STMicroelectronics N.V. (STM) stock
STMNYSESemiconductors & Related DevicesFiscal year ends December 31Also trades as STMEF
$46.74−3.25 (-6.50%)
Close on Oct 30, 2026Market cap $41.54BP/E 259.7Yield 0.77%
Price history
STMicroelectronics share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$46.74
-6.50% on the day
52-week range
$21.11 – $81.42
-42.6% from the high
Change over 52 weeks
+91.2%
From $24.45 on Oct 30, 2025
Average volume
9.94M
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $52.72 | $59.29 | $43.21 | $46.74 | -12.41% | 231,977,959 |
| Sep 2026 | $49.52 | $54.33 | $47.53 | $53.36 | +6.42% | 175,107,891 |
| Aug 2026 | $51.12 | $57.04 | $48.95 | $50.14 | -4.29% | 162,895,493 |
| Jul 2026 | $72.64 | $73.37 | $47.88 | $52.39 | -30.04% | 284,314,840 |
| Jun 2026 | $68.68 | $81.42 | $66.99 | $74.89 | +8.05% | 288,155,187 |
| May 2026 | $54.74 | $71.07 | $54.35 | $69.31 | +25.70% | 224,791,537 |
| Apr 2026 | $34.51 | $55.31 | $32.63 | $55.14 | +59.59% | 245,730,979 |
| Mar 2026 | $32.54 | $34.60 | $30.38 | $34.55 | +2.80% | 199,341,940 |
| Feb 2026 | $27.84 | $35.07 | $27.27 | $33.61 | +20.51% | 166,107,412 |
| Jan 2026 | $27.52 | $30.41 | $26.91 | $27.89 | +7.52% | 149,071,581 |
| Dec 2025 | $22.89 | $26.96 | $22.86 | $25.94 | +12.83% | 121,549,059 |
| Nov 2025 | $24.46 | $24.66 | $21.11 | $22.99 | -6.05% | 98,290,618 |
| Oct 2025 | $28.20 | $30.98 | $24.37 | $24.47 | -13.41% | 151,624,123 |
| Sep 2025 | $25.85 | $29.23 | $25.25 | $28.26 | +4.71% | 132,372,014 |
| Aug 2025 | $25.30 | $28.00 | $24.55 | $26.99 | +6.13% | 133,166,791 |
| Jul 2025 | $30.00 | $33.47 | $25.32 | $25.43 | -16.38% | 191,124,683 |
| Jun 2025 | $24.62 | $30.59 | $24.61 | $30.41 | +21.59% | 151,156,919 |
| May 2025 | $22.85 | $26.29 | $22.50 | $25.01 | +10.13% | 132,196,923 |
| Apr 2025 | $21.65 | $23.45 | $17.25 | $22.71 | +3.42% | 204,494,908 |
| Mar 2025 | $25.19 | $26.52 | $21.41 | $21.96 | -11.06% | 147,868,650 |
| Feb 2025 | $21.58 | $28.27 | $21.36 | $24.69 | +9.98% | 146,735,739 |
| Jan 2025 | $24.94 | $26.90 | $21.96 | $22.45 | -10.09% | 137,261,784 |
| Dec 2024 | $25.50 | $27.05 | $24.15 | $24.97 | -2.08% | 111,892,421 |
| Nov 2024 | $26.61 | $27.45 | $23.96 | $25.50 | -6.04% | 103,897,379 |
| Oct 2024 | $29.39 | $29.49 | $26.63 | $27.14 | -8.71% | 109,338,418 |
| Sep 2024 | $31.14 | $31.16 | $27.45 | $29.73 | -6.95% | 106,288,726 |
| Aug 2024 | $32.58 | $32.79 | $28.19 | $31.95 | -5.36% | 93,959,184 |
| Jul 2024 | $39.52 | $43.32 | $32.54 | $33.76 | -14.05% | 91,399,006 |
| Jun 2024 | $42.08 | $45.39 | $38.81 | $39.28 | -6.41% | 63,147,466 |
| May 2024 | $39.39 | $43.09 | $38.50 | $41.97 | +6.09% | 64,623,647 |
| Apr 2024 | $43.51 | $44.40 | $38.37 | $39.56 | -8.51% | 78,769,974 |
| Mar 2024 | $46.11 | $49.05 | $42.90 | $43.24 | -5.22% | 69,890,793 |
| Feb 2024 | $44.21 | $46.98 | $43.17 | $45.62 | +3.40% | 65,165,760 |
| Jan 2024 | $49.02 | $49.04 | $41.85 | $44.12 | -11.99% | 88,385,749 |
| Dec 2023 | $47.48 | $51.27 | $46.81 | $50.13 | +5.67% | 50,899,606 |
| Nov 2023 | $38.59 | $47.81 | $37.85 | $47.44 | +24.91% | 68,160,109 |
| Oct 2023 | $43.05 | $45.40 | $37.21 | $37.98 | -12.00% | 94,396,648 |
| Sep 2023 | $47.72 | $47.78 | $41.45 | $43.16 | -8.68% | 54,191,417 |
| Aug 2023 | $53.19 | $53.72 | $45.33 | $47.26 | -11.96% | 66,883,082 |
| Jul 2023 | $50.03 | $55.85 | $46.61 | $53.68 | +7.38% | 69,074,941 |
| Jun 2023 | $44.07 | $50.30 | $43.62 | $49.99 | +15.08% | 68,217,978 |
| May 2023 | $43.07 | $45.47 | $41.10 | $43.44 | +1.31% | 75,332,115 |
| Apr 2023 | $53.00 | $53.22 | $41.48 | $42.88 | -19.84% | 70,126,186 |
| Mar 2023 | $49.05 | $53.53 | $45.76 | $53.49 | +11.07% | 90,132,966 |
| Feb 2023 | $47.40 | $50.81 | $46.92 | $48.16 | +1.99% | 69,063,081 |
| Jan 2023 | $36.34 | $47.88 | $35.20 | $47.22 | +32.75% | 73,217,202 |
| Dec 2022 | $39.14 | $41.04 | $34.59 | $35.57 | -8.51% | 58,008,636 |
| Nov 2022 | $32.19 | $39.48 | $29.57 | $38.88 | +24.94% | 78,250,055 |
| Oct 2022 | $31.56 | $35.26 | $29.09 | $31.12 | +0.58% | 96,815,786 |
| Sep 2022 | $34.53 | $37.84 | $30.70 | $30.94 | -11.35% | 85,834,668 |
| Aug 2022 | $38.31 | $39.75 | $34.83 | $34.90 | -8.01% | 68,848,627 |
| Jul 2022 | $30.68 | $38.01 | $28.35 | $37.94 | +20.56% | 73,020,560 |
| Jun 2022 | $40.18 | $41.09 | $30.55 | $31.47 | -21.48% | 70,190,699 |
| May 2022 | $36.34 | $40.62 | $34.83 | $40.08 | +9.45% | 97,774,506 |
| Apr 2022 | $43.26 | $43.53 | $36.29 | $36.62 | -15.27% | 83,866,261 |
| Mar 2022 | $41.56 | $46.73 | $35.38 | $43.22 | +2.13% | 99,514,758 |
| Feb 2022 | $47.09 | $47.55 | $39.17 | $42.32 | -9.84% | 72,593,611 |
| Jan 2022 | $49.53 | $51.52 | $42.88 | $46.94 | -3.97% | 89,636,042 |
| Dec 2021 | $50.37 | $51.16 | $45.87 | $48.88 | +0.70% | 53,206,504 |
| Nov 2021 | $47.57 | $52.15 | $47.22 | $48.54 | +1.89% | 38,920,487 |
| Oct 2021 | $43.68 | $48.54 | $40.64 | $47.64 | +9.19% | 40,365,961 |
| Sep 2021 | $44.79 | $47.38 | $43.29 | $43.63 | -1.80% | 36,561,237 |
| Aug 2021 | $41.74 | $45.01 | $41.15 | $44.43 | +7.66% | 42,110,698 |
| Jul 2021 | $36.67 | $41.81 | $36.21 | $41.27 | +13.44% | 37,575,992 |
| Jun 2021 | $37.69 | $38.73 | $35.75 | $36.38 | -2.57% | 34,669,821 |
| May 2021 | $37.78 | $37.81 | $34.16 | $37.34 | +0.13% | 37,944,566 |
| Apr 2021 | $38.75 | $40.59 | $36.80 | $37.29 | -2.71% | 44,030,608 |
| Mar 2021 | $37.69 | $38.61 | $33.30 | $38.33 | -1.36% | 70,557,908 |
| Feb 2021 | $40.92 | $43.02 | $38.33 | $38.86 | -2.73% | 41,268,785 |
| Jan 2021 | $38.86 | $41.42 | $37.71 | $39.95 | +7.62% | 56,395,665 |
| Dec 2020 | $40.54 | $41.99 | $34.80 | $37.12 | -6.38% | 54,420,941 |
| Nov 2020 | $31.09 | $39.86 | $30.70 | $39.65 | +29.83% | 36,016,816 |
| Oct 2020 | $32.91 | $35.34 | $30.16 | $30.54 | -0.49% | 61,502,109 |
| Sep 2020 | $30.21 | $31.94 | $26.90 | $30.69 | +1.45% | 53,460,009 |
| Aug 2020 | $28.39 | $31.08 | $28.22 | $30.25 | +8.27% | 40,277,826 |
| Jul 2020 | $26.82 | $31.25 | $26.56 | $27.94 | +1.93% | 68,541,338 |
| Jun 2020 | $24.83 | $28.63 | $24.65 | $27.41 | +10.30% | 39,691,350 |
| May 2020 | $25.00 | $25.99 | $23.23 | $24.85 | -2.82% | 42,897,751 |
| Apr 2020 | $20.86 | $27.64 | $18.97 | $25.57 | +19.65% | 43,648,060 |
| Mar 2020 | $26.91 | $28.66 | $14.67 | $21.37 | -22.01% | 85,011,500 |
| Feb 2020 | $28.12 | $31.98 | $25.98 | $27.40 | -1.62% | 64,784,019 |
| Jan 2020 | $27.80 | $30.68 | $26.61 | $27.85 | +3.49% | 56,945,161 |
| Dec 2019 | $24.49 | $27.79 | $23.92 | $26.91 | +10.42% | 35,874,684 |
| Nov 2019 | $22.96 | $24.89 | $22.90 | $24.37 | +7.45% | 35,155,622 |
| Oct 2019 | $19.56 | $23.38 | $18.68 | $22.68 | +17.27% | 58,909,137 |
| Sep 2019 | $17.54 | $20.25 | $17.26 | $19.34 | +9.27% | 36,928,872 |
| Aug 2019 | $18.39 | $18.80 | $16.66 | $17.70 | -3.01% | 45,921,664 |
| Jul 2019 | $18.68 | $19.68 | $17.18 | $18.25 | +3.58% | 62,949,879 |
| Jun 2019 | $15.23 | $17.84 | $15.05 | $17.62 | +17.15% | 66,034,874 |
| May 2019 | $18.72 | $18.78 | $14.78 | $15.04 | -18.04% | 102,974,669 |
| Apr 2019 | $15.26 | $18.87 | $15.24 | $18.35 | +23.57% | 75,478,995 |
| Mar 2019 | $16.75 | $17.06 | $14.28 | $14.85 | -9.23% | 68,822,865 |
| Feb 2019 | $15.85 | $17.48 | $15.27 | $16.36 | +3.28% | 43,338,641 |
| Jan 2019 | $13.57 | $16.52 | $12.00 | $15.84 | +14.12% | 62,600,649 |
| Dec 2018 | $15.69 | $15.72 | $12.85 | $13.88 | -6.53% | 55,151,147 |
| Nov 2018 | $15.40 | $16.10 | $13.39 | $14.85 | -2.50% | 80,055,047 |
| Oct 2018 | $18.59 | $19.09 | $13.56 | $15.23 | -16.96% | 123,535,482 |
| Sep 2018 | $19.96 | $20.21 | $17.43 | $18.34 | -11.36% | 95,269,303 |
| Aug 2018 | $21.68 | $22.34 | $19.11 | $20.69 | -4.08% | 57,761,799 |
| Jul 2018 | $21.71 | $24.40 | $21.55 | $21.57 | -2.49% | 69,499,042 |
| Jun 2018 | $23.77 | $26.43 | $21.46 | $22.12 | -7.33% | 66,783,390 |
| May 2018 | $21.67 | $24.52 | $21.63 | $23.87 | +9.80% | 66,223,566 |
| Apr 2018 | $22.16 | $23.31 | $20.42 | $21.74 | -2.47% | 64,925,608 |
| Mar 2018 | $22.31 | $25.12 | $21.52 | $22.29 | -2.24% | 71,642,981 |
| Feb 2018 | $23.70 | $23.92 | $20.44 | $22.80 | -4.60% | 81,533,858 |
| Jan 2018 | $21.83 | $25.30 | $21.75 | $23.90 | +9.43% | 85,976,798 |
| Dec 2017 | $22.34 | $22.68 | $21.03 | $21.84 | -3.45% | 64,066,316 |
| Nov 2017 | $23.81 | $24.80 | $22.12 | $22.62 | -4.03% | 77,439,045 |
| Oct 2017 | $19.69 | $23.97 | $19.33 | $23.57 | +21.37% | 85,225,894 |
| Sep 2017 | $17.58 | $19.90 | $17.40 | $19.42 | +11.35% | 83,152,338 |
| Aug 2017 | $17.04 | $17.49 | $16.29 | $17.44 | +3.50% | 69,643,523 |
| Jul 2017 | $14.51 | $17.14 | $14.28 | $16.85 | +17.18% | 86,400,990 |
| Jun 2017 | $16.35 | $17.34 | $14.07 | $14.38 | -12.69% | 110,007,899 |
| May 2017 | $16.10 | $17.16 | $15.78 | $16.47 | +3.00% | 79,228,795 |
| Apr 2017 | $15.43 | $16.17 | $14.43 | $15.99 | +3.43% | 91,589,886 |
| Mar 2017 | $15.43 | $16.01 | $14.61 | $15.46 | +1.31% | 129,528,945 |
| Feb 2017 | $13.68 | $15.55 | $13.28 | $15.26 | +15.26% | 128,883,711 |
| Jan 2017 | $11.15 | $13.64 | $10.67 | $13.24 | +16.65% | 97,066,189 |
| Dec 2016 | $10.14 | $11.45 | $9.77 | $11.35 | +11.17% | 48,181,055 |
| Nov 2016 | $9.33 | $10.26 | $8.87 | $10.21 | +8.04% | 55,802,803 |
| Oct 2016 | $8.09 | $9.53 | $7.81 | $9.45 | +15.95% | 71,705,807 |
| Sep 2016 | $7.53 | $8.21 | $7.24 | $8.15 | +8.23% | 51,630,100 |
| Aug 2016 | $7.28 | $7.82 | $6.97 | $7.53 | +2.87% | 42,081,700 |
| Jul 2016 | $5.87 | $7.35 | $5.26 | $7.32 | +24.28% | 31,485,100 |
| Jun 2016 | $5.95 | $6.31 | $5.39 | $5.89 | -2.16% | 23,814,000 |
| May 2016 | $6.04 | $6.10 | $5.24 | $6.02 | -1.95% | 17,089,900 |
| Apr 2016 | $5.39 | $6.51 | $5.11 | $6.14 | +10.04% | 28,022,100 |
| Mar 2016 | $5.82 | $6.04 | $5.39 | $5.58 | -1.93% | 13,967,900 |
| Feb 2016 | $6.43 | $6.43 | $5.19 | $5.69 | -12.73% | 22,150,300 |
| Jan 2016 | $6.55 | $6.86 | $5.65 | $6.52 | -2.10% | 21,435,300 |
| Dec 2015 | $7.34 | $7.38 | $6.45 | $6.66 | -8.26% | 19,113,000 |
| Nov 2015 | $6.98 | $7.30 | $6.86 | $7.26 | +5.37% | 12,061,200 |
| Oct 2015 | $6.74 | $7.87 | $6.62 | $6.89 | +1.03% | 21,331,000 |
| Sep 2015 | $7.17 | $7.51 | $6.30 | $6.82 | -5.28% | 19,520,500 |
| Aug 2015 | $7.80 | $7.85 | $6.66 | $7.20 | -7.34% | 28,582,300 |
| Jul 2015 | $8.17 | $8.24 | $7.35 | $7.77 | -4.31% | 40,948,100 |
| Jun 2015 | $8.50 | $8.76 | $7.95 | $8.12 | -4.47% | 30,038,900 |
| May 2015 | $7.95 | $8.62 | $7.52 | $8.50 | +6.78% | 26,027,300 |
| Apr 2015 | $9.29 | $9.98 | $7.93 | $7.96 | -14.13% | 24,080,300 |
| Mar 2015 | $9.08 | $9.97 | $8.90 | $9.27 | +4.27% | 46,461,300 |
| Feb 2015 | $8.35 | $9.12 | $8.24 | $8.89 | +7.11% | 29,631,100 |
| Jan 2015 | $7.49 | $8.57 | $7.20 | $8.30 | +11.11% | 59,618,300 |
| Dec 2014 | $7.51 | $7.77 | $7.02 | $7.47 | -0.13% | 21,577,400 |
| Nov 2014 | $6.80 | $7.56 | $6.71 | $7.48 | +11.31% | 12,204,900 |
| Oct 2014 | $7.68 | $7.79 | $6.27 | $6.72 | -12.61% | 29,994,600 |
| Sep 2014 | $8.44 | $8.55 | $7.46 | $7.69 | -8.45% | 19,016,600 |
| Aug 2014 | $8.15 | $8.43 | $7.71 | $8.40 | +1.94% | 12,617,400 |
| Jul 2014 | $9.18 | $9.41 | $8.23 | $8.24 | -7.31% | 18,011,200 |
| Jun 2014 | $9.80 | $9.82 | $8.87 | $8.89 | -10.74% | 13,156,000 |
| May 2014 | $9.50 | $10.00 | $9.25 | $9.96 | +4.95% | 15,008,700 |
| Apr 2014 | $9.26 | $9.55 | $8.53 | $9.49 | +2.71% | 23,497,900 |
| Mar 2014 | $8.83 | $9.49 | $8.77 | $9.24 | +2.33% | 23,480,300 |
| Feb 2014 | $8.14 | $9.09 | $7.89 | $9.03 | +10.26% | 13,512,900 |
| Jan 2014 | $7.88 | $8.29 | $7.35 | $8.19 | +2.37% | 15,733,800 |
| Dec 2013 | $7.76 | $8.04 | $7.20 | $8.00 | +1.65% | 15,004,400 |
| Nov 2013 | $7.59 | $8.05 | $7.20 | $7.87 | +2.61% | 18,111,200 |
| Oct 2013 | $9.09 | $9.23 | $7.56 | $7.67 | -16.63% | 31,557,500 |
| Sep 2013 | $8.39 | $9.60 | $8.02 | $9.20 | +15.43% | 27,571,100 |
| Aug 2013 | $8.67 | $8.81 | $7.92 | $7.97 | -6.57% | 14,980,500 |
| Jul 2013 | $9.04 | $9.93 | $8.37 | $8.53 | -5.12% | 29,457,600 |
| Jun 2013 | $9.32 | $10.05 | $8.62 | $8.99 | -3.33% | 29,260,700 |
| May 2013 | $8.85 | $9.90 | $8.55 | $9.30 | +7.14% | 26,339,000 |
| Apr 2013 | $7.98 | $8.69 | $7.11 | $8.68 | +12.58% | 43,403,600 |
| Mar 2013 | $7.87 | $8.20 | $7.51 | $7.71 | -3.02% | 27,991,700 |
| Feb 2013 | $8.88 | $9.09 | $7.65 | $7.95 | -7.88% | 30,652,200 |
| Jan 2013 | $7.32 | $8.88 | $7.22 | $8.63 | +19.20% | 37,576,700 |
| Dec 2012 | $6.35 | $7.25 | $6.24 | $7.24 | +13.84% | 23,690,100 |
| Nov 2012 | $5.96 | $6.37 | $5.31 | $6.36 | +7.98% | 31,616,100 |
| Oct 2012 | $5.55 | $6.51 | $5.54 | $5.89 | +9.07% | 34,868,900 |
| Sep 2012 | $5.89 | $6.77 | $5.37 | $5.40 | -9.09% | 30,050,400 |
| Aug 2012 | $5.51 | $6.18 | $5.14 | $5.94 | +10.82% | 31,175,200 |
| Jul 2012 | $5.45 | $5.48 | $4.51 | $5.36 | -1.47% | 33,802,200 |
| Jun 2012 | $4.95 | $5.85 | $4.83 | $5.44 | +6.25% | 41,531,100 |
| May 2012 | $5.78 | $5.96 | $4.61 | $5.12 | -11.42% | 54,901,900 |
| Apr 2012 | $7.97 | $8.15 | $5.58 | $5.78 | -29.43% | 55,703,000 |
| Mar 2012 | $7.50 | $8.60 | $6.72 | $8.19 | +10.38% | 47,934,300 |
| Feb 2012 | $6.94 | $7.70 | $6.68 | $7.42 | +11.08% | 39,718,600 |
| Jan 2012 | $6.45 | $7.39 | $6.03 | $6.68 | +12.65% | 36,310,300 |
| Dec 2011 | $6.34 | $6.43 | $5.34 | $5.93 | -6.32% | 30,842,600 |
| Nov 2011 | $6.44 | $7.53 | $5.61 | $6.33 | -8.66% | 40,718,700 |
| Oct 2011 | $6.36 | $7.65 | $5.96 | $6.93 | +6.62% | 56,565,300 |
| Sep 2011 | $6.55 | $7.12 | $5.61 | $6.50 | -2.40% | 82,961,200 |
| Aug 2011 | $7.88 | $7.90 | $6.00 | $6.66 | -15.80% | 81,539,300 |
| Jul 2011 | $9.99 | $10.37 | $7.80 | $7.91 | -20.58% | 53,801,400 |
| Jun 2011 | $10.99 | $11.13 | $9.06 | $9.96 | -10.83% | 39,976,400 |
| May 2011 | $11.77 | $11.94 | $10.88 | $11.17 | -5.98% | 33,264,500 |
| Apr 2011 | $12.35 | $12.85 | $11.29 | $11.88 | -4.35% | 37,162,200 |
| Mar 2011 | $12.84 | $13.53 | $11.32 | $12.42 | -3.27% | 66,016,200 |
| Feb 2011 | $12.27 | $12.99 | $11.63 | $12.84 | +5.94% | 33,941,300 |
| Jan 2011 | $10.61 | $12.29 | $10.60 | $12.12 | +16.09% | 42,791,500 |
| Dec 2010 | $9.01 | $10.51 | $8.96 | $10.44 | +16.65% | 29,266,700 |
| Nov 2010 | $8.78 | $9.34 | $8.55 | $8.95 | +2.05% | 33,965,400 |
| Oct 2010 | $7.65 | $8.82 | $7.22 | $8.77 | +14.94% | 33,591,800 |
| Sep 2010 | $6.89 | $7.83 | $6.89 | $7.63 | +16.49% | 30,596,600 |
| Aug 2010 | $8.33 | $8.45 | $6.51 | $6.55 | -20.02% | 48,175,200 |
| Jul 2010 | $8.05 | $8.86 | $7.82 | $8.19 | +3.54% | 52,242,800 |
| Jun 2010 | $7.65 | $8.95 | $7.61 | $7.91 | +2.20% | 53,923,100 |
| May 2010 | $9.31 | $9.39 | $7.28 | $7.74 | -15.87% | 74,297,800 |
| Apr 2010 | $10.15 | $10.73 | $9.11 | $9.20 | -6.69% | 39,337,400 |
| Mar 2010 | $8.74 | $9.97 | $8.70 | $9.86 | +13.73% | 29,004,800 |
| Feb 2010 | $8.36 | $8.77 | $7.87 | $8.67 | +6.51% | 32,679,000 |
| Jan 2010 | $9.34 | $9.50 | $8.10 | $8.14 | -12.19% | 51,054,700 |
| Dec 2009 | $8.29 | $9.46 | $8.23 | $9.27 | +14.44% | 40,988,900 |
| Nov 2009 | $8.07 | $9.05 | $7.86 | $8.10 | +1.76% | 37,335,200 |
| Oct 2009 | $9.38 | $10.28 | $7.93 | $7.96 | -15.59% | 48,398,200 |
| Sep 2009 | $8.71 | $9.99 | $8.24 | $9.43 | +8.89% | 33,636,700 |
| Aug 2009 | $7.78 | $8.87 | $7.15 | $8.66 | +14.10% | 25,023,700 |
| Jul 2009 | $7.62 | $8.00 | $6.89 | $7.59 | +1.07% | 33,413,200 |
| Jun 2009 | $7.57 | $8.30 | $7.03 | $7.51 | +2.04% | 37,088,200 |
| May 2009 | $6.35 | $7.40 | $6.00 | $7.36 | +12.02% | 33,557,100 |
| Apr 2009 | $4.99 | $6.74 | $4.97 | $6.57 | +32.46% | 32,219,800 |
| Mar 2009 | $4.28 | $5.13 | $3.73 | $4.96 | +11.46% | 44,963,000 |
| Feb 2009 | $5.08 | $5.88 | $4.35 | $4.45 | -13.93% | 27,879,700 |
| Jan 2009 | $6.45 | $7.15 | $5.08 | $5.17 | -22.26% | 35,772,800 |
| Dec 2008 | $6.32 | $7.27 | $5.90 | $6.65 | +0.61% | 33,197,900 |
| Nov 2008 | $8.49 | $9.11 | $6.22 | $6.61 | -19.98% | 34,088,600 |
| Oct 2008 | $9.99 | $10.46 | $7.42 | $8.26 | -18.86% | 71,694,000 |
| Sep 2008 | $13.74 | $13.74 | $9.75 | $10.18 | -22.35% | 69,296,700 |
| Aug 2008 | $11.28 | $13.43 | $11.00 | $13.11 | +18.54% | 46,165,200 |
| Jul 2008 | $10.19 | $11.63 | $10.02 | $11.06 | +7.07% | 66,050,800 |
| Jun 2008 | $12.63 | $12.86 | $10.33 | $10.33 | -20.72% | 48,824,100 |
| May 2008 | $11.43 | $13.56 | $11.41 | $13.03 | +13.11% | 61,464,800 |
| Apr 2008 | $10.87 | $11.93 | $10.39 | $11.52 | +8.07% | 58,964,800 |
| Mar 2008 | $11.91 | $11.91 | $9.88 | $10.66 | -11.09% | 70,981,200 |
| Feb 2008 | $12.53 | $12.97 | $11.39 | $11.99 | -3.46% | 55,466,500 |
| Jan 2008 | $14.33 | $14.35 | $11.42 | $12.42 | -13.15% | 45,610,100 |
| Dec 2007 | $15.42 | $15.78 | $14.22 | $14.30 | -6.04% | 26,299,200 |
| Nov 2007 | $16.72 | $17.25 | $14.91 | $15.22 | -11.05% | 32,006,500 |
| Oct 2007 | $16.71 | $17.36 | $15.72 | $17.11 | +2.15% | 35,292,400 |
| Sep 2007 | $17.43 | $17.87 | $16.05 | $16.75 | -3.79% | 25,676,200 |
| Aug 2007 | $17.31 | $18.14 | $15.85 | $17.41 | +1.46% | 51,169,300 |
| Jul 2007 | $19.37 | $20.17 | $16.94 | $17.16 | -10.58% | 46,272,200 |
| Jun 2007 | $19.31 | $19.49 | $18.55 | $19.19 | -0.47% | 44,018,300 |
| May 2007 | $19.43 | $20.72 | $19.15 | $19.28 | -0.92% | 50,568,000 |
| Apr 2007 | $19.23 | $20.84 | $19.15 | $19.46 | +1.35% | 39,670,300 |
| Mar 2007 | $18.84 | $19.54 | $18.41 | $19.20 | -1.34% | 38,380,100 |
| Feb 2007 | $18.68 | $20.18 | $18.40 | $19.46 | +3.90% | 36,130,100 |
| Jan 2007 | $18.56 | $19.40 | $17.97 | $18.73 | +1.79% | 32,219,500 |
| Dec 2006 | $18.16 | $18.82 | $17.84 | $18.40 | +1.55% | 29,063,700 |
| Nov 2006 | $17.35 | $18.66 | $16.91 | $18.12 | +4.38% | 36,815,800 |
| Oct 2006 | $17.13 | $17.82 | $16.49 | $17.36 | +0.58% | 29,986,400 |
| Sep 2006 | $16.44 | $17.80 | $15.75 | $17.26 | +4.67% | 24,308,200 |
| Aug 2006 | $14.78 | $16.97 | $14.59 | $16.49 | +10.23% | 18,077,300 |
| Jul 2006 | $16.18 | $16.28 | $14.55 | $14.96 | -6.91% | 17,704,800 |
| Jun 2006 | $16.22 | $16.76 | $14.83 | $16.07 | -2.01% | 18,791,100 |
| May 2006 | $18.25 | $18.76 | $16.00 | $16.40 | -10.38% | 20,664,400 |
| Apr 2006 | $18.46 | $19.60 | $18.11 | $18.30 | -0.49% | 18,390,200 |
| Mar 2006 | $17.15 | $18.58 | $16.67 | $18.39 | +8.50% | 18,513,000 |
| Feb 2006 | $18.38 | $18.58 | $16.90 | $16.95 | -8.03% | 13,695,800 |
| Jan 2006 | $18.30 | $19.90 | $18.23 | $18.43 | +2.39% | 22,427,800 |
| Dec 2005 | $17.94 | $18.86 | $17.86 | $18.00 | +2.27% | 15,018,600 |
| Nov 2005 | $16.27 | $17.75 | $16.15 | $17.60 | +6.86% | 19,094,300 |
| Oct 2005 | $17.44 | $17.63 | $15.98 | $16.47 | -4.69% | 23,091,000 |
| Sep 2005 | $16.52 | $17.77 | $16.27 | $17.28 | +4.35% | 19,197,200 |
| Aug 2005 | $17.29 | $17.76 | $16.21 | $16.56 | -4.00% | 15,947,100 |
| Jul 2005 | $16.07 | $18.34 | $15.58 | $17.25 | +8.22% | 27,579,300 |
| Jun 2005 | $15.71 | $16.50 | $15.33 | $15.94 | +2.38% | 19,630,600 |
| May 2005 | $14.09 | $15.74 | $13.96 | $15.57 | +9.65% | 22,773,700 |
| Apr 2005 | $16.81 | $16.85 | $14.00 | $14.20 | -14.77% | 29,581,500 |
| Mar 2005 | $18.01 | $18.38 | $16.49 | $16.66 | -6.35% | 24,707,700 |
| Feb 2005 | $16.95 | $18.01 | $16.26 | $17.79 | +6.34% | 24,264,700 |
| Jan 2005 | $19.40 | $19.47 | $16.13 | $16.73 | -13.41% | 33,268,600 |
| Dec 2004 | $19.90 | $20.68 | $18.78 | $19.32 | -3.40% | 26,174,300 |
| Nov 2004 | $18.51 | $21.16 | $18.27 | $20.00 | +8.05% | 37,854,600 |
| Oct 2004 | $17.49 | $18.58 | $17.01 | $18.51 | +7.12% | 40,393,700 |
| Sep 2004 | $16.95 | $18.79 | $16.36 | $17.28 | +0.99% | 38,399,400 |
| Aug 2004 | $18.30 | $18.69 | $16.54 | $17.11 | -8.31% | 30,104,700 |
| Jul 2004 | $22.12 | $22.14 | $17.93 | $18.66 | -15.22% | 40,501,300 |
| Jun 2004 | $22.14 | $22.90 | $20.91 | $22.01 | -2.39% | 21,906,000 |
| May 2004 | $22.12 | $22.75 | $20.32 | $22.55 | +3.58% | 27,186,300 |
| Apr 2004 | $24.09 | $24.82 | $21.65 | $21.77 | -7.75% | 30,203,700 |
| Mar 2004 | $25.75 | $26.50 | $22.27 | $23.60 | -8.70% | 36,025,000 |
| Feb 2004 | $26.98 | $27.67 | $25.64 | $25.85 | -3.69% | 33,769,800 |
| Jan 2004 | $27.54 | $29.90 | $26.65 | $26.84 | -0.63% | 34,081,500 |
| Dec 2003 | $28.38 | $28.67 | $25.84 | $27.01 | -3.09% | 41,116,100 |
| Nov 2003 | $26.99 | $28.41 | $26.35 | $27.87 | +4.62% | 32,320,300 |
| Oct 2003 | $24.34 | $28.16 | $24.13 | $26.64 | +10.77% | 40,877,100 |
| Sep 2003 | $24.41 | $27.35 | $24.05 | $24.05 | -3.57% | 54,954,700 |
| Aug 2003 | $21.39 | $25.05 | $20.17 | $24.94 | +16.60% | 43,458,200 |
| Jul 2003 | $20.79 | $23.89 | $20.46 | $21.39 | +2.89% | 42,958,000 |
| Jun 2003 | $23.27 | $24.15 | $20.75 | $20.79 | -8.86% | 34,772,100 |
| May 2003 | $20.59 | $22.93 | $20.04 | $22.81 | +10.78% | 31,175,600 |
| Apr 2003 | $18.70 | $21.48 | $18.00 | $20.59 | +8.94% | 35,151,700 |
| Mar 2003 | $18.82 | $22.00 | $17.11 | $18.90 | +1.56% | 33,546,100 |
| Feb 2003 | $18.28 | $18.93 | $16.67 | $18.61 | +1.36% | 29,860,500 |
| Jan 2003 | $20.25 | $22.65 | $17.86 | $18.36 | -5.89% | 41,476,900 |
| Dec 2002 | $26.49 | $26.59 | $19.34 | $19.51 | -23.19% | 33,809,100 |
| Nov 2002 | $19.40 | $26.19 | $18.97 | $25.40 | +29.13% | 40,601,700 |
| Oct 2002 | $13.80 | $20.29 | $11.00 | $19.67 | +45.38% | 52,604,400 |
| Sep 2002 | $19.51 | $19.67 | $13.02 | $13.53 | -32.82% | 37,592,600 |
| Aug 2002 | $21.00 | $23.09 | $17.55 | $20.14 | -5.40% | 26,201,800 |
| Jul 2002 | $24.91 | $26.29 | $20.48 | $21.29 | -12.49% | 41,369,000 |
| Jun 2002 | $27.00 | $27.04 | $21.38 | $24.33 | -9.55% | 32,487,100 |
| May 2002 | $30.89 | $31.44 | $26.90 | $26.90 | -12.63% | 37,932,700 |
| Apr 2002 | $33.73 | $34.44 | $30.25 | $30.79 | -9.23% | 26,340,200 |
| Mar 2002 | $29.79 | $34.94 | $29.79 | $33.92 | +15.14% | 23,183,700 |
| Feb 2002 | $31.10 | $31.31 | $27.62 | $29.46 | -5.91% | 19,851,300 |
| Jan 2002 | $33.10 | $35.81 | $29.40 | $31.31 | -1.14% | 32,475,100 |
| Dec 2001 | $33.04 | $38.37 | $30.00 | $31.67 | -5.88% | 31,770,900 |
| Nov 2001 | $28.75 | $35.90 | $28.09 | $33.65 | +20.31% | 34,371,800 |
| Oct 2001 | $21.49 | $30.76 | $21.31 | $27.97 | +30.15% | 50,471,600 |
| Sep 2001 | $29.98 | $30.50 | $17.89 | $21.49 | -30.07% | 34,710,700 |
| Aug 2001 | $33.81 | $35.44 | $30.29 | $30.73 | -3.49% | 29,150,500 |
| Jul 2001 | $33.58 | $34.35 | $27.70 | $31.84 | -4.93% | 23,010,800 |
| Jun 2001 | $34.72 | $38.95 | $30.51 | $33.49 | -5.79% | 30,798,500 |
| May 2001 | $40.40 | $42.30 | $35.18 | $35.55 | -12.11% | 25,620,400 |
| Apr 2001 | $33.25 | $41.12 | $31.05 | $40.45 | +18.38% | 39,360,400 |
| Mar 2001 | $29.80 | $38.40 | $29.35 | $34.17 | +8.82% | 43,496,200 |
| Feb 2001 | $47.30 | $47.60 | $31.20 | $31.40 | -33.50% | 30,020,200 |
| Jan 2001 | $41.00 | $48.70 | $37.00 | $47.22 | +10.29% | 41,031,400 |
| Dec 2000 | $43.63 | $51.44 | $40.69 | $42.81 | +5.06% | 31,055,800 |
| Nov 2000 | $50.00 | $52.25 | $39.06 | $40.75 | -21.54% | 43,971,600 |
| Oct 2000 | $49.81 | $52.38 | $40.06 | $51.94 | +8.77% | 48,574,700 |
| Sep 2000 | $62.63 | $63.31 | $46.94 | $47.75 | -22.59% | 28,466,000 |
| Aug 2000 | $57.81 | $63.19 | $50.56 | $61.69 | +8.34% | 30,546,400 |
| Jul 2000 | $63.63 | $68.13 | $54.00 | $56.94 | -11.30% | 32,882,400 |
| Jun 2000 | $60.88 | $69.94 | $60.00 | $64.19 | +6.87% | 29,866,000 |
| May 2000 | $64.92 | $69.54 | $48.50 | $60.06 | -5.01% | 31,018,000 |
| Apr 2000 | $59.38 | $65.17 | $46.88 | $63.23 | +1.34% | 46,233,600 |
| Mar 2000 | $67.00 | $72.96 | $57.00 | $62.40 | -6.41% | 41,541,300 |
| Feb 2000 | $56.17 | $73.88 | $55.33 | $66.67 | +18.78% | 41,502,600 |
| Jan 2000 | $53.33 | $58.00 | $40.67 | $56.13 | +11.18% | 39,508,500 |
| Dec 1999 | $41.63 | $51.33 | $41.00 | $50.48 | +21.09% | 47,244,300 |
| Nov 1999 | $30.29 | $44.00 | $29.88 | $41.69 | +37.62% | 57,526,200 |
| Oct 1999 | $25.13 | $30.58 | $25.00 | $30.29 | +22.70% | 50,339,100 |
| Sep 1999 | $22.08 | $27.13 | $21.27 | $24.69 | +10.44% | 95,484,900 |
| Aug 1999 | $23.46 | $25.35 | $21.71 | $22.35 | -4.88% | 26,707,200 |
| Jul 1999 | $23.08 | $26.21 | $21.33 | $23.50 | +1.71% | 33,468,300 |
| Jun 1999 | $19.58 | $24.17 | $18.67 | $23.10 | +19.38% | 46,136,100 |
| May 1999 | $17.04 | $21.33 | $16.98 | $19.35 | +13.85% | 35,692,200 |
| Apr 1999 | $16.58 | $20.28 | $16.33 | $17.00 | +5.02% | 35,211,600 |
| Mar 1999 | $14.00 | $17.08 | $13.42 | $16.19 | +11.16% | 35,488,200 |
| Feb 1999 | $17.75 | $17.81 | $14.08 | $14.56 | -16.39% | 38,035,200 |
| Jan 1999 | $13.85 | $17.94 | $13.50 | $17.42 | +33.87% | 35,824,200 |
| Dec 1998 | $11.02 | $13.81 | $10.63 | $13.01 | +16.29% | 34,803,600 |
| Nov 1998 | $10.54 | $12.08 | $10.09 | $11.19 | +10.38% | 31,261,800 |
| Oct 1998 | $7.17 | $10.40 | $5.98 | $10.14 | +35.33% | 47,370,000 |
| Sep 1998 | $8.94 | $10.65 | $7.33 | $7.49 | -13.89% | 31,327,800 |
| Aug 1998 | $10.65 | $11.67 | $8.69 | $8.70 | -17.98% | 28,120,800 |
| Jul 1998 | $11.75 | $12.08 | $10.16 | $10.60 | -8.94% | 37,686,000 |
| Jun 1998 | $12.89 | $13.21 | $10.75 | $11.65 | -9.69% | 65,948,400 |
| May 1998 | $14.08 | $15.29 | $12.81 | $12.90 | -8.43% | 22,244,400 |
| Apr 1998 | $12.92 | $15.29 | $11.73 | $14.08 | +8.94% | 23,341,200 |
| Mar 1998 | $12.70 | $13.06 | $10.93 | $12.93 | +1.89% | 27,424,800 |
| Feb 1998 | $10.96 | $13.13 | $10.83 | $12.69 | +12.05% | 20,441,400 |
| Jan 1998 | $10.26 | $11.82 | $8.54 | $11.32 | +11.26% | 28,339,800 |
| Dec 1997 | $11.88 | $12.50 | $8.58 | $10.18 | -13.00% | 34,543,800 |
| Nov 1997 | $12.17 | $12.96 | $10.73 | $11.70 | -1.49% | 21,667,800 |
| Oct 1997 | $15.67 | $15.67 | $10.94 | $11.88 | -24.10% | 33,850,800 |
| Sep 1997 | $15.83 | $16.25 | $13.99 | $15.65 | +1.08% | 19,654,200 |
| Aug 1997 | $15.02 | $16.51 | $14.79 | $15.48 | +1.64% | 15,661,200 |
| Jul 1997 | $13.50 | $15.50 | $13.43 | $15.23 | +14.22% | 17,589,600 |
| Jun 1997 | $13.83 | $14.00 | $12.35 | $13.33 | -4.19% | 35,598,600 |
| May 1997 | $12.98 | $14.67 | $12.44 | $13.92 | +6.54% | 30,086,400 |
| Apr 1997 | $11.15 | $13.58 | $10.42 | $13.06 | +18.75% | 36,759,600 |
| Mar 1997 | $10.96 | $12.65 | $10.88 | $11.00 | 0.00% | 20,017,200 |
| Feb 1997 | $12.00 | $12.08 | $10.63 | $11.00 | -6.71% | 19,764,600 |
| Jan 1997 | $11.71 | $13.48 | $10.75 | $11.79 | +1.07% | 52,611,000 |
| Dec 1996 | $11.08 | $12.10 | $10.79 | $11.67 | +5.07% | 20,617,200 |
| Nov 1996 | $8.75 | $11.21 | $8.75 | $11.10 | +27.21% | 32,028,600 |
| Oct 1996 | $7.88 | $9.58 | $7.25 | $8.73 | +10.55% | 36,917,400 |
| Sep 1996 | $6.85 | $8.35 | $6.54 | $7.90 | +15.90% | 32,873,400 |
| Aug 1996 | $5.73 | $6.83 | $5.73 | $6.81 | +18.48% | 19,797,600 |
| Jul 1996 | $6.00 | $6.46 | $4.92 | $5.75 | -3.83% | 42,342,600 |
| Jun 1996 | $7.04 | $7.04 | $5.71 | $5.98 | -14.58% | 27,404,400 |
| May 1996 | $7.83 | $7.90 | $6.65 | $7.00 | -10.64% | 21,805,200 |
| Apr 1996 | $6.06 | $8.04 | $5.83 | $7.83 | +29.65% | 31,650,600 |
| Mar 1996 | $6.25 | $6.48 | $5.50 | $6.04 | -1.69% | 31,554,000 |
| Feb 1996 | $6.00 | $6.92 | $5.88 | $6.15 | +1.72% | 25,392,000 |
| Jan 1996 | $6.75 | $6.81 | $4.75 | $6.04 | -9.94% | 50,715,600 |
| Dec 1995 | $6.21 | $6.92 | $4.65 | $6.71 | +8.05% | 59,796,000 |
| Nov 1995 | $7.54 | $7.92 | $6.08 | $6.21 | -17.68% | 23,494,200 |
| Oct 1995 | $8.10 | $8.17 | $6.73 | $7.54 | -6.94% | 47,225,400 |
| Sep 1995 | $8.04 | $9.13 | $7.33 | $8.10 | +1.04% | 11,063,400 |
| Aug 1995 | $7.88 | $9.58 | $7.75 | $8.02 | +1.85% | 13,375,200 |
| Jul 1995 | $6.73 | $8.54 | $6.73 | $7.88 | +16.31% | 18,853,800 |
| Jun 1995 | $5.83 | $6.98 | $5.79 | $6.77 | +15.25% | 12,379,800 |
| May 1995 | $6.23 | $6.29 | $5.58 | $5.88 | -5.37% | 8,329,200 |
| Apr 1995 | $4.96 | $6.42 | $4.96 | $6.21 | +25.21% | 9,012,600 |
| Mar 1995 | $4.15 | $5.42 | $4.15 | $4.96 | +19.00% | 17,935,200 |
| Feb 1995 | $4.17 | $4.40 | $4.13 | $4.17 | +0.50% | 8,768,400 |
| Jan 1995 | $3.79 | $4.48 | $3.75 | $4.15 | +9.34% | 13,864,800 |
| Dec 1994 | $3.71 | $3.79 | $3.60 | $3.79 | – | 52,908,000 |
Seasonality
STM 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 | 6.6% | 3.6% | -3.1% | 6.1% | 4.5% | 2.4% | 0.1% | -1.1% | -0.5% | -1.6% | 7.8% | 0.5% |
| Months up | 7 of 10 | 6 of 10 | 4 of 10 | 5 of 10 | 8 of 10 | 5 of 10 | 6 of 10 | 4 of 10 | 5 of 10 | 4 of 10 | 5 of 9 | 4 of 9 |
| 2026 | 7.5% | 20.5% | 3.1% | 59.6% | 25.7% | 8.2% | -30.0% | -4.3% | 6.6% | -12.4% | ||
| 2025 | -10.1% | 10.0% | -10.7% | 3.4% | 10.1% | 22.0% | -16.4% | 6.1% | 5.0% | -13.4% | -6.0% | 13.2% |
| 2024 | -12.0% | 3.4% | -5.1% | -8.5% | 6.1% | -6.2% | -14.1% | -5.4% | -6.6% | -8.7% | -6.0% | -1.7% |
| 2023 | 32.8% | 2.0% | 11.2% | -19.8% | 1.3% | 15.2% | 7.4% | -12.0% | -8.5% | -12.0% | 24.9% | 5.8% |
| 2022 | -4.0% | -9.8% | 2.3% | -15.3% | 9.4% | -21.3% | 20.6% | -8.0% | -11.2% | 0.6% | 24.9% | -8.4% |
| 2021 | 7.6% | -2.7% | -1.3% | -2.7% | 0.1% | -2.4% | 13.4% | 7.7% | -1.7% | 9.2% | 1.9% | 0.8% |
| 2020 | 3.5% | -1.6% | -21.8% | 19.7% | -2.8% | 10.5% | 1.9% | 8.3% | 1.6% | -0.5% | 29.8% | -6.3% |
| 2019 | 14.1% | 3.3% | -8.9% | 23.6% | -18.0% | 17.6% | 3.6% | -3.0% | 9.6% | 17.3% | 7.5% | 10.7% |
| 2018 | 9.4% | -4.6% | -2.0% | -2.5% | 9.8% | -7.1% | -2.5% | -4.1% | -11.1% | -17.0% | -2.5% | -6.1% |
| 2017 | 16.7% | 15.3% | 1.7% | 3.4% | 3.0% | -12.3% | 17.2% | 3.5% | 11.7% | 21.4% | -4.0% | -3.2% |