Imperial Oil Ltd (IMO) stock
IMONYSEPetroleum RefiningFiscal year ends December 31
$138.10+7.23 (+5.52%)
Close on Oct 30, 2026Market cap $66.78BP/E 22.7Yield 1.49%
Price history
Imperial Oil share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$138.10
+5.52% on the day
52-week range
$83.27 – $139.44
-1.0% from the high
Change over 52 weeks
+51.3%
From $91.25 on Oct 30, 2025
Average volume
556,722
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $122.02 | $138.52 | $119.10 | $138.10 | +12.23% | 12,511,545 |
| Sep 2026 | $132.66 | $136.21 | $120.28 | $123.05 | -6.31% | 13,872,798 |
| Aug 2026 | $125.78 | $138.43 | $122.36 | $131.34 | +1.37% | 9,866,622 |
| Jul 2026 | $111.30 | $129.96 | $110.36 | $129.57 | +15.67% | 11,581,244 |
| Jun 2026 | $120.38 | $127.68 | $109.61 | $112.02 | -5.64% | 12,417,715 |
| May 2026 | $127.32 | $139.44 | $117.80 | $118.72 | -11.42% | 12,023,162 |
| Apr 2026 | $128.45 | $134.31 | $118.59 | $134.02 | +2.45% | 11,569,826 |
| Mar 2026 | $122.93 | $133.11 | $116.30 | $130.82 | +11.53% | 21,418,800 |
| Feb 2026 | $98.36 | $123.52 | $98.36 | $117.30 | +15.85% | 12,724,000 |
| Jan 2026 | $86.61 | $106.64 | $83.31 | $101.25 | +17.31% | 15,920,506 |
| Dec 2025 | $100.69 | $100.71 | $83.27 | $86.31 | -12.64% | 11,501,273 |
| Nov 2025 | $88.71 | $101.01 | $87.23 | $98.80 | +12.01% | 8,995,199 |
| Oct 2025 | $90.38 | $94.24 | $84.37 | $88.21 | -2.79% | 10,984,930 |
| Sep 2025 | $90.16 | $96.09 | $86.65 | $90.74 | -0.04% | 8,552,268 |
| Aug 2025 | $82.81 | $91.17 | $81.87 | $90.78 | +8.76% | 7,362,959 |
| Jul 2025 | $79.35 | $86.26 | $78.37 | $83.47 | +5.02% | 7,979,288 |
| Jun 2025 | $72.60 | $82.85 | $70.99 | $79.48 | +11.39% | 9,165,902 |
| May 2025 | $66.81 | $73.90 | $66.62 | $71.35 | +5.89% | 7,438,507 |
| Apr 2025 | $72.22 | $73.62 | $58.76 | $67.38 | -6.83% | 11,999,820 |
| Mar 2025 | $68.00 | $74.04 | $62.69 | $72.32 | +6.60% | 9,533,298 |
| Feb 2025 | $65.58 | $73.33 | $65.35 | $67.84 | +1.80% | 8,952,047 |
| Jan 2025 | $62.53 | $72.24 | $61.34 | $66.64 | +8.18% | 11,848,233 |
| Dec 2024 | $73.91 | $74.49 | $60.95 | $61.60 | -16.67% | 13,275,869 |
| Nov 2024 | $75.91 | $77.62 | $69.88 | $73.92 | -0.75% | 6,928,249 |
| Oct 2024 | $70.21 | $80.17 | $69.88 | $74.48 | +5.72% | 10,694,222 |
| Sep 2024 | $73.44 | $73.82 | $65.16 | $70.45 | -6.35% | 8,874,056 |
| Aug 2024 | $72.08 | $77.70 | $64.76 | $75.23 | +5.13% | 8,244,433 |
| Jul 2024 | $68.49 | $72.30 | $67.18 | $71.56 | +4.85% | 7,182,190 |
| Jun 2024 | $70.40 | $70.58 | $63.29 | $68.25 | -3.19% | 7,479,000 |
| May 2024 | $68.80 | $71.06 | $66.80 | $70.50 | +2.25% | 7,093,860 |
| Apr 2024 | $69.21 | $74.58 | $67.64 | $68.95 | -0.26% | 8,581,732 |
| Mar 2024 | $62.70 | $69.50 | $62.26 | $69.13 | +10.61% | 6,737,366 |
| Feb 2024 | $58.55 | $63.33 | $55.82 | $62.50 | +8.34% | 8,615,140 |
| Jan 2024 | $57.41 | $61.44 | $54.58 | $57.69 | +0.87% | 10,632,334 |
| Dec 2023 | $56.26 | $58.30 | $52.98 | $57.19 | +1.51% | 11,527,790 |
| Nov 2023 | $57.41 | $59.09 | $53.52 | $56.34 | -1.14% | 11,719,034 |
| Oct 2023 | $61.68 | $62.17 | $56.19 | $56.99 | -7.47% | 12,689,197 |
| Sep 2023 | $57.56 | $63.07 | $57.25 | $61.59 | +8.13% | 7,379,182 |
| Aug 2023 | $53.67 | $57.29 | $51.53 | $56.96 | +5.64% | 9,979,545 |
| Jul 2023 | $51.33 | $54.90 | $48.26 | $53.92 | +5.39% | 13,105,019 |
| Jun 2023 | $44.98 | $51.58 | $44.98 | $51.16 | +12.61% | 8,888,077 |
| May 2023 | $50.94 | $51.46 | $44.46 | $45.43 | -10.80% | 12,572,890 |
| Apr 2023 | $52.64 | $56.16 | $49.14 | $50.93 | +0.24% | 7,234,717 |
| Mar 2023 | $49.45 | $52.45 | $44.22 | $50.81 | +2.94% | 11,199,970 |
| Feb 2023 | $54.32 | $54.73 | $48.41 | $49.36 | -9.86% | 7,258,792 |
| Jan 2023 | $48.55 | $55.03 | $45.39 | $54.76 | +12.35% | 8,934,916 |
| Dec 2022 | $57.19 | $57.48 | $45.64 | $48.74 | -14.57% | 13,274,752 |
| Nov 2022 | $56.59 | $58.99 | $53.89 | $57.05 | +4.72% | 7,981,766 |
| Oct 2022 | $45.26 | $55.20 | $44.20 | $54.48 | +25.91% | 11,379,259 |
| Sep 2022 | $48.42 | $49.96 | $40.20 | $43.27 | -11.77% | 9,561,249 |
| Aug 2022 | $46.90 | $52.55 | $41.37 | $49.04 | +2.21% | 15,039,678 |
| Jul 2022 | $47.58 | $48.83 | $39.95 | $47.98 | +1.67% | 14,980,131 |
| Jun 2022 | $55.35 | $57.89 | $44.60 | $47.19 | -14.90% | 16,039,206 |
| May 2022 | $50.19 | $57.63 | $45.96 | $55.45 | +10.59% | 13,484,899 |
| Apr 2022 | $48.13 | $52.54 | $45.18 | $50.14 | +3.77% | 11,981,619 |
| Mar 2022 | $45.38 | $48.84 | $40.80 | $48.32 | +7.76% | 13,937,933 |
| Feb 2022 | $42.00 | $45.33 | $40.50 | $44.84 | +9.58% | 9,006,546 |
| Jan 2022 | $36.19 | $42.48 | $36.19 | $40.92 | +13.35% | 10,190,750 |
| Dec 2021 | $33.78 | $36.70 | $31.71 | $36.10 | +9.10% | 6,508,887 |
| Nov 2021 | $34.49 | $36.21 | $32.28 | $33.09 | -2.33% | 9,037,174 |
| Oct 2021 | $31.85 | $36.80 | $31.66 | $33.88 | +7.35% | 10,951,149 |
| Sep 2021 | $26.39 | $31.83 | $26.05 | $31.56 | +19.59% | 8,315,527 |
| Aug 2021 | $27.51 | $28.44 | $23.94 | $26.39 | -3.62% | 7,762,678 |
| Jul 2021 | $31.06 | $31.65 | $25.75 | $27.38 | -9.93% | 12,059,152 |
| Jun 2021 | $33.54 | $35.20 | $30.04 | $30.40 | -7.88% | 13,943,462 |
| May 2021 | $29.47 | $33.54 | $29.11 | $33.00 | +13.99% | 17,429,103 |
| Apr 2021 | $24.20 | $29.07 | $23.89 | $28.95 | +19.73% | 12,841,417 |
| Mar 2021 | $22.21 | $26.21 | $22.00 | $24.18 | +10.11% | 17,419,815 |
| Feb 2021 | $19.20 | $23.44 | $18.86 | $21.96 | +15.46% | 10,482,045 |
| Jan 2021 | $19.09 | $22.36 | $18.73 | $19.02 | -0.05% | 8,603,270 |
| Dec 2020 | $17.79 | $20.45 | $17.51 | $19.03 | +9.68% | 8,816,505 |
| Nov 2020 | $13.14 | $19.42 | $13.14 | $17.35 | +30.16% | 13,600,134 |
| Oct 2020 | $11.92 | $13.50 | $11.16 | $13.33 | +11.45% | 12,543,539 |
| Sep 2020 | $16.37 | $16.96 | $11.81 | $11.96 | -27.21% | 10,511,173 |
| Aug 2020 | $15.63 | $17.70 | $15.46 | $16.43 | +5.12% | 9,534,611 |
| Jul 2020 | $16.18 | $17.57 | $14.73 | $15.63 | -2.62% | 10,410,585 |
| Jun 2020 | $15.62 | $19.71 | $15.20 | $16.05 | +2.75% | 19,263,703 |
| May 2020 | $15.58 | $16.90 | $13.24 | $15.62 | -3.52% | 17,974,803 |
| Apr 2020 | $10.86 | $16.59 | $10.31 | $16.19 | +43.66% | 25,248,675 |
| Mar 2020 | $22.15 | $22.80 | $7.04 | $11.27 | -48.61% | 32,737,580 |
| Feb 2020 | $23.72 | $24.46 | $20.56 | $21.93 | -7.39% | 8,886,453 |
| Jan 2020 | $26.50 | $27.43 | $23.50 | $23.68 | -10.54% | 6,564,593 |
| Dec 2019 | $24.80 | $26.64 | $24.11 | $26.47 | +5.16% | 5,432,356 |
| Nov 2019 | $24.68 | $26.95 | $24.54 | $25.17 | +1.21% | 5,479,648 |
| Oct 2019 | $26.04 | $26.29 | $23.66 | $24.87 | -4.46% | 4,692,372 |
| Sep 2019 | $24.12 | $27.90 | $24.05 | $26.03 | +6.11% | 4,709,500 |
| Aug 2019 | $27.05 | $27.51 | $23.71 | $24.53 | -10.44% | 5,790,088 |
| Jul 2019 | $27.96 | $28.75 | $27.00 | $27.39 | -1.01% | 5,713,632 |
| Jun 2019 | $26.87 | $28.60 | $26.46 | $27.67 | +3.52% | 4,565,371 |
| May 2019 | $28.96 | $29.23 | $26.58 | $26.73 | -8.08% | 5,877,687 |
| Apr 2019 | $27.46 | $30.38 | $26.84 | $29.08 | +6.25% | 8,483,320 |
| Mar 2019 | $26.99 | $29.00 | $26.61 | $27.37 | +1.07% | 6,664,227 |
| Feb 2019 | $28.28 | $28.84 | $26.39 | $27.08 | -4.95% | 6,298,424 |
| Jan 2019 | $24.91 | $28.74 | $24.91 | $28.49 | +12.52% | 9,004,695 |
| Dec 2018 | $30.01 | $30.80 | $24.29 | $25.32 | -15.15% | 7,957,025 |
| Nov 2018 | $31.66 | $33.53 | $29.36 | $29.84 | -4.48% | 7,784,002 |
| Oct 2018 | $32.57 | $34.56 | $30.88 | $31.24 | -3.49% | 7,673,390 |
| Sep 2018 | $31.36 | $33.18 | $28.96 | $32.37 | +3.72% | 4,799,965 |
| Aug 2018 | $33.76 | $34.29 | $30.75 | $31.21 | -8.64% | 4,651,861 |
| Jul 2018 | $33.08 | $34.25 | $32.07 | $34.16 | +2.74% | 5,984,836 |
| Jun 2018 | $32.63 | $33.49 | $31.71 | $33.25 | +1.78% | 7,127,173 |
| May 2018 | $31.32 | $33.55 | $30.26 | $32.67 | +4.95% | 5,515,887 |
| Apr 2018 | $26.43 | $31.50 | $25.91 | $31.13 | +17.47% | 8,713,003 |
| Mar 2018 | $27.00 | $27.67 | $25.91 | $26.50 | -2.11% | 8,755,559 |
| Feb 2018 | $31.24 | $31.68 | $26.92 | $27.07 | -13.90% | 10,959,344 |
| Jan 2018 | $31.25 | $32.81 | $30.78 | $31.44 | +0.80% | 7,423,838 |
| Dec 2017 | $31.17 | $31.86 | $29.41 | $31.19 | +0.84% | 4,695,810 |
| Nov 2017 | $32.43 | $32.75 | $30.35 | $30.93 | -4.48% | 4,491,212 |
| Oct 2017 | $31.58 | $32.55 | $30.00 | $32.38 | +1.38% | 4,294,579 |
| Sep 2017 | $29.66 | $32.15 | $29.66 | $31.94 | +8.09% | 4,396,676 |
| Aug 2017 | $28.62 | $29.63 | $28.04 | $29.55 | +3.18% | 5,316,459 |
| Jul 2017 | $29.35 | $30.16 | $27.81 | $28.64 | -1.85% | 4,341,108 |
| Jun 2017 | $28.37 | $30.02 | $27.59 | $29.18 | +3.22% | 6,753,053 |
| May 2017 | $29.42 | $29.52 | $28.11 | $28.27 | -2.75% | 5,784,031 |
| Apr 2017 | $30.38 | $31.14 | $29.02 | $29.07 | -4.69% | 5,585,187 |
| Mar 2017 | $31.39 | $31.44 | $30.04 | $30.50 | -2.49% | 6,760,095 |
| Feb 2017 | $33.06 | $33.34 | $31.24 | $31.28 | -4.87% | 4,168,768 |
| Jan 2017 | $35.15 | $35.43 | $32.53 | $32.88 | -5.41% | 3,742,999 |
| Dec 2016 | $34.91 | $36.85 | $33.56 | $34.76 | +1.28% | 3,058,210 |
| Nov 2016 | $32.79 | $34.68 | $31.35 | $34.32 | +5.67% | 3,046,331 |
| Oct 2016 | $31.35 | $33.79 | $31.07 | $32.48 | +3.70% | 3,098,865 |
| Sep 2016 | $30.29 | $32.16 | $29.34 | $31.32 | +2.82% | 5,046,400 |
| Aug 2016 | $30.20 | $32.04 | $29.26 | $30.46 | -0.75% | 2,977,000 |
| Jul 2016 | $31.72 | $32.42 | $30.30 | $30.69 | -2.76% | 2,428,900 |
| Jun 2016 | $31.72 | $34.11 | $29.54 | $31.56 | -0.85% | 3,862,200 |
| May 2016 | $33.15 | $33.17 | $30.63 | $31.83 | -3.49% | 5,339,600 |
| Apr 2016 | $32.80 | $34.06 | $30.51 | $32.98 | -1.26% | 8,088,400 |
| Mar 2016 | $32.11 | $35.48 | $31.19 | $33.40 | +4.83% | 8,770,500 |
| Feb 2016 | $30.09 | $32.34 | $28.27 | $31.86 | +4.08% | 7,667,100 |
| Jan 2016 | $32.31 | $32.67 | $25.55 | $30.61 | -5.87% | 8,751,200 |
| Dec 2015 | $32.43 | $33.32 | $28.66 | $32.52 | +0.28% | 5,998,900 |
| Nov 2015 | $33.26 | $34.41 | $30.80 | $32.43 | -2.47% | 7,733,400 |
| Oct 2015 | $32.39 | $35.40 | $30.92 | $33.25 | +5.19% | 8,952,500 |
| Sep 2015 | $34.32 | $34.60 | $30.35 | $31.61 | -10.33% | 8,392,900 |
| Aug 2015 | $36.71 | $38.02 | $31.59 | $35.25 | -4.78% | 11,600,300 |
| Jul 2015 | $38.64 | $38.88 | $34.38 | $37.02 | -4.14% | 6,882,800 |
| Jun 2015 | $39.31 | $40.50 | $37.94 | $38.62 | -1.50% | 6,585,500 |
| May 2015 | $44.02 | $44.07 | $38.53 | $39.21 | -11.15% | 5,629,200 |
| Apr 2015 | $39.86 | $45.60 | $39.86 | $44.13 | +10.66% | 5,486,600 |
| Mar 2015 | $38.56 | $41.57 | $35.69 | $39.88 | +3.21% | 6,392,600 |
| Feb 2015 | $38.59 | $41.87 | $37.85 | $38.64 | +4.12% | 6,626,400 |
| Jan 2015 | $42.79 | $43.35 | $35.85 | $37.11 | -13.76% | 7,065,000 |
| Dec 2014 | $43.18 | $47.14 | $39.14 | $43.03 | -1.26% | 9,204,200 |
| Nov 2014 | $48.36 | $49.55 | $43.50 | $43.58 | -8.98% | 4,122,200 |
| Oct 2014 | $47.10 | $47.88 | $42.75 | $47.88 | +1.40% | 5,650,500 |
| Sep 2014 | $52.94 | $53.11 | $46.85 | $47.22 | -11.32% | 3,535,100 |
| Aug 2014 | $51.02 | $53.30 | $48.59 | $53.25 | +3.72% | 3,720,200 |
| Jul 2014 | $53.01 | $54.09 | $50.73 | $51.34 | -2.45% | 4,047,200 |
| Jun 2014 | $49.00 | $53.10 | $48.78 | $52.63 | +6.91% | 3,200,800 |
| May 2014 | $48.46 | $50.08 | $47.86 | $49.23 | +0.88% | 3,668,700 |
| Apr 2014 | $46.55 | $49.39 | $46.01 | $48.80 | +4.83% | 4,981,700 |
| Mar 2014 | $44.74 | $47.08 | $44.70 | $46.55 | +3.51% | 5,975,700 |
| Feb 2014 | $41.54 | $45.23 | $40.65 | $44.97 | +10.14% | 4,767,900 |
| Jan 2014 | $44.35 | $44.49 | $40.20 | $40.83 | -7.69% | 5,148,300 |
| Dec 2013 | $42.34 | $44.54 | $41.97 | $44.23 | +2.74% | 3,512,100 |
| Nov 2013 | $43.22 | $44.87 | $41.79 | $43.05 | -1.37% | 3,425,400 |
| Oct 2013 | $43.66 | $45.67 | $41.55 | $43.65 | -0.71% | 3,114,600 |
| Sep 2013 | $42.17 | $44.65 | $42.17 | $43.96 | +5.19% | 3,212,100 |
| Aug 2013 | $44.12 | $44.12 | $40.19 | $41.79 | -2.68% | 4,213,000 |
| Jul 2013 | $38.38 | $43.32 | $38.22 | $42.94 | +12.38% | 4,705,300 |
| Jun 2013 | $38.96 | $39.94 | $37.09 | $38.21 | -1.87% | 4,966,900 |
| May 2013 | $39.54 | $40.32 | $38.39 | $38.94 | -2.33% | 5,620,900 |
| Apr 2013 | $40.99 | $41.15 | $37.56 | $39.87 | -2.42% | 6,809,200 |
| Mar 2013 | $41.40 | $42.81 | $40.68 | $40.86 | -1.64% | 5,477,700 |
| Feb 2013 | $43.42 | $44.39 | $40.83 | $41.54 | -5.48% | 5,304,200 |
| Jan 2013 | $43.81 | $45.16 | $42.60 | $43.95 | +2.21% | 4,821,200 |
| Dec 2012 | $42.78 | $44.24 | $42.06 | $43.00 | +0.75% | 4,149,200 |
| Nov 2012 | $44.30 | $46.50 | $42.23 | $42.68 | -2.78% | 4,732,200 |
| Oct 2012 | $46.13 | $47.02 | $43.10 | $43.90 | -4.63% | 3,567,800 |
| Sep 2012 | $45.52 | $50.00 | $45.37 | $46.03 | +0.77% | 4,202,600 |
| Aug 2012 | $43.23 | $47.69 | $42.26 | $45.68 | +6.55% | 4,265,400 |
| Jul 2012 | $42.15 | $44.12 | $40.50 | $42.87 | +2.76% | 5,067,500 |
| Jun 2012 | $39.65 | $43.48 | $38.16 | $41.72 | +3.91% | 8,162,400 |
| May 2012 | $46.67 | $47.37 | $39.27 | $40.15 | -13.82% | 7,278,400 |
| Apr 2012 | $45.02 | $46.97 | $41.98 | $46.59 | +2.64% | 6,006,900 |
| Mar 2012 | $47.98 | $48.30 | $43.72 | $45.39 | -4.94% | 6,629,000 |
| Feb 2012 | $48.60 | $49.32 | $46.48 | $47.75 | +0.23% | 5,796,000 |
| Jan 2012 | $45.50 | $47.95 | $43.74 | $47.64 | +7.10% | 6,050,400 |
| Dec 2011 | $42.63 | $44.73 | $40.74 | $44.48 | +4.07% | 6,566,000 |
| Nov 2011 | $39.19 | $42.91 | $37.10 | $42.74 | +3.69% | 5,584,700 |
| Oct 2011 | $35.47 | $43.47 | $32.18 | $41.22 | +14.15% | 10,012,100 |
| Sep 2011 | $41.33 | $41.62 | $34.51 | $36.11 | -11.88% | 8,576,100 |
| Aug 2011 | $43.30 | $44.83 | $38.11 | $40.98 | -6.93% | 13,909,600 |
| Jul 2011 | $46.45 | $48.09 | $43.44 | $44.03 | -5.49% | 5,663,500 |
| Jun 2011 | $49.51 | $49.80 | $43.49 | $46.59 | -6.03% | 11,292,000 |
| May 2011 | $52.91 | $53.48 | $45.68 | $49.58 | -6.21% | 9,834,200 |
| Apr 2011 | $51.75 | $55.00 | $49.74 | $52.86 | +3.50% | 7,071,600 |
| Mar 2011 | $51.96 | $55.63 | $48.17 | $51.07 | -1.68% | 11,849,700 |
| Feb 2011 | $45.00 | $52.32 | $44.17 | $51.94 | +16.43% | 9,294,500 |
| Jan 2011 | $41.02 | $44.75 | $39.32 | $44.61 | +10.09% | 7,065,800 |
| Dec 2010 | $36.93 | $41.08 | $36.71 | $40.52 | +11.56% | 5,850,000 |
| Nov 2010 | $38.95 | $39.20 | $35.98 | $36.32 | -6.34% | 4,264,500 |
| Oct 2010 | $38.10 | $39.85 | $37.42 | $38.78 | +2.54% | 3,520,800 |
| Sep 2010 | $37.37 | $38.66 | $36.49 | $37.82 | +2.55% | 2,987,500 |
| Aug 2010 | $40.21 | $40.39 | $35.65 | $36.88 | -5.34% | 2,870,000 |
| Jul 2010 | $36.31 | $40.41 | $36.00 | $38.96 | +6.97% | 3,846,300 |
| Jun 2010 | $38.31 | $40.97 | $36.42 | $36.42 | -4.63% | 4,874,900 |
| May 2010 | $42.13 | $42.44 | $35.66 | $38.19 | -9.07% | 5,468,600 |
| Apr 2010 | $39.05 | $43.54 | $39.01 | $42.00 | +8.05% | 3,873,600 |
| Mar 2010 | $37.24 | $39.48 | $37.16 | $38.87 | +5.45% | 2,768,900 |
| Feb 2010 | $36.14 | $38.81 | $35.18 | $36.86 | +2.11% | 3,459,600 |
| Jan 2010 | $38.86 | $40.29 | $35.88 | $36.10 | -6.62% | 3,764,500 |
| Dec 2009 | $39.31 | $39.31 | $36.24 | $38.66 | +0.36% | 3,097,400 |
| Nov 2009 | $37.28 | $39.66 | $36.16 | $38.52 | +2.31% | 4,418,300 |
| Oct 2009 | $37.68 | $43.13 | $36.55 | $37.65 | -1.00% | 8,226,300 |
| Sep 2009 | $35.33 | $40.18 | $35.05 | $38.03 | +6.05% | 4,532,100 |
| Aug 2009 | $40.84 | $40.93 | $34.62 | $35.86 | -10.35% | 5,029,700 |
| Jul 2009 | $39.00 | $40.67 | $34.61 | $40.00 | +4.00% | 8,095,900 |
| Jun 2009 | $41.94 | $42.98 | $37.04 | $38.46 | -5.39% | 8,644,800 |
| May 2009 | $35.82 | $41.10 | $34.29 | $40.65 | +14.12% | 9,907,700 |
| Apr 2009 | $34.87 | $39.74 | $33.61 | $35.62 | -1.19% | 9,672,800 |
| Mar 2009 | $30.10 | $38.00 | $28.77 | $36.05 | +15.58% | 14,159,500 |
| Feb 2009 | $31.05 | $33.49 | $28.44 | $31.19 | -1.61% | 13,412,600 |
| Jan 2009 | $33.85 | $36.74 | $29.02 | $31.70 | -5.99% | 14,819,900 |
| Dec 2008 | $32.62 | $35.75 | $27.14 | $33.72 | -0.03% | 11,549,200 |
| Nov 2008 | $35.57 | $36.81 | $24.01 | $33.73 | -4.83% | 18,257,500 |
| Oct 2008 | $40.89 | $43.66 | $23.84 | $35.44 | -16.81% | 34,764,800 |
| Sep 2008 | $50.01 | $50.01 | $40.00 | $42.60 | -16.91% | 21,318,300 |
| Aug 2008 | $48.55 | $52.98 | $43.17 | $51.27 | +4.78% | 11,216,000 |
| Jul 2008 | $55.00 | $56.89 | $46.77 | $48.93 | -11.15% | 11,694,200 |
| Jun 2008 | $57.77 | $61.18 | $53.23 | $55.07 | -5.13% | 7,869,100 |
| May 2008 | $57.96 | $63.08 | $54.56 | $58.05 | -0.84% | 7,988,600 |
| Apr 2008 | $52.44 | $61.33 | $51.24 | $58.54 | +12.02% | 8,822,700 |
| Mar 2008 | $56.08 | $58.91 | $48.67 | $52.26 | -7.65% | 9,631,900 |
| Feb 2008 | $49.66 | $58.15 | $48.91 | $56.59 | +14.97% | 8,255,900 |
| Jan 2008 | $55.49 | $55.93 | $44.30 | $49.22 | -10.15% | 8,221,300 |
| Dec 2007 | $49.38 | $56.80 | $47.85 | $54.78 | +11.73% | 5,312,400 |
| Nov 2007 | $53.75 | $61.48 | $48.15 | $49.03 | -9.42% | 8,400,200 |
| Oct 2007 | $49.80 | $54.56 | $46.43 | $54.13 | +9.22% | 4,931,100 |
| Sep 2007 | $43.78 | $50.95 | $43.01 | $49.56 | +13.07% | 3,085,000 |
| Aug 2007 | $46.70 | $47.51 | $37.99 | $43.83 | -6.49% | 5,423,700 |
| Jul 2007 | $46.43 | $49.76 | $45.50 | $46.87 | +0.93% | 3,043,100 |
| Jun 2007 | $46.70 | $48.37 | $43.84 | $46.44 | -0.26% | 3,628,000 |
| May 2007 | $38.02 | $50.35 | $37.75 | $46.56 | +22.43% | 5,550,200 |
| Apr 2007 | $36.90 | $39.69 | $36.90 | $38.03 | +2.45% | 2,739,200 |
| Mar 2007 | $35.45 | $37.75 | $33.30 | $37.12 | +3.98% | 3,001,700 |
| Feb 2007 | $35.23 | $37.16 | $34.76 | $35.70 | +1.62% | 2,481,700 |
| Jan 2007 | $36.79 | $36.87 | $31.87 | $35.13 | -4.62% | 4,583,000 |
| Dec 2006 | $37.12 | $38.93 | $35.25 | $36.83 | -2.02% | 2,764,600 |
| Nov 2006 | $32.30 | $37.98 | $32.25 | $37.59 | +9.75% | 3,863,800 |
| Oct 2006 | $33.56 | $37.44 | $29.99 | $34.25 | +2.09% | 4,927,700 |
| Sep 2006 | $37.77 | $38.59 | $31.64 | $33.55 | -11.17% | 4,057,400 |
| Aug 2006 | $36.19 | $40.38 | $36.05 | $37.77 | +4.19% | 3,943,300 |
| Jul 2006 | $36.65 | $37.73 | $35.37 | $36.25 | -0.71% | 4,194,300 |
| Jun 2006 | $35.51 | $38.34 | $32.50 | $36.51 | +0.72% | 5,144,200 |
| May 2006 | $12.17 | $38.49 | $10.77 | $36.25 | +200.58% | 22,130,098 |
| Apr 2006 | $11.94 | $12.69 | $11.72 | $12.06 | +1.09% | 14,720,181 |
| Mar 2006 | $10.69 | $12.13 | $10.16 | $11.93 | +11.60% | 17,633,754 |
| Feb 2006 | $11.65 | $11.98 | $10.58 | $10.69 | -8.16% | 17,503,086 |
| Jan 2006 | $10.93 | $11.98 | $10.93 | $11.64 | -64.94% | 17,295,807 |
| Dec 2005 | $30.98 | $34.59 | $30.86 | $33.20 | +8.49% | 4,185,300 |
| Nov 2005 | $29.01 | $33.08 | $28.16 | $30.60 | +4.53% | 5,405,400 |
| Oct 2005 | $38.58 | $38.93 | $27.47 | $29.28 | -23.67% | 11,312,400 |
| Sep 2005 | $34.00 | $39.14 | $33.42 | $38.35 | +13.39% | 6,473,400 |
| Aug 2005 | $28.66 | $34.33 | $28.60 | $33.82 | +19.03% | 5,706,300 |
| Jul 2005 | $27.77 | $30.38 | $27.46 | $28.42 | +2.33% | 4,113,900 |
| Jun 2005 | $23.58 | $28.38 | $23.43 | $27.77 | +17.45% | 4,082,100 |
| May 2005 | $23.17 | $24.01 | $21.57 | $23.64 | +0.41% | 3,836,700 |
| Apr 2005 | $25.55 | $26.63 | $22.67 | $23.55 | -7.22% | 5,319,300 |
| Mar 2005 | $24.11 | $25.73 | $23.57 | $25.38 | +4.83% | 4,607,100 |
| Feb 2005 | $20.70 | $25.33 | $20.69 | $24.21 | +17.64% | 3,667,800 |
| Jan 2005 | $19.33 | $20.58 | $18.27 | $20.58 | +3.97% | 3,297,000 |
| Dec 2004 | $20.30 | $20.47 | $18.56 | $19.79 | -2.85% | 3,546,000 |
| Nov 2004 | $19.36 | $20.82 | $18.89 | $20.37 | +5.23% | 2,469,300 |
| Oct 2004 | $17.23 | $19.92 | $17.14 | $19.36 | +12.32% | 4,480,500 |
| Sep 2004 | $15.65 | $17.41 | $15.64 | $17.24 | +10.16% | 2,723,700 |
| Aug 2004 | $16.53 | $16.72 | $15.17 | $15.65 | -5.15% | 3,502,500 |
| Jul 2004 | $15.63 | $16.60 | $15.50 | $16.50 | +5.70% | 2,588,700 |
| Jun 2004 | $14.77 | $15.65 | $14.55 | $15.61 | +6.58% | 4,459,800 |
| May 2004 | $14.61 | $15.54 | $14.42 | $14.64 | +0.09% | 3,183,300 |
| Apr 2004 | $14.90 | $15.71 | $14.39 | $14.63 | -2.12% | 4,247,400 |
| Mar 2004 | $15.39 | $16.00 | $14.11 | $14.95 | -2.20% | 5,807,700 |
| Feb 2004 | $14.59 | $15.65 | $14.47 | $15.28 | +4.49% | 4,835,400 |
| Jan 2004 | $14.89 | $16.23 | $14.43 | $14.63 | -1.22% | 5,470,500 |
| Dec 2003 | $13.32 | $14.92 | $13.23 | $14.81 | +11.08% | 5,049,900 |
| Nov 2003 | $13.33 | $13.47 | $12.95 | $13.33 | +0.55% | 4,413,900 |
| Oct 2003 | $12.41 | $13.60 | $12.41 | $13.26 | +6.88% | 8,486,700 |
| Sep 2003 | $12.08 | $12.93 | $12.01 | $12.40 | +3.27% | 3,990,000 |
| Aug 2003 | $11.35 | $12.15 | $11.17 | $12.01 | +6.19% | 2,068,200 |
| Jul 2003 | $11.67 | $11.67 | $11.01 | $11.31 | -2.84% | 2,673,000 |
| Jun 2003 | $11.21 | $11.66 | $11.14 | $11.64 | +3.71% | 2,299,200 |
| May 2003 | $10.17 | $11.25 | $10.15 | $11.22 | +11.27% | 2,659,800 |
| Apr 2003 | $10.73 | $10.73 | $9.98 | $10.09 | -5.91% | 4,410,300 |
| Mar 2003 | $10.63 | $10.73 | $10.31 | $10.72 | +1.20% | 3,742,800 |
| Feb 2003 | $9.88 | $10.67 | $9.87 | $10.59 | +7.51% | 4,625,700 |
| Jan 2003 | $9.53 | $9.92 | $9.42 | $9.85 | +3.00% | 2,624,100 |
| Dec 2002 | $9.36 | $9.77 | $9.31 | $9.57 | +2.03% | 2,662,800 |
| Nov 2002 | $9.00 | $9.41 | $8.92 | $9.38 | +3.99% | 1,593,300 |
| Oct 2002 | $9.60 | $9.72 | $8.87 | $9.02 | -6.72% | 2,796,600 |
| Sep 2002 | $9.43 | $9.77 | $9.16 | $9.67 | +2.73% | 2,455,500 |
| Aug 2002 | $9.02 | $9.51 | $8.72 | $9.41 | +3.37% | 3,175,500 |
| Jul 2002 | $10.36 | $10.36 | $8.00 | $9.10 | -12.44% | 4,259,400 |
| Jun 2002 | $10.00 | $10.40 | $9.48 | $10.40 | +3.48% | 2,581,200 |
| May 2002 | $9.86 | $10.62 | $9.80 | $10.05 | +1.86% | 3,641,700 |
| Apr 2002 | $9.99 | $10.20 | $9.38 | $9.86 | -0.84% | 3,743,100 |
| Mar 2002 | $9.40 | $10.11 | $9.35 | $9.95 | +5.78% | 3,714,600 |
| Feb 2002 | $8.91 | $9.50 | $8.63 | $9.40 | +5.22% | 3,593,700 |
| Jan 2002 | $9.33 | $9.33 | $8.61 | $8.94 | -3.84% | 4,263,900 |
| Dec 2001 | $8.93 | $9.43 | $8.77 | $9.29 | +5.01% | 5,892,600 |
| Nov 2001 | $9.20 | $9.53 | $8.36 | $8.85 | -3.49% | 5,209,200 |
| Oct 2001 | $9.02 | $9.82 | $8.81 | $9.17 | +1.10% | 5,039,400 |
| Sep 2001 | $8.96 | $9.75 | $8.63 | $9.07 | +0.81% | 5,151,600 |
| Aug 2001 | $9.35 | $9.43 | $8.75 | $9.00 | -3.64% | 2,809,800 |
| Jul 2001 | $8.57 | $9.47 | $8.24 | $9.34 | +8.78% | 7,633,500 |
| Jun 2001 | $8.94 | $9.20 | $8.51 | $8.58 | -4.63% | 8,166,000 |
| May 2001 | $9.13 | $9.37 | $8.53 | $9.00 | -1.82% | 3,457,200 |
| Apr 2001 | $8.21 | $9.40 | $7.88 | $9.17 | +12.61% | 3,997,500 |
| Mar 2001 | $8.17 | $8.63 | $7.79 | $8.14 | -0.53% | 2,494,500 |
| Feb 2001 | $7.92 | $8.33 | $7.82 | $8.18 | +4.20% | 3,204,000 |
| Jan 2001 | $8.80 | $8.80 | $7.53 | $7.85 | -10.42% | 4,969,800 |
| Dec 2000 | $8.45 | $9.13 | $8.33 | $8.77 | +4.12% | 2,510,400 |
| Nov 2000 | $8.41 | $8.78 | $8.00 | $8.42 | +0.08% | 2,119,800 |
| Oct 2000 | $8.65 | $8.82 | $8.07 | $8.41 | -3.18% | 3,091,500 |
| Sep 2000 | $8.46 | $9.27 | $8.25 | $8.69 | +5.07% | 4,578,600 |
| Aug 2000 | $8.17 | $8.50 | $7.77 | $8.27 | +1.02% | 4,774,200 |
| Jul 2000 | $8.13 | $8.63 | $7.67 | $8.19 | +0.77% | 5,144,700 |
| Jun 2000 | $8.25 | $8.79 | $7.94 | $8.13 | -1.27% | 4,934,400 |
| May 2000 | $7.83 | $8.75 | $7.46 | $8.23 | +5.05% | 5,555,700 |
| Apr 2000 | $7.02 | $7.94 | $6.94 | $7.83 | +12.24% | 4,449,600 |
| Mar 2000 | $6.27 | $7.10 | $5.98 | $6.98 | +11.30% | 6,670,800 |
| Feb 2000 | $6.65 | $7.08 | $6.23 | $6.27 | -5.94% | 4,732,200 |
| Jan 2000 | $7.04 | $7.83 | $6.60 | $6.67 | -7.51% | 4,640,700 |
| Dec 1999 | $7.90 | $8.10 | $6.96 | $7.21 | -7.73% | 3,869,700 |
| Nov 1999 | $7.71 | $8.15 | $7.71 | $7.81 | +0.27% | 4,246,200 |
| Oct 1999 | $6.92 | $7.96 | $6.75 | $7.79 | +12.31% | 5,007,600 |
| Sep 1999 | $7.10 | $7.33 | $6.60 | $6.94 | -1.77% | 4,799,400 |
| Aug 1999 | $6.54 | $7.17 | $6.50 | $7.06 | +6.60% | 3,403,200 |
| Jul 1999 | $6.35 | $6.81 | $6.23 | $6.63 | +4.95% | 3,592,800 |
| Jun 1999 | $6.17 | $6.44 | $5.94 | $6.31 | +1.34% | 4,225,200 |
| May 1999 | $6.90 | $7.15 | $6.21 | $6.23 | -10.48% | 2,959,500 |
| Apr 1999 | $6.42 | $7.13 | $6.23 | $6.96 | +9.15% | 4,718,700 |
| Mar 1999 | $5.13 | $6.54 | $5.13 | $6.38 | +23.89% | 5,721,000 |
| Feb 1999 | $5.17 | $5.33 | $4.83 | $5.15 | +2.49% | 2,718,900 |
| Jan 1999 | $5.33 | $5.92 | $5.00 | $5.02 | -6.23% | 3,646,200 |
| Dec 1998 | $5.94 | $6.08 | $5.17 | $5.35 | -11.38% | 4,048,500 |
| Nov 1998 | $5.27 | $6.29 | $5.27 | $6.04 | +15.08% | 5,573,400 |
| Oct 1998 | $5.04 | $5.33 | $4.88 | $5.25 | +3.28% | 10,289,700 |
| Sep 1998 | $4.73 | $5.29 | $4.46 | $5.08 | +7.96% | 9,086,100 |
| Aug 1998 | $5.58 | $5.63 | $4.67 | $4.71 | -15.04% | 4,484,700 |
| Jul 1998 | $5.85 | $6.10 | $5.54 | $5.54 | -4.66% | 5,512,800 |
| Jun 1998 | $6.19 | $6.23 | $5.69 | $5.81 | -6.06% | 5,539,800 |
| May 1998 | $6.13 | $6.47 | $5.99 | $6.19 | +0.68% | 8,568,600 |
| Apr 1998 | $6.28 | $6.31 | $5.96 | $6.15 | -2.21% | 7,607,700 |
| Mar 1998 | $6.51 | $6.61 | $5.92 | $6.28 | -4.13% | 12,527,100 |
| Feb 1998 | $6.47 | $6.61 | $6.44 | $6.56 | +1.73% | 8,105,400 |
| Jan 1998 | $7.10 | $7.13 | $6.21 | $6.44 | -9.29% | 23,500,800 |
| Dec 1997 | $6.58 | $7.17 | $6.40 | $7.10 | +7.57% | 9,801,000 |
| Nov 1997 | $6.96 | $7.16 | $6.56 | $6.60 | -4.52% | 7,083,000 |
| Oct 1997 | $6.42 | $7.25 | $6.13 | $6.92 | +8.26% | 15,669,900 |
| Sep 1997 | $6.15 | $6.50 | $6.01 | $6.39 | +4.07% | 15,055,200 |
| Aug 1997 | $5.83 | $6.17 | $5.74 | $6.14 | +5.36% | 10,146,600 |
| Jul 1997 | $5.71 | $5.93 | $5.44 | $5.83 | +2.07% | 8,821,800 |
| Jun 1997 | $5.42 | $5.75 | $5.40 | $5.71 | +5.52% | 9,015,300 |
| May 1997 | $5.07 | $5.42 | $5.07 | $5.41 | +6.71% | 14,660,100 |
| Apr 1997 | $5.21 | $5.21 | $4.86 | $5.07 | -2.15% | 10,692,900 |
| Mar 1997 | $4.86 | $5.25 | $4.83 | $5.18 | +6.27% | 9,731,700 |
| Feb 1997 | $5.35 | $5.40 | $4.86 | $4.88 | -8.83% | 18,968,400 |
| Jan 1997 | $5.21 | $5.44 | $5.01 | $5.35 | +2.39% | 14,724,900 |
| Dec 1996 | $5.04 | $5.26 | $4.72 | $5.22 | +3.58% | 13,554,900 |
| Nov 1996 | $4.89 | $5.17 | $4.88 | $5.04 | +3.13% | 15,930,000 |
| Oct 1996 | $4.71 | $5.14 | $4.67 | $4.89 | +3.53% | 12,783,600 |
| Sep 1996 | $4.76 | $4.89 | $4.67 | $4.72 | -0.88% | 13,022,100 |
| Aug 1996 | $4.64 | $4.97 | $4.58 | $4.76 | +2.69% | 11,917,800 |
| Jul 1996 | $4.69 | $4.76 | $4.44 | $4.64 | -1.18% | 21,900,600 |
| Jun 1996 | $4.83 | $4.83 | $4.47 | $4.69 | -2.87% | 14,127,300 |
| May 1996 | $4.50 | $4.85 | $4.32 | $4.83 | +7.41% | 17,470,800 |
| Apr 1996 | $4.39 | $4.60 | $4.38 | $4.50 | +2.53% | 23,742,000 |
| Mar 1996 | $4.07 | $4.47 | $3.97 | $4.39 | +8.22% | 18,939,600 |
| Feb 1996 | $4.04 | $4.19 | $4.04 | $4.06 | +0.69% | 16,208,100 |
| Jan 1996 | $4.03 | $4.15 | $3.88 | $4.03 | +0.35% | 19,462,500 |
| Dec 1995 | $3.86 | $4.01 | $3.75 | $4.01 | +3.58% | 11,697,300 |
| Nov 1995 | $4.06 | $4.08 | $3.86 | $3.88 | -4.45% | 21,064,500 |
| Oct 1995 | $4.11 | $4.13 | $3.88 | $4.06 | -2.01% | 23,346,000 |
| Sep 1995 | $3.99 | $4.15 | $3.97 | $4.14 | +4.20% | 9,424,800 |
| Aug 1995 | $4.00 | $4.10 | $3.90 | $3.97 | -0.35% | 20,841,300 |
| Jul 1995 | $4.13 | $4.13 | $3.92 | $3.99 | -3.37% | 26,122,500 |
| Jun 1995 | $4.32 | $4.32 | $4.00 | $4.13 | -4.50% | 13,672,800 |
| May 1995 | $3.97 | $4.33 | $3.97 | $4.32 | +8.74% | 27,905,400 |
| Apr 1995 | $3.93 | $4.04 | $3.90 | $3.97 | +0.35% | 20,276,100 |
| Mar 1995 | $3.78 | $4.04 | $3.64 | $3.96 | +5.16% | 14,813,100 |
| Feb 1995 | $3.67 | $3.78 | $3.63 | $3.76 | +3.04% | 7,892,100 |
| Jan 1995 | $3.67 | $3.72 | $3.56 | $3.65 | -0.38% | 16,520,400 |
| Dec 1994 | $3.71 | $3.78 | $3.53 | $3.67 | -0.75% | 15,660,900 |
| Nov 1994 | $3.96 | $3.99 | $3.67 | $3.69 | -7.32% | 16,187,400 |
| Oct 1994 | $3.57 | $3.99 | $3.57 | $3.99 | +11.67% | 31,969,800 |
| Sep 1994 | $3.46 | $3.68 | $3.44 | $3.57 | +3.63% | 8,705,700 |
| Aug 1994 | $3.32 | $3.47 | $3.29 | $3.44 | +3.33% | 7,977,600 |
| Jul 1994 | $3.25 | $3.39 | $3.24 | $3.33 | +2.56% | 15,633,000 |
| Jun 1994 | $3.40 | $3.47 | $3.22 | $3.25 | -4.88% | 8,367,300 |
| May 1994 | $3.53 | $3.56 | $3.32 | $3.42 | -2.77% | 16,341,300 |
| Apr 1994 | $3.57 | $3.89 | $3.47 | $3.51 | -2.69% | 9,204,300 |
| Mar 1994 | $3.86 | $3.92 | $3.58 | $3.61 | -6.14% | 5,077,800 |
| Feb 1994 | $3.89 | $3.97 | $3.69 | $3.85 | -0.72% | 8,544,600 |
| Jan 1994 | $3.78 | $4.00 | $3.76 | $3.88 | +2.95% | 8,060,400 |
| Dec 1993 | $3.76 | $3.83 | $3.64 | $3.76 | +0.74% | 6,394,500 |
| Nov 1993 | $4.13 | $4.28 | $3.72 | $3.74 | -9.12% | 8,483,400 |
| Oct 1993 | $4.03 | $4.17 | $4.01 | $4.11 | +2.78% | 10,402,200 |
| Sep 1993 | $4.22 | $4.22 | $3.86 | $4.00 | -5.26% | 12,125,700 |
| Aug 1993 | $3.89 | $4.25 | $3.78 | $4.22 | +8.96% | 9,162,000 |
| Jul 1993 | $4.10 | $4.15 | $3.78 | $3.88 | -6.06% | 7,140,600 |
| Jun 1993 | $4.13 | $4.31 | $4.10 | $4.13 | 0.00% | 9,063,900 |
| May 1993 | $4.13 | $4.25 | $4.03 | $4.13 | +0.34% | 3,925,800 |
| Apr 1993 | $4.24 | $4.33 | $4.10 | $4.11 | -2.63% | 4,957,200 |
| Mar 1993 | $3.85 | $4.28 | $3.82 | $4.22 | +8.96% | 8,200,800 |
| Feb 1993 | $3.78 | $3.90 | $3.72 | $3.88 | +3.33% | 11,607,300 |
| Jan 1993 | $3.54 | $3.79 | $3.47 | $3.75 | +6.30% | 12,625,200 |
| Dec 1992 | $3.61 | $3.61 | $3.44 | $3.53 | -1.93% | 7,427,700 |
| Nov 1992 | $3.90 | $3.96 | $3.60 | $3.60 | -7.17% | 3,293,100 |
| Oct 1992 | $3.83 | $4.06 | $3.81 | $3.88 | +1.09% | 10,460,700 |
| Sep 1992 | $4.28 | $4.43 | $3.83 | $3.83 | -10.39% | 6,229,800 |
| Aug 1992 | $4.19 | $4.32 | $4.14 | $4.28 | +1.65% | 1,464,300 |
| Jul 1992 | $4.04 | $4.21 | $4.04 | $4.21 | +3.41% | 4,303,800 |
| Jun 1992 | $4.11 | $4.39 | $4.03 | $4.07 | -1.01% | 5,346,900 |
| May 1992 | $3.76 | $4.15 | $3.71 | $4.11 | +10.04% | 2,518,200 |
| Apr 1992 | $3.57 | $3.78 | $3.56 | $3.74 | +5.08% | 4,171,500 |
| Mar 1992 | $3.83 | $3.90 | $3.54 | $3.56 | -6.91% | 3,875,400 |
| Feb 1992 | $3.89 | $4.07 | $3.82 | $3.82 | -1.79% | 8,625,600 |
| Jan 1992 | $3.85 | $3.99 | $3.65 | $3.89 | +0.72% | 6,149,700 |
| Dec 1991 | $4.35 | $4.39 | $3.74 | $3.86 | -11.46% | 4,965,300 |
| Nov 1991 | $5.00 | $5.04 | $4.33 | $4.36 | -13.50% | 3,636,900 |
| Oct 1991 | $5.22 | $5.22 | $4.96 | $5.04 | -3.46% | 7,934,400 |
| Sep 1991 | $5.26 | $5.33 | $5.13 | $5.22 | -1.05% | 4,788,900 |
| Aug 1991 | $5.04 | $5.28 | $4.97 | $5.28 | +4.11% | 6,401,700 |
| Jul 1991 | $5.19 | $5.44 | $5.00 | $5.07 | -2.41% | 5,921,100 |
| Jun 1991 | $5.25 | $5.53 | $5.18 | $5.19 | -1.06% | 32,815,800 |
| May 1991 | $5.44 | $5.53 | $5.13 | $5.25 | -3.08% | 8,015,400 |
| Apr 1991 | $5.17 | $5.47 | $5.08 | $5.42 | +4.28% | 11,100,600 |
| Mar 1991 | $5.69 | $5.79 | $5.18 | $5.19 | -9.22% | 44,935,200 |
| Feb 1991 | $5.42 | $5.86 | $5.38 | $5.72 | +5.64% | 9,533,700 |
| Jan 1991 | $5.61 | $5.69 | $5.38 | $5.42 | -3.70% | 6,000,300 |
| Dec 1990 | $5.75 | $5.78 | $5.47 | $5.63 | -1.70% | 46,197,900 |
| Nov 1990 | $5.93 | $6.04 | $5.64 | $5.72 | -3.06% | 25,318,800 |
| Oct 1990 | $6.33 | $6.33 | $5.82 | $5.90 | -7.20% | 9,463,500 |
| Sep 1990 | $6.13 | $6.46 | $6.03 | $6.36 | +4.33% | 9,914,400 |
| Aug 1990 | $5.93 | $6.63 | $5.93 | $6.10 | +2.81% | 27,830,700 |
| Jul 1990 | $5.22 | $5.93 | $5.11 | $5.93 | +13.57% | 8,189,100 |
| Jun 1990 | $5.44 | $5.47 | $5.10 | $5.22 | -3.59% | 10,971,000 |
| May 1990 | $5.42 | $5.69 | $5.42 | $5.42 | -0.51% | 34,824,600 |
| Apr 1990 | $5.81 | $5.96 | $5.40 | $5.44 | -6.67% | 7,693,200 |
| Mar 1990 | $5.92 | $5.93 | $5.74 | $5.83 | -0.94% | 7,189,200 |
| Feb 1990 | $5.72 | $6.03 | $5.72 | $5.89 | +3.42% | 7,176,600 |
| Jan 1990 | $6.13 | $6.22 | $5.44 | $5.69 | -7.03% | 9,396,900 |
| Dec 1989 | $5.65 | $6.15 | $5.61 | $6.13 | +8.62% | 7,584,300 |
| Nov 1989 | $5.75 | $5.83 | $5.57 | $5.64 | -1.69% | 6,573,600 |
| Oct 1989 | $5.69 | $6.04 | $5.68 | $5.74 | +0.98% | 8,625,600 |
| Sep 1989 | $5.24 | $5.68 | $5.24 | $5.68 | +8.20% | 11,025,900 |
| Aug 1989 | $5.40 | $5.46 | $5.17 | $5.25 | -2.58% | 10,150,200 |
| Jul 1989 | $5.25 | $5.51 | $5.25 | $5.39 | +2.92% | 8,157,600 |
| Jun 1989 | $5.04 | $5.39 | $4.92 | $5.24 | +3.57% | 7,574,400 |
| May 1989 | $5.13 | $5.22 | $4.88 | $5.06 | -1.09% | 8,939,700 |
| Apr 1989 | $5.00 | $5.19 | $4.85 | $5.11 | +2.51% | 17,125,200 |
| Mar 1989 | $4.56 | $5.17 | $4.53 | $4.99 | +9.45% | 40,327,200 |
| Feb 1989 | $4.68 | $4.76 | $4.51 | $4.56 | -2.96% | 7,480,800 |
| Jan 1989 | $4.67 | $5.17 | $4.65 | $4.69 | +0.89% | 14,967,000 |
| Dec 1988 | $4.44 | $4.65 | $4.35 | $4.65 | +4.69% | 5,355,000 |
| Nov 1988 | $4.56 | $4.56 | $4.07 | $4.44 | -3.03% | 13,063,500 |
| Oct 1988 | $4.56 | $4.76 | $4.53 | $4.58 | -0.30% | 17,170,200 |
| Sep 1988 | $4.81 | $4.85 | $4.56 | $4.60 | -4.61% | 10,980,900 |
| Aug 1988 | $5.25 | $5.33 | $4.81 | $4.82 | -8.20% | 5,746,500 |
| Jul 1988 | $5.08 | $5.25 | $5.04 | $5.25 | +3.28% | 4,076,100 |
| Jun 1988 | $5.06 | $5.28 | $5.04 | $5.08 | +1.38% | 9,119,700 |
| May 1988 | $5.33 | $5.40 | $4.94 | $5.01 | -6.96% | 8,758,800 |
| Apr 1988 | $5.32 | $5.69 | $5.28 | $5.39 | +1.04% | 15,886,800 |
| Mar 1988 | $5.10 | $5.40 | $5.00 | $5.33 | +5.21% | 17,612,100 |
| Feb 1988 | $4.75 | $5.28 | $4.75 | $5.07 | +7.04% | 11,051,100 |
| Jan 1988 | $4.81 | $5.13 | $4.63 | $4.74 | -2.01% | 11,225,700 |
| Dec 1987 | $4.39 | $4.83 | $4.29 | $4.83 | +9.78% | 14,022,900 |
| Nov 1987 | $5.39 | $5.39 | $4.11 | $4.40 | -19.13% | 12,798,000 |
| Oct 1987 | $6.38 | $6.56 | $4.61 | $5.44 | -14.41% | 14,841,000 |
| Sep 1987 | $6.39 | $6.57 | $6.03 | $6.36 | -0.44% | 9,560,700 |
| Aug 1987 | $6.69 | $6.85 | $6.29 | $6.39 | -2.95% | 12,175,200 |
| Jul 1987 | $6.11 | $6.64 | $6.06 | $6.58 | +7.97% | 13,617,000 |
| Jun 1987 | $5.63 | $6.15 | $5.56 | $6.10 | +8.66% | 10,229,400 |
| May 1987 | $5.36 | $6.32 | $5.25 | $5.61 | +4.39% | 15,128,100 |
| Apr 1987 | $5.63 | $6.24 | $5.31 | $5.38 | -4.68% | 13,450,500 |
| Mar 1987 | $4.57 | $5.93 | $4.57 | $5.64 | +23.78% | 13,384,800 |
| Feb 1987 | $4.69 | $5.11 | $4.42 | $4.56 | -2.67% | 23,530,500 |
| Jan 1987 | $4.11 | $4.71 | $4.06 | $4.68 | +13.47% | 24,848,100 |
| Dec 1986 | $3.74 | $4.15 | $3.74 | $4.13 | +10.00% | 18,306,900 |
| Nov 1986 | $3.74 | $3.93 | $3.69 | $3.75 | +0.75% | 10,697,400 |
| Oct 1986 | $3.67 | $3.74 | $3.56 | $3.72 | +0.75% | 14,077,800 |
| Sep 1986 | $3.51 | $3.81 | $3.47 | $3.69 | +5.98% | 24,157,800 |
| Aug 1986 | $3.00 | $3.54 | $2.92 | $3.49 | +16.74% | 18,441,900 |
| Jul 1986 | $3.06 | $3.07 | $2.79 | $2.99 | -2.27% | 5,445,000 |
| Jun 1986 | $3.36 | $3.38 | $3.00 | $3.06 | -9.09% | 6,119,100 |
| May 1986 | $3.38 | $3.56 | $3.35 | $3.36 | -0.82% | 10,842,300 |
| Apr 1986 | $3.64 | $3.76 | $3.29 | $3.39 | -9.29% | 6,792,300 |
| Mar 1986 | $3.50 | $3.89 | $3.47 | $3.74 | +6.75% | 4,928,400 |
| Feb 1986 | $3.56 | $3.61 | $3.25 | $3.50 | -2.32% | 11,407,500 |
| Jan 1986 | $4.06 | $4.11 | $3.56 | $3.58 | -11.65% | 6,600,600 |
| Dec 1985 | $4.42 | $4.42 | $4.00 | $4.06 | -8.18% | 8,071,200 |
| Nov 1985 | $4.11 | $4.42 | $4.08 | $4.42 | +7.43% | 5,781,600 |
| Oct 1985 | $4.10 | $4.19 | $4.06 | $4.11 | +0.34% | 5,354,100 |
| Sep 1985 | $4.35 | $4.36 | $3.90 | $4.10 | -5.75% | 3,190,500 |
| Aug 1985 | $4.04 | $4.39 | $3.96 | $4.35 | +7.56% | 3,523,500 |
| Jul 1985 | $3.93 | $4.31 | $3.92 | $4.04 | +2.83% | 6,927,300 |
| Jun 1985 | $4.32 | $4.33 | $3.85 | $3.93 | -9.00% | 4,456,800 |
| May 1985 | $4.33 | $4.33 | $4.04 | $4.32 | -0.32% | 6,157,800 |
| Apr 1985 | $4.24 | $4.47 | $4.15 | $4.33 | +2.29% | 7,273,800 |
| Mar 1985 | $3.72 | $4.28 | $3.71 | $4.24 | +13.81% | 3,438,900 |
| Feb 1985 | $3.79 | $4.01 | $3.58 | $3.72 | -2.19% | 8,327,700 |
| Jan 1985 | $3.56 | $3.82 | $3.36 | $3.81 | +7.03% | 6,559,200 |
| Dec 1984 | $3.54 | $3.68 | $3.51 | $3.56 | 0.00% | 1,991,700 |
| Nov 1984 | $3.58 | $3.82 | $3.54 | $3.56 | -0.77% | 3,297,600 |
| Oct 1984 | $3.68 | $3.78 | $3.33 | $3.58 | -2.64% | 6,047,100 |
| Sep 1984 | $3.60 | $3.69 | $3.47 | $3.68 | +2.32% | 7,636,500 |
| Aug 1984 | $2.88 | $3.69 | $2.88 | $3.60 | +25.12% | 3,636,900 |
| Jul 1984 | $2.90 | $2.96 | $2.82 | $2.88 | -0.96% | 2,959,200 |
| Jun 1984 | $3.31 | $3.33 | $2.90 | $2.90 | -12.19% | 1,636,200 |
| May 1984 | $3.39 | $3.42 | $3.21 | $3.31 | -2.86% | 1,306,800 |
| Apr 1984 | $3.36 | $3.49 | $3.26 | $3.40 | +1.24% | 1,612,800 |
| Mar 1984 | $3.33 | $3.40 | $3.28 | $3.36 | +0.83% | 2,242,800 |
| Feb 1984 | $3.24 | $3.43 | $3.08 | $3.33 | +3.00% | 2,739,600 |
| Jan 1984 | $3.31 | $3.35 | $3.15 | $3.24 | -2.10% | 3,011,400 |
| Dec 1983 | $3.39 | $3.50 | $3.15 | $3.31 | -2.46% | 2,692,800 |
| Nov 1983 | $3.06 | $3.43 | $3.06 | $3.39 | +10.91% | 2,044,800 |
| Oct 1983 | $3.47 | $3.49 | $3.06 | $3.06 | -12.35% | 3,626,100 |
| Sep 1983 | $3.50 | $3.71 | $3.47 | $3.49 | -0.40% | 5,151,600 |
| Aug 1983 | $3.44 | $3.50 | $3.25 | $3.50 | +1.61% | 2,939,400 |
| Jul 1983 | $3.24 | $3.61 | $3.24 | $3.44 | +6.44% | 2,575,800 |
| Jun 1983 | $3.15 | $3.38 | $2.97 | $3.24 | +2.19% | 4,698,000 |
| May 1983 | $3.17 | $3.33 | $3.04 | $3.17 | 0.00% | 4,301,100 |
| Apr 1983 | $2.63 | $3.19 | $2.61 | $3.17 | +20.64% | 3,718,800 |
| Mar 1983 | $2.53 | $2.71 | $2.51 | $2.63 | +3.85% | 2,088,000 |
| Feb 1983 | $2.43 | $2.72 | $2.39 | $2.53 | +4.00% | 2,189,700 |
| Jan 1983 | $2.58 | $2.86 | $2.39 | $2.43 | -5.91% | 2,159,100 |
| Dec 1982 | $2.54 | $2.60 | $2.33 | $2.58 | +1.64% | 2,553,300 |
| Nov 1982 | $2.82 | $2.96 | $2.49 | $2.54 | -9.85% | 4,552,200 |
| Oct 1982 | $2.49 | $3.00 | $2.46 | $2.82 | +12.78% | 6,132,600 |
| Sep 1982 | $2.64 | $2.72 | $2.43 | $2.50 | -5.26% | 4,467,600 |
| Aug 1982 | $2.17 | $2.67 | $2.17 | $2.64 | +21.79% | 4,334,400 |
| Jul 1982 | $1.99 | $2.22 | $1.93 | $2.17 | +9.09% | 2,835,900 |
| Jun 1982 | $2.17 | $2.17 | $1.93 | $1.99 | -12.81% | 3,417,300 |
| May 1982 | $2.01 | $2.28 | $2.00 | $2.28 | +13.10% | 3,276,000 |
| Apr 1982 | $1.90 | $2.21 | $1.88 | $2.01 | +5.84% | 4,185,000 |
| Mar 1982 | $1.97 | $2.03 | $1.79 | $1.90 | -3.52% | 2,964,600 |
| Feb 1982 | $2.14 | $2.14 | $1.94 | $1.97 | -8.39% | 3,515,400 |
| Jan 1982 | $2.38 | $2.42 | $1.96 | $2.15 | -9.36% | 7,398,900 |
| Dec 1981 | $2.69 | $2.69 | $2.35 | $2.38 | -11.85% | 4,750,200 |
| Nov 1981 | $2.42 | $2.69 | $2.38 | $2.69 | +12.14% | 5,302,800 |
| Oct 1981 | $2.42 | $2.57 | $2.31 | $2.40 | -0.58% | 4,141,800 |
| Sep 1981 | $3.26 | $3.53 | $2.25 | $2.42 | -25.96% | 8,373,600 |
| Aug 1981 | $3.21 | $3.38 | $3.07 | $3.26 | +0.86% | 4,453,200 |
| Jul 1981 | $3.32 | $3.50 | $3.11 | $3.24 | -2.51% | 3,662,100 |
| Jun 1981 | $3.22 | $3.46 | $3.14 | $3.32 | +1.27% | 5,836,500 |
| May 1981 | $3.03 | $3.47 | $2.96 | $3.28 | +8.26% | 6,797,700 |
| Apr 1981 | $3.07 | $3.36 | $3.03 | $3.03 | -1.36% | 5,543,100 |
| Mar 1981 | $2.86 | $3.21 | $2.83 | $3.07 | +7.28% | 8,724,600 |
| Feb 1981 | $3.31 | $3.31 | $2.86 | $2.86 | -13.81% | 4,489,200 |
| Jan 1981 | $3.08 | $3.39 | $3.03 | $3.32 | +8.63% | 6,076,800 |
| Dec 1980 | $3.46 | $3.47 | $2.79 | $3.06 | -11.64% | 10,574,100 |
| Nov 1980 | $3.49 | $3.54 | $2.99 | $3.46 | -0.80% | 16,776,000 |
| Oct 1980 | $3.89 | $4.40 | $3.33 | $3.49 | -10.36% | 20,826,000 |
| Sep 1980 | $3.93 | $4.31 | $3.33 | $3.89 | -1.06% | 15,543,900 |
| Aug 1980 | $4.22 | $4.22 | $3.89 | $3.93 | -6.91% | 12,486,600 |
| Jul 1980 | $4.31 | $4.64 | $4.11 | $4.22 | -1.94% | 13,625,100 |
| Jun 1980 | $3.69 | $4.50 | $3.53 | $4.31 | +16.54% | 27,359,100 |
| May 1980 | $3.88 | $3.90 | $3.33 | $3.69 | -4.66% | 13,092,300 |
| Apr 1980 | $3.86 | $4.40 | $3.68 | $3.88 | +0.36% | 7,201,800 |
| Mar 1980 | $4.19 | $4.67 | $3.35 | $3.86 | – | 6,016,500 |
Seasonality
IMO return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 4.9% | 1.0% | 0.4% | 8.2% | 0.3% | 0.8% | 2.0% | 1.0% | -0.1% | 4.6% | 4.0% | -3.2% |
| Months up | 7 of 10 | 5 of 10 | 7 of 10 | 7 of 10 | 5 of 10 | 6 of 10 | 6 of 10 | 7 of 10 | 6 of 10 | 6 of 10 | 4 of 9 | 5 of 9 |
| 2026 | 17.3% | 15.9% | 12.1% | 2.4% | -11.4% | -5.2% | 15.7% | 1.4% | -5.9% | 12.2% | ||
| 2025 | 8.2% | 1.8% | 7.4% | -6.8% | 5.9% | 12.2% | 5.0% | 8.8% | 0.5% | -2.8% | 12.0% | -12.2% |
| 2024 | 0.9% | 8.3% | 11.4% | -0.3% | 2.2% | -2.6% | 4.8% | 5.1% | -5.8% | 5.7% | -0.8% | -16.2% |
| 2023 | 12.4% | -9.9% | 3.6% | 0.2% | -10.8% | 13.5% | 5.4% | 6.3% | 8.1% | -7.5% | -0.5% | 1.5% |
| 2022 | 13.4% | 9.6% | 8.4% | 3.8% | 10.6% | -14.5% | 1.7% | 2.2% | -11.3% | 25.9% | 4.7% | -14.1% |
| 2021 | -0.1% | 15.5% | 11.0% | 19.7% | 14.0% | -7.3% | -9.9% | -3.6% | 20.6% | 7.4% | -2.3% | 9.8% |
| 2020 | -10.5% | -7.4% | -48.2% | 43.7% | -3.5% | 3.8% | -2.6% | 5.1% | -26.4% | 11.5% | 30.2% | 10.7% |
| 2019 | 12.5% | -4.9% | 1.6% | 6.2% | -7.5% | 3.5% | -1.0% | -10.4% | 6.8% | -4.5% | 1.2% | 5.9% |
| 2018 | 0.8% | -13.9% | -1.7% | 17.5% | 5.4% | 1.8% | 2.7% | -8.6% | 3.7% | -3.5% | -4.0% | -15.1% |
| 2017 | -5.4% | -4.9% | -2.1% | -4.7% | -2.3% | 3.2% | -1.9% | 3.6% | 8.1% | 1.4% | -4.1% | 0.8% |