Costco Wholesale Corp (COST) stock
COSTNasdaqRetail-Variety StoresFiscal year ends August 30
Financials through Q4 FY2026, quarter ended Aug 30, 2026Last filing: 10-K on Oct 7, 2026Score 17/3057% above fair value
$1012.28+16.20 (+1.63%)
Close on Oct 30, 2026Market cap $448.93BP/E 48.8Yield 0.55%
Price history
Costco Wholesale share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$1,012.28
+1.63% on the day
52-week range
$844.06 – $1,096.50
-7.7% from the high
Change over 52 weeks
+10.0%
From $920.18 on Oct 30, 2025
Average volume
2.23M
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $910.87 | $1,021.45 | $903.78 | $1,012.28 | +11.20% | 47,140,961 |
| Sep 2026 | $947.35 | $952.10 | $883.10 | $910.34 | -3.55% | 49,788,198 |
| Aug 2026 | $965.15 | $978.70 | $925.77 | $943.89 | -0.84% | 37,297,448 |
| Jul 2026 | $940.43 | $987.55 | $907.21 | $951.89 | +1.76% | 50,056,629 |
| Jun 2026 | $955.00 | $997.41 | $932.41 | $935.47 | -2.18% | 53,972,555 |
| May 2026 | $1,015.38 | $1,096.50 | $945.45 | $956.32 | -5.74% | 46,869,590 |
| Apr 2026 | $995.03 | $1,035.82 | $966.00 | $1,014.53 | +1.82% | 37,363,545 |
| Mar 2026 | $1,010.91 | $1,020.82 | $960.46 | $996.43 | -1.42% | 39,158,973 |
| Feb 2026 | $944.23 | $1,028.44 | $931.27 | $1,010.79 | +7.50% | 41,960,879 |
| Jan 2026 | $861.14 | $993.00 | $852.50 | $940.25 | +9.03% | 55,387,522 |
| Dec 2025 | $913.20 | $926.32 | $844.06 | $862.34 | -5.61% | 63,750,195 |
| Nov 2025 | $912.40 | $945.28 | $873.97 | $913.59 | +0.23% | 48,515,169 |
| Oct 2025 | $923.00 | $964.00 | $903.88 | $911.45 | -1.53% | 53,321,900 |
| Sep 2025 | $938.66 | $981.00 | $903.29 | $925.63 | -1.88% | 50,816,312 |
| Aug 2025 | $939.50 | $999.30 | $933.25 | $943.32 | +0.39% | 47,760,824 |
| Jul 2025 | $990.00 | $996.84 | $925.00 | $939.64 | -5.08% | 45,293,695 |
| Jun 2025 | $1,034.27 | $1,067.08 | $973.90 | $989.94 | -4.83% | 41,991,726 |
| May 2025 | $990.10 | $1,052.49 | $983.00 | $1,040.18 | +4.59% | 43,842,022 |
| Apr 2025 | $942.42 | $999.92 | $871.71 | $994.50 | +5.15% | 58,246,248 |
| Mar 2025 | $1,051.74 | $1,066.00 | $881.56 | $945.78 | -9.81% | 55,506,371 |
| Feb 2025 | $972.39 | $1,078.24 | $968.94 | $1,048.61 | +7.01% | 36,727,841 |
| Jan 2025 | $915.00 | $991.00 | $902.00 | $979.88 | +6.94% | 38,426,686 |
| Dec 2024 | $971.36 | $1,008.25 | $912.54 | $916.27 | -5.72% | 44,508,096 |
| Nov 2024 | $874.27 | $976.30 | $867.34 | $971.88 | +11.18% | 39,059,694 |
| Oct 2024 | $885.25 | $910.00 | $867.16 | $874.18 | -1.39% | 35,631,743 |
| Sep 2024 | $896.68 | $923.83 | $868.70 | $886.52 | -0.66% | 40,583,947 |
| Aug 2024 | $818.55 | $918.93 | $793.00 | $892.38 | +8.56% | 39,311,365 |
| Jul 2024 | $853.50 | $896.67 | $803.28 | $822.00 | -3.29% | 45,968,226 |
| Jun 2024 | $811.00 | $873.96 | $807.13 | $849.99 | +4.95% | 34,577,403 |
| May 2024 | $722.27 | $819.50 | $715.32 | $809.89 | +12.03% | 40,182,399 |
| Apr 2024 | $731.76 | $741.00 | $697.27 | $722.90 | -1.33% | 38,060,531 |
| Mar 2024 | $740.44 | $787.08 | $711.01 | $732.63 | -1.51% | 50,456,225 |
| Feb 2024 | $694.00 | $752.56 | $691.50 | $743.89 | +7.05% | 37,074,354 |
| Jan 2024 | $655.58 | $705.52 | $640.51 | $694.88 | +5.27% | 44,189,099 |
| Dec 2023 | $593.28 | $681.91 | $590.59 | $660.08 | +11.36% | 54,552,083 |
| Nov 2023 | $555.00 | $599.94 | $549.65 | $592.74 | +7.29% | 34,718,789 |
| Oct 2023 | $567.91 | $577.30 | $540.23 | $552.44 | -2.22% | 39,767,139 |
| Sep 2023 | $553.07 | $572.18 | $540.18 | $564.96 | +2.85% | 33,942,850 |
| Aug 2023 | $560.63 | $569.21 | $530.56 | $549.28 | -2.03% | 32,429,328 |
| Jul 2023 | $537.25 | $571.16 | $524.63 | $560.67 | +4.14% | 36,897,870 |
| Jun 2023 | $509.33 | $539.56 | $502.10 | $538.38 | +5.24% | 35,247,990 |
| May 2023 | $499.15 | $514.80 | $476.75 | $511.56 | +1.66% | 43,434,943 |
| Apr 2023 | $496.50 | $513.13 | $477.50 | $503.22 | +1.28% | 33,747,545 |
| Mar 2023 | $481.10 | $499.86 | $465.33 | $496.87 | +2.62% | 48,895,306 |
| Feb 2023 | $508.31 | $530.05 | $483.78 | $484.18 | -5.27% | 31,624,150 |
| Jan 2023 | $458.00 | $511.41 | $447.90 | $511.14 | +11.97% | 40,977,723 |
| Dec 2022 | $519.14 | $519.14 | $450.75 | $456.50 | -15.35% | 54,990,841 |
| Nov 2022 | $503.70 | $542.58 | $474.50 | $539.25 | +7.53% | 40,656,894 |
| Oct 2022 | $474.50 | $512.82 | $449.03 | $501.50 | +6.19% | 44,909,971 |
| Sep 2022 | $519.72 | $542.60 | $463.53 | $472.27 | -9.54% | 49,753,648 |
| Aug 2022 | $541.42 | $564.75 | $520.26 | $522.10 | -3.55% | 42,249,056 |
| Jul 2022 | $481.18 | $542.12 | $478.00 | $541.30 | +12.94% | 46,977,046 |
| Jun 2022 | $469.38 | $491.13 | $443.20 | $479.28 | +2.80% | 54,379,810 |
| May 2022 | $532.23 | $546.14 | $406.51 | $466.22 | -12.32% | 80,773,806 |
| Apr 2022 | $577.38 | $612.27 | $529.70 | $531.72 | -7.66% | 49,745,473 |
| Mar 2022 | $519.46 | $586.32 | $511.78 | $575.85 | +10.90% | 59,733,465 |
| Feb 2022 | $505.00 | $534.24 | $482.98 | $519.25 | +2.80% | 41,865,612 |
| Jan 2022 | $565.03 | $568.72 | $469.01 | $505.13 | -11.02% | 57,982,311 |
| Dec 2021 | $543.10 | $571.49 | $514.04 | $567.70 | +5.25% | 60,755,777 |
| Nov 2021 | $494.15 | $560.78 | $487.20 | $539.38 | +9.73% | 42,990,025 |
| Oct 2021 | $449.73 | $494.17 | $436.17 | $491.54 | +9.39% | 35,622,174 |
| Sep 2021 | $455.48 | $470.49 | $445.67 | $449.35 | -1.35% | 39,314,008 |
| Aug 2021 | $430.62 | $460.62 | $425.48 | $455.49 | +6.00% | 35,696,577 |
| Jul 2021 | $396.30 | $431.50 | $393.88 | $429.72 | +8.61% | 37,238,507 |
| Jun 2021 | $379.93 | $400.47 | $375.50 | $395.67 | +4.60% | 39,480,208 |
| May 2021 | $373.84 | $389.45 | $371.11 | $378.27 | +1.66% | 43,493,326 |
| Apr 2021 | $352.54 | $375.44 | $351.63 | $372.09 | +5.56% | 41,460,623 |
| Mar 2021 | $335.21 | $357.77 | $307.00 | $352.48 | +6.49% | 92,438,155 |
| Feb 2021 | $351.21 | $361.67 | $330.94 | $331.00 | -6.08% | 46,558,916 |
| Jan 2021 | $377.43 | $381.55 | $351.88 | $352.43 | -6.46% | 49,704,177 |
| Dec 2020 | $384.50 | $388.07 | $359.50 | $376.78 | -3.83% | 55,510,670 |
| Nov 2020 | $362.22 | $393.15 | $360.59 | $391.77 | +9.55% | 43,402,967 |
| Oct 2020 | $356.26 | $384.87 | $352.85 | $357.62 | +0.74% | 42,961,703 |
| Sep 2020 | $345.71 | $363.67 | $331.20 | $355.00 | +2.11% | 58,597,417 |
| Aug 2020 | $325.55 | $349.06 | $324.30 | $347.66 | +6.80% | 40,193,820 |
| Jul 2020 | $302.50 | $331.49 | $300.75 | $325.53 | +7.36% | 46,033,657 |
| Jun 2020 | $307.90 | $315.35 | $293.84 | $303.21 | -1.71% | 62,710,501 |
| May 2020 | $301.78 | $311.83 | $294.54 | $308.47 | +1.81% | 60,929,653 |
| Apr 2020 | $282.36 | $322.63 | $280.90 | $303.00 | +6.27% | 74,418,133 |
| Mar 2020 | $294.44 | $324.51 | $276.34 | $285.13 | +1.42% | 125,490,902 |
| Feb 2020 | $307.00 | $325.26 | $271.28 | $281.14 | -7.98% | 43,445,721 |
| Jan 2020 | $294.06 | $314.28 | $288.62 | $305.52 | +3.95% | 43,448,331 |
| Dec 2019 | $299.75 | $300.20 | $289.10 | $293.92 | -1.96% | 45,923,867 |
| Nov 2019 | $297.99 | $307.10 | $295.17 | $299.81 | +0.91% | 33,525,857 |
| Oct 2019 | $288.04 | $304.88 | $281.60 | $297.11 | +3.12% | 47,729,840 |
| Sep 2019 | $292.57 | $307.34 | $284.40 | $288.11 | -2.26% | 47,741,002 |
| Aug 2019 | $275.75 | $299.95 | $262.71 | $294.76 | +6.94% | 50,021,810 |
| Jul 2019 | $266.43 | $284.31 | $261.67 | $275.63 | +4.30% | 32,130,356 |
| Jun 2019 | $239.78 | $268.94 | $238.08 | $264.26 | +10.30% | 34,371,344 |
| May 2019 | $245.34 | $251.01 | $233.05 | $239.58 | -2.42% | 39,655,921 |
| Apr 2019 | $243.07 | $248.70 | $240.31 | $245.53 | +1.40% | 32,090,289 |
| Mar 2019 | $219.76 | $242.44 | $215.77 | $242.14 | +10.70% | 49,887,912 |
| Feb 2019 | $214.00 | $219.69 | $205.75 | $218.74 | +1.91% | 37,479,582 |
| Jan 2019 | $200.50 | $215.56 | $199.85 | $214.63 | +5.36% | 44,399,790 |
| Dec 2018 | $230.72 | $233.86 | $189.51 | $203.71 | -11.92% | 63,447,670 |
| Nov 2018 | $228.18 | $240.88 | $217.45 | $231.28 | +1.16% | 46,913,873 |
| Oct 2018 | $235.81 | $237.57 | $217.00 | $228.63 | -2.66% | 64,307,189 |
| Sep 2018 | $233.14 | $245.16 | $231.51 | $234.88 | +0.75% | 41,314,892 |
| Aug 2018 | $218.65 | $233.52 | $215.01 | $233.13 | +6.59% | 41,179,666 |
| Jul 2018 | $208.42 | $224.62 | $206.05 | $218.71 | +4.66% | 36,197,047 |
| Jun 2018 | $195.45 | $212.46 | $195.00 | $208.98 | +5.42% | 44,658,973 |
| May 2018 | $196.49 | $201.77 | $190.18 | $198.24 | +0.55% | 42,918,201 |
| Apr 2018 | $186.91 | $199.04 | $180.94 | $197.16 | +4.63% | 43,553,699 |
| Mar 2018 | $191.31 | $192.99 | $180.83 | $188.43 | -1.29% | 55,691,602 |
| Feb 2018 | $193.41 | $195.52 | $175.79 | $190.90 | -2.04% | 43,104,178 |
| Jan 2018 | $187.23 | $199.88 | $183.88 | $194.87 | +4.70% | 56,808,833 |
| Dec 2017 | $183.26 | $195.35 | $181.13 | $186.12 | +0.92% | 60,197,937 |
| Nov 2017 | $161.97 | $184.90 | $161.29 | $184.43 | +14.50% | 57,890,868 |
| Oct 2017 | $164.92 | $167.29 | $154.11 | $161.08 | -1.95% | 88,689,838 |
| Sep 2017 | $157.59 | $165.32 | $155.03 | $164.29 | +4.82% | 49,987,251 |
| Aug 2017 | $159.10 | $162.35 | $150.06 | $156.74 | -1.12% | 78,650,385 |
| Jul 2017 | $160.21 | $161.35 | $150.00 | $158.51 | -0.89% | 93,041,629 |
| Jun 2017 | $180.81 | $182.72 | $156.56 | $159.93 | -11.36% | 110,550,272 |
| May 2017 | $178.50 | $183.18 | $169.06 | $180.43 | +1.64% | 53,632,771 |
| Apr 2017 | $167.74 | $178.27 | $166.11 | $177.52 | +5.86% | 36,618,376 |
| Mar 2017 | $177.37 | $178.71 | $164.10 | $167.69 | -5.36% | 58,739,644 |
| Feb 2017 | $163.84 | $177.87 | $161.81 | $177.18 | +8.07% | 48,164,029 |
| Jan 2017 | $160.65 | $164.80 | $158.51 | $163.95 | +2.40% | 36,691,903 |
| Dec 2016 | $150.11 | $164.95 | $150.11 | $160.11 | +6.66% | 48,108,143 |
| Nov 2016 | $148.48 | $153.42 | $142.11 | $150.11 | +1.51% | 51,198,545 |
| Oct 2016 | $152.22 | $152.32 | $147.10 | $147.87 | -3.04% | 46,455,890 |
| Sep 2016 | $159.00 | $159.28 | $147.20 | $152.51 | -5.91% | 60,766,000 |
| Aug 2016 | $167.15 | $169.59 | $161.15 | $162.09 | -3.07% | 34,033,800 |
| Jul 2016 | $157.19 | $168.82 | $154.67 | $167.22 | +6.48% | 43,086,800 |
| Jun 2016 | $150.50 | $158.79 | $148.55 | $157.04 | +5.56% | 55,950,500 |
| May 2016 | $148.76 | $153.88 | $138.57 | $148.77 | +0.43% | 69,436,400 |
| Apr 2016 | $157.87 | $159.09 | $147.46 | $148.13 | -6.00% | 42,835,300 |
| Mar 2016 | $150.40 | $159.80 | $147.10 | $157.58 | +5.03% | 51,290,800 |
| Feb 2016 | $150.84 | $154.88 | $141.62 | $150.03 | -0.72% | 54,382,400 |
| Jan 2016 | $159.81 | $161.23 | $144.91 | $151.12 | -6.43% | 48,510,000 |
| Dec 2015 | $162.02 | $169.73 | $157.33 | $161.50 | +0.05% | 54,513,100 |
| Nov 2015 | $158.99 | $164.47 | $153.23 | $161.42 | +2.09% | 39,892,100 |
| Oct 2015 | $144.85 | $159.40 | $142.19 | $158.12 | +9.37% | 46,356,600 |
| Sep 2015 | $137.58 | $146.90 | $137.50 | $144.57 | +3.23% | 39,105,000 |
| Aug 2015 | $145.78 | $147.59 | $117.03 | $140.05 | -3.61% | 43,378,800 |
| Jul 2015 | $135.79 | $147.00 | $135.06 | $145.30 | +7.58% | 40,333,900 |
| Jun 2015 | $143.05 | $143.25 | $134.73 | $135.06 | -5.28% | 43,415,400 |
| May 2015 | $143.46 | $147.56 | $141.53 | $142.59 | -0.32% | 40,758,600 |
| Apr 2015 | $151.83 | $152.95 | $142.54 | $143.05 | -5.58% | 39,579,200 |
| Mar 2015 | $147.32 | $154.23 | $145.78 | $151.50 | +3.09% | 48,746,100 |
| Feb 2015 | $144.00 | $156.85 | $140.13 | $146.96 | +2.78% | 62,314,000 |
| Jan 2015 | $141.87 | $146.10 | $138.22 | $142.99 | +0.87% | 42,037,000 |
| Dec 2014 | $143.32 | $146.82 | $136.55 | $141.75 | -0.26% | 46,520,400 |
| Nov 2014 | $133.82 | $142.97 | $133.37 | $142.12 | +6.56% | 33,458,700 |
| Oct 2014 | $125.25 | $134.50 | $122.05 | $133.37 | +6.42% | 56,709,800 |
| Sep 2014 | $121.00 | $127.78 | $120.90 | $125.32 | +3.50% | 39,512,400 |
| Aug 2014 | $117.80 | $122.06 | $117.11 | $121.08 | +3.01% | 32,829,300 |
| Jul 2014 | $115.54 | $119.60 | $114.90 | $117.54 | +2.07% | 39,082,200 |
| Jun 2014 | $115.84 | $118.85 | $114.51 | $115.16 | -0.74% | 33,693,000 |
| May 2014 | $115.68 | $116.91 | $111.61 | $116.02 | +0.29% | 40,532,600 |
| Apr 2014 | $112.21 | $116.61 | $110.36 | $115.68 | +3.58% | 51,977,100 |
| Mar 2014 | $116.22 | $117.07 | $111.15 | $111.68 | -4.38% | 54,850,200 |
| Feb 2014 | $112.96 | $117.47 | $109.50 | $116.80 | +3.95% | 41,383,300 |
| Jan 2014 | $118.71 | $119.30 | $111.13 | $112.36 | -5.60% | 54,683,000 |
| Dec 2013 | $125.66 | $125.69 | $115.85 | $119.02 | -5.11% | 43,396,100 |
| Nov 2013 | $118.71 | $126.12 | $118.55 | $125.43 | +6.30% | 31,793,400 |
| Oct 2013 | $115.11 | $118.99 | $110.15 | $118.00 | +2.46% | 42,905,200 |
| Sep 2013 | $112.81 | $119.47 | $111.35 | $115.17 | +2.95% | 33,037,000 |
| Aug 2013 | $118.07 | $120.20 | $110.19 | $111.87 | -4.73% | 31,715,100 |
| Jul 2013 | $111.55 | $119.39 | $110.06 | $117.42 | +6.20% | 30,468,900 |
| Jun 2013 | $109.92 | $112.59 | $107.38 | $110.57 | +0.86% | 34,143,100 |
| May 2013 | $108.13 | $115.77 | $107.72 | $109.63 | +1.11% | 40,045,500 |
| Apr 2013 | $106.00 | $109.75 | $103.20 | $108.43 | +2.19% | 40,330,300 |
| Mar 2013 | $100.82 | $107.06 | $100.26 | $106.11 | +4.76% | 43,804,300 |
| Feb 2013 | $102.89 | $104.35 | $98.95 | $101.29 | -1.03% | 41,548,000 |
| Jan 2013 | $100.60 | $103.53 | $99.70 | $102.34 | +3.66% | 42,633,600 |
| Dec 2012 | $104.82 | $105.97 | $96.51 | $98.73 | -4.99% | 64,890,300 |
| Nov 2012 | $98.59 | $104.50 | $93.51 | $103.92 | +5.58% | 62,802,000 |
| Oct 2012 | $100.63 | $104.43 | $93.84 | $98.43 | -1.73% | 69,043,500 |
| Sep 2012 | $97.79 | $103.51 | $97.07 | $100.16 | +2.34% | 31,903,500 |
| Aug 2012 | $96.43 | $99.28 | $94.39 | $97.87 | +1.76% | 31,041,300 |
| Jul 2012 | $95.00 | $97.76 | $93.11 | $96.18 | +1.24% | 34,993,500 |
| Jun 2012 | $86.00 | $95.11 | $85.17 | $95.00 | +9.97% | 49,076,200 |
| May 2012 | $86.91 | $88.00 | $81.98 | $86.39 | -2.03% | 59,100,800 |
| Apr 2012 | $90.94 | $92.10 | $86.03 | $88.18 | -2.89% | 43,518,200 |
| Mar 2012 | $86.54 | $91.78 | $85.69 | $90.80 | +5.51% | 44,799,200 |
| Feb 2012 | $82.92 | $87.20 | $82.78 | $86.06 | +4.61% | 44,535,200 |
| Jan 2012 | $84.28 | $85.08 | $78.81 | $82.27 | -1.26% | 51,275,200 |
| Dec 2011 | $85.00 | $88.68 | $81.85 | $83.32 | -2.32% | 48,945,600 |
| Nov 2011 | $82.37 | $85.82 | $80.30 | $85.30 | +2.46% | 46,929,900 |
| Oct 2011 | $81.72 | $86.14 | $78.41 | $83.25 | +1.36% | 61,642,600 |
| Sep 2011 | $78.98 | $86.34 | $76.59 | $82.13 | +4.57% | 58,581,700 |
| Aug 2011 | $79.32 | $79.35 | $70.22 | $78.54 | +0.37% | 83,484,600 |
| Jul 2011 | $81.50 | $83.45 | $77.19 | $78.25 | -3.68% | 36,468,100 |
| Jun 2011 | $82.34 | $82.51 | $77.31 | $81.24 | -1.50% | 51,884,700 |
| May 2011 | $81.21 | $83.95 | $79.14 | $82.48 | +1.97% | 48,334,900 |
| Apr 2011 | $73.16 | $81.50 | $73.14 | $80.89 | +10.32% | 51,728,400 |
| Mar 2011 | $75.11 | $75.39 | $69.54 | $73.32 | -1.97% | 61,283,600 |
| Feb 2011 | $72.22 | $75.48 | $70.54 | $74.79 | +4.11% | 41,166,300 |
| Jan 2011 | $72.75 | $73.70 | $70.01 | $71.84 | -0.51% | 51,344,400 |
| Dec 2010 | $68.21 | $73.16 | $68.01 | $72.21 | +6.80% | 69,379,200 |
| Nov 2010 | $63.05 | $68.00 | $62.71 | $67.61 | +7.71% | 70,219,900 |
| Oct 2010 | $64.92 | $65.46 | $61.90 | $62.77 | -2.67% | 86,190,200 |
| Sep 2010 | $56.93 | $65.22 | $56.76 | $64.49 | +14.14% | 76,683,600 |
| Aug 2010 | $57.06 | $57.61 | $54.05 | $56.50 | -0.37% | 75,912,600 |
| Jul 2010 | $54.73 | $57.40 | $53.41 | $56.71 | +3.43% | 90,675,600 |
| Jun 2010 | $58.18 | $59.18 | $54.69 | $54.83 | -5.87% | 83,488,700 |
| May 2010 | $59.03 | $60.83 | $55.00 | $58.25 | -1.40% | 118,287,900 |
| Apr 2010 | $59.73 | $61.96 | $58.61 | $59.08 | -1.06% | 83,104,700 |
| Mar 2010 | $61.00 | $62.12 | $59.64 | $59.71 | -2.07% | 78,643,100 |
| Feb 2010 | $57.80 | $61.52 | $57.36 | $60.97 | +6.16% | 72,957,800 |
| Jan 2010 | $59.13 | $60.44 | $56.75 | $57.43 | -2.94% | 61,205,800 |
| Dec 2009 | $60.13 | $61.15 | $57.52 | $59.17 | -1.24% | 72,889,900 |
| Nov 2009 | $56.85 | $61.25 | $56.76 | $59.91 | +5.38% | 63,580,000 |
| Oct 2009 | $56.15 | $60.30 | $55.40 | $56.85 | +0.83% | 92,945,500 |
| Sep 2009 | $51.34 | $58.86 | $49.95 | $56.38 | +10.59% | 103,969,200 |
| Aug 2009 | $49.75 | $52.00 | $47.10 | $50.98 | +2.99% | 82,577,000 |
| Jul 2009 | $45.81 | $49.93 | $44.37 | $49.50 | +8.13% | 96,823,400 |
| Jun 2009 | $49.20 | $50.14 | $44.78 | $45.78 | -5.65% | 113,315,600 |
| May 2009 | $48.39 | $49.92 | $44.61 | $48.52 | -0.16% | 119,077,600 |
| Apr 2009 | $45.67 | $48.97 | $44.03 | $48.60 | +4.92% | 112,938,500 |
| Mar 2009 | $41.71 | $49.35 | $38.17 | $46.32 | +9.40% | 151,183,300 |
| Feb 2009 | $44.78 | $46.18 | $41.04 | $42.34 | -5.97% | 133,948,900 |
| Jan 2009 | $52.44 | $53.62 | $44.79 | $45.03 | -14.23% | 115,637,700 |
| Dec 2008 | $50.73 | $56.27 | $47.76 | $52.50 | +2.00% | 130,133,100 |
| Nov 2008 | $56.53 | $56.83 | $43.88 | $51.47 | -9.72% | 134,303,900 |
| Oct 2008 | $64.00 | $65.12 | $48.66 | $57.01 | -12.20% | 186,164,000 |
| Sep 2008 | $68.15 | $71.00 | $62.00 | $64.93 | -3.18% | 133,535,900 |
| Aug 2008 | $63.11 | $68.97 | $61.59 | $67.06 | +6.99% | 99,945,200 |
| Jul 2008 | $69.42 | $74.89 | $60.24 | $62.68 | -10.64% | 190,949,900 |
| Jun 2008 | $71.45 | $73.57 | $67.14 | $70.14 | -1.65% | 127,820,800 |
| May 2008 | $70.78 | $75.23 | $68.90 | $71.32 | +0.10% | 102,556,200 |
| Apr 2008 | $65.18 | $72.24 | $64.97 | $71.25 | +9.67% | 86,953,200 |
| Mar 2008 | $61.91 | $67.95 | $59.66 | $64.97 | +4.93% | 124,947,000 |
| Feb 2008 | $68.11 | $68.42 | $61.64 | $61.92 | -8.86% | 116,784,000 |
| Jan 2008 | $69.63 | $70.45 | $62.38 | $67.94 | -2.61% | 147,585,600 |
| Dec 2007 | $67.40 | $72.68 | $65.10 | $69.76 | +3.50% | 95,612,600 |
| Nov 2007 | $66.70 | $68.33 | $63.15 | $67.40 | +0.21% | 93,320,600 |
| Oct 2007 | $61.52 | $70.55 | $61.16 | $67.26 | +9.60% | 119,493,700 |
| Sep 2007 | $61.96 | $62.74 | $56.09 | $61.37 | -0.62% | 89,661,000 |
| Aug 2007 | $60.00 | $65.57 | $57.24 | $61.75 | +3.26% | 114,687,300 |
| Jul 2007 | $59.50 | $63.07 | $58.34 | $59.80 | +2.19% | 89,572,800 |
| Jun 2007 | $56.54 | $59.09 | $54.85 | $58.52 | +3.63% | 82,585,700 |
| May 2007 | $53.58 | $57.45 | $53.00 | $56.47 | +5.41% | 89,022,100 |
| Apr 2007 | $53.35 | $56.07 | $53.35 | $53.57 | -0.50% | 73,455,700 |
| Mar 2007 | $55.10 | $56.74 | $51.52 | $53.84 | -3.67% | 105,195,800 |
| Feb 2007 | $56.25 | $58.70 | $55.05 | $55.89 | -0.48% | 57,578,500 |
| Jan 2007 | $53.35 | $57.25 | $52.43 | $56.16 | +6.22% | 63,590,400 |
| Dec 2006 | $52.28 | $55.12 | $51.73 | $52.87 | +1.09% | 61,920,400 |
| Nov 2006 | $53.55 | $54.77 | $51.40 | $52.30 | -2.02% | 66,647,500 |
| Oct 2006 | $49.57 | $54.35 | $47.89 | $53.38 | +7.45% | 110,495,000 |
| Sep 2006 | $47.11 | $52.35 | $46.93 | $49.68 | +6.18% | 105,807,300 |
| Aug 2006 | $52.40 | $52.65 | $46.00 | $46.79 | -11.32% | 119,717,400 |
| Jul 2006 | $57.18 | $57.94 | $50.70 | $52.76 | -7.65% | 82,553,700 |
| Jun 2006 | $53.10 | $57.38 | $52.03 | $57.13 | +7.94% | 72,765,000 |
| May 2006 | $54.74 | $57.24 | $52.32 | $52.93 | -2.76% | 69,298,200 |
| Apr 2006 | $54.48 | $57.38 | $53.26 | $54.43 | +0.50% | 56,564,500 |
| Mar 2006 | $51.70 | $56.31 | $50.78 | $54.16 | +5.80% | 74,544,700 |
| Feb 2006 | $49.92 | $52.15 | $48.48 | $51.19 | +2.61% | 39,344,700 |
| Jan 2006 | $49.75 | $51.08 | $48.74 | $49.89 | +0.85% | 50,314,800 |
| Dec 2005 | $48.60 | $50.42 | $48.02 | $49.47 | -0.96% | 54,919,500 |
| Nov 2005 | $48.30 | $51.21 | $47.85 | $49.95 | +3.27% | 55,618,600 |
| Oct 2005 | $43.04 | $48.60 | $42.35 | $48.37 | +12.25% | 81,024,900 |
| Sep 2005 | $43.76 | $44.18 | $40.51 | $43.09 | -0.71% | 61,770,100 |
| Aug 2005 | $45.92 | $46.06 | $42.31 | $43.40 | -5.59% | 81,912,200 |
| Jul 2005 | $45.10 | $46.80 | $44.52 | $45.97 | +2.77% | 40,251,700 |
| Jun 2005 | $45.34 | $46.73 | $44.29 | $44.73 | -1.43% | 58,189,800 |
| May 2005 | $40.71 | $46.36 | $40.68 | $45.38 | +11.69% | 72,604,700 |
| Apr 2005 | $44.36 | $47.23 | $39.48 | $40.63 | -8.04% | 97,608,200 |
| Mar 2005 | $46.63 | $47.27 | $42.75 | $44.18 | -5.17% | 88,083,800 |
| Feb 2005 | $47.19 | $47.36 | $45.40 | $46.59 | -1.44% | 48,508,400 |
| Jan 2005 | $48.24 | $49.18 | $46.33 | $47.27 | -2.35% | 51,977,500 |
| Dec 2004 | $48.87 | $49.82 | $46.80 | $48.41 | -0.39% | 69,564,600 |
| Nov 2004 | $47.80 | $50.46 | $47.20 | $48.60 | +1.38% | 73,920,800 |
| Oct 2004 | $41.74 | $48.55 | $41.48 | $47.94 | +15.49% | 91,967,700 |
| Sep 2004 | $41.11 | $41.98 | $39.05 | $41.51 | +0.83% | 66,245,500 |
| Aug 2004 | $40.61 | $42.79 | $39.56 | $41.17 | +1.13% | 74,596,500 |
| Jul 2004 | $41.30 | $41.98 | $39.81 | $40.71 | -1.14% | 72,491,600 |
| Jun 2004 | $37.72 | $43.00 | $37.65 | $41.18 | +8.65% | 82,119,100 |
| May 2004 | $37.41 | $39.32 | $35.05 | $37.90 | +1.07% | 70,581,000 |
| Apr 2004 | $37.43 | $38.77 | $36.75 | $37.50 | -0.29% | 66,445,600 |
| Mar 2004 | $39.18 | $40.42 | $36.10 | $37.61 | -3.22% | 85,947,100 |
| Feb 2004 | $36.97 | $39.50 | $36.83 | $38.86 | +5.20% | 61,681,700 |
| Jan 2004 | $37.19 | $38.36 | $35.86 | $36.94 | -0.65% | 73,353,600 |
| Dec 2003 | $35.95 | $37.40 | $35.13 | $37.18 | +3.80% | 92,385,500 |
| Nov 2003 | $35.29 | $35.95 | $33.27 | $35.82 | +1.04% | 65,059,800 |
| Oct 2003 | $31.15 | $35.76 | $31.10 | $35.45 | +13.80% | 97,086,000 |
| Sep 2003 | $32.24 | $33.64 | $30.65 | $31.15 | -3.41% | 129,415,100 |
| Aug 2003 | $36.90 | $37.31 | $28.83 | $32.25 | -12.81% | 204,852,100 |
| Jul 2003 | $36.38 | $37.71 | $35.66 | $36.99 | +1.07% | 54,265,300 |
| Jun 2003 | $37.27 | $37.98 | $34.73 | $36.60 | -1.74% | 84,916,100 |
| May 2003 | $34.35 | $39.02 | $33.82 | $37.25 | +7.63% | 102,462,000 |
| Apr 2003 | $30.17 | $35.22 | $29.76 | $34.61 | +15.25% | 91,514,500 |
| Mar 2003 | $30.68 | $31.49 | $27.00 | $30.03 | -1.61% | 110,479,500 |
| Feb 2003 | $28.97 | $30.77 | $27.93 | $30.52 | +5.72% | 64,901,700 |
| Jan 2003 | $28.24 | $31.00 | $28.04 | $28.87 | +2.89% | 102,664,400 |
| Dec 2002 | $33.03 | $34.43 | $27.09 | $28.06 | -13.13% | 152,949,000 |
| Nov 2002 | $33.77 | $34.79 | $31.05 | $32.30 | -4.80% | 105,825,900 |
| Oct 2002 | $32.45 | $37.00 | $28.75 | $33.93 | +4.82% | 137,275,400 |
| Sep 2002 | $33.15 | $35.67 | $31.99 | $32.37 | -3.11% | 87,916,100 |
| Aug 2002 | $34.57 | $36.73 | $31.61 | $33.41 | -4.19% | 106,771,900 |
| Jul 2002 | $38.53 | $39.55 | $31.00 | $34.87 | -9.71% | 107,983,500 |
| Jun 2002 | $39.29 | $41.35 | $36.57 | $38.62 | -1.66% | 79,509,800 |
| May 2002 | $40.01 | $41.86 | $37.58 | $39.27 | -2.31% | 87,754,100 |
| Apr 2002 | $39.47 | $43.05 | $38.57 | $40.20 | +0.95% | 88,981,000 |
| Mar 2002 | $41.32 | $42.69 | $38.29 | $39.82 | -3.49% | 139,301,800 |
| Feb 2002 | $45.68 | $46.90 | $41.25 | $41.26 | -10.30% | 88,377,600 |
| Jan 2002 | $44.20 | $46.02 | $41.98 | $46.00 | +3.65% | 80,990,200 |
| Dec 2001 | $40.65 | $45.37 | $40.08 | $44.38 | +8.56% | 76,693,500 |
| Nov 2001 | $38.00 | $43.84 | $37.30 | $40.88 | +8.06% | 89,047,900 |
| Oct 2001 | $35.28 | $40.55 | $33.10 | $37.83 | +6.38% | 90,556,000 |
| Sep 2001 | $37.55 | $39.00 | $29.83 | $35.56 | -4.95% | 84,414,500 |
| Aug 2001 | $43.18 | $43.85 | $36.50 | $37.41 | -13.10% | 71,472,500 |
| Jul 2001 | $41.26 | $44.70 | $39.88 | $43.05 | +4.80% | 79,465,000 |
| Jun 2001 | $39.21 | $44.05 | $37.50 | $41.08 | +5.58% | 97,587,300 |
| May 2001 | $35.04 | $39.39 | $33.95 | $38.91 | +11.39% | 109,293,700 |
| Apr 2001 | $38.81 | $40.37 | $33.17 | $34.93 | -11.01% | 116,253,500 |
| Mar 2001 | $41.38 | $43.11 | $35.31 | $39.25 | -5.99% | 138,072,500 |
| Feb 2001 | $45.88 | $46.38 | $39.75 | $41.75 | -9.73% | 93,210,000 |
| Jan 2001 | $40.00 | $46.38 | $39.00 | $46.25 | +15.81% | 167,560,600 |
| Dec 2000 | $33.25 | $41.50 | $31.75 | $39.94 | +22.41% | 142,507,800 |
| Nov 2000 | $36.69 | $37.38 | $32.06 | $32.63 | -10.92% | 116,075,600 |
| Oct 2000 | $33.56 | $36.75 | $29.31 | $36.63 | +4.83% | 130,958,400 |
| Sep 2000 | $34.81 | $39.06 | $32.63 | $34.94 | +1.45% | 87,117,200 |
| Aug 2000 | $32.25 | $38.06 | $31.63 | $34.44 | +5.76% | 110,153,000 |
| Jul 2000 | $33.00 | $37.13 | $31.19 | $32.56 | -1.33% | 106,147,400 |
| Jun 2000 | $32.69 | $34.69 | $31.25 | $33.00 | +3.33% | 160,436,500 |
| May 2000 | $54.06 | $59.00 | $25.94 | $31.94 | -40.92% | 213,353,300 |
| Apr 2000 | $51.50 | $60.50 | $46.31 | $54.06 | +2.85% | 96,789,700 |
| Mar 2000 | $49.44 | $56.06 | $42.38 | $52.56 | +5.92% | 128,374,200 |
| Feb 2000 | $49.31 | $55.19 | $41.88 | $49.63 | +1.40% | 80,449,500 |
| Jan 2000 | $45.53 | $53.13 | $41.84 | $48.94 | +7.26% | 95,158,600 |
| Dec 1999 | $45.72 | $49.38 | $43.00 | $45.63 | -0.48% | 102,666,000 |
| Nov 1999 | $40.00 | $46.38 | $39.25 | $45.84 | +14.16% | 88,247,600 |
| Oct 1999 | $36.00 | $42.19 | $35.25 | $40.16 | +11.55% | 123,576,000 |
| Sep 1999 | $37.44 | $37.50 | $32.69 | $36.00 | -3.68% | 135,572,800 |
| Aug 1999 | $37.50 | $40.84 | $35.50 | $37.38 | 0.00% | 83,450,400 |
| Jul 1999 | $39.69 | $43.56 | $36.47 | $37.38 | -6.64% | 68,120,800 |
| Jun 1999 | $36.44 | $40.09 | $35.31 | $40.03 | +10.43% | 70,325,400 |
| May 1999 | $40.47 | $43.28 | $35.31 | $36.25 | -10.42% | 109,286,000 |
| Apr 1999 | $45.97 | $46.88 | $38.22 | $40.47 | -11.60% | 94,183,800 |
| Mar 1999 | $40.31 | $46.63 | $40.19 | $45.78 | +14.01% | 90,726,400 |
| Feb 1999 | $41.56 | $43.00 | $36.72 | $40.16 | -3.09% | 69,782,000 |
| Jan 1999 | $36.22 | $41.66 | $34.63 | $41.44 | +14.81% | 67,150,600 |
| Dec 1998 | $31.00 | $38.06 | $28.69 | $36.09 | +15.04% | 86,047,400 |
| Nov 1998 | $28.94 | $32.44 | $28.25 | $31.38 | +10.57% | 66,797,400 |
| Oct 1998 | $23.06 | $29.41 | $20.63 | $28.38 | +19.79% | 116,279,000 |
| Sep 1998 | $23.63 | $28.38 | $22.50 | $23.69 | +0.66% | 157,175,200 |
| Aug 1998 | $28.34 | $29.97 | $23.50 | $23.53 | -17.07% | 99,569,400 |
| Jul 1998 | $31.53 | $32.88 | $28.38 | $28.38 | -10.01% | 62,908,200 |
| Jun 1998 | $28.84 | $32.05 | $28.13 | $31.53 | +8.96% | 76,802,000 |
| May 1998 | $27.97 | $29.44 | $26.06 | $28.94 | +3.58% | 54,440,400 |
| Apr 1998 | $26.75 | $28.81 | $25.56 | $27.94 | +4.68% | 63,272,200 |
| Mar 1998 | $24.56 | $29.38 | $24.00 | $26.69 | +9.21% | 75,608,800 |
| Feb 1998 | $21.75 | $25.38 | $21.69 | $24.44 | +12.68% | 55,733,400 |
| Jan 1998 | $22.31 | $22.81 | $21.00 | $21.69 | -2.80% | 63,694,000 |
| Dec 1997 | $22.13 | $22.59 | $19.94 | $22.31 | +0.70% | 70,241,400 |
| Nov 1997 | $19.56 | $22.47 | $19.38 | $22.16 | +15.10% | 83,953,800 |
| Oct 1997 | $18.75 | $20.63 | $16.94 | $19.25 | +2.33% | 77,113,600 |
| Sep 1997 | $18.03 | $19.94 | $18.00 | $18.81 | +4.33% | 61,296,800 |
| Aug 1997 | $19.00 | $19.44 | $16.88 | $18.03 | -4.79% | 81,442,800 |
| Jul 1997 | $16.47 | $19.44 | $15.50 | $18.94 | +15.21% | 86,260,200 |
| Jun 1997 | $16.94 | $17.66 | $15.81 | $16.44 | -2.59% | 73,246,600 |
| May 1997 | $14.44 | $17.31 | $13.69 | $16.88 | +16.88% | 90,723,200 |
| Apr 1997 | $13.75 | $14.94 | $13.25 | $14.44 | +4.52% | 66,642,600 |
| Mar 1997 | $12.81 | $15.19 | $12.75 | $13.81 | +7.80% | 105,479,000 |
| Feb 1997 | $13.31 | $13.63 | $12.19 | $12.81 | -3.76% | 61,314,600 |
| Jan 1997 | $12.63 | $14.00 | $11.88 | $13.31 | +5.97% | 105,483,600 |
| Dec 1996 | $11.69 | $13.00 | $11.25 | $12.56 | +8.06% | 82,992,000 |
| Nov 1996 | $9.94 | $11.69 | $9.75 | $11.63 | +16.98% | 64,427,600 |
| Oct 1996 | $10.25 | $11.00 | $9.44 | $9.94 | -3.05% | 67,183,000 |
| Sep 1996 | $9.94 | $11.06 | $9.81 | $10.25 | +3.14% | 51,878,000 |
| Aug 1996 | $10.19 | $10.88 | $9.94 | $9.94 | -3.05% | 37,079,200 |
| Jul 1996 | $10.69 | $10.88 | $9.47 | $10.25 | -5.20% | 62,505,800 |
| Jun 1996 | $10.00 | $10.94 | $9.75 | $10.81 | +8.13% | 72,766,000 |
| May 1996 | $9.50 | $10.56 | $9.00 | $10.00 | +5.26% | 47,821,200 |
| Apr 1996 | $9.44 | $9.56 | $8.56 | $9.50 | +1.33% | 38,968,000 |
| Mar 1996 | $8.63 | $9.94 | $8.56 | $9.38 | +8.70% | 53,006,600 |
| Feb 1996 | $7.81 | $9.06 | $7.75 | $8.63 | +10.40% | 51,109,200 |
| Jan 1996 | $7.63 | $8.25 | $7.31 | $7.81 | +2.46% | 41,378,400 |
| Dec 1995 | $8.31 | $8.69 | $6.81 | $7.63 | -8.27% | 56,413,200 |
| Nov 1995 | $8.50 | $8.69 | $7.88 | $8.31 | -2.21% | 32,686,800 |
| Oct 1995 | $8.56 | $9.06 | $8.19 | $8.50 | -0.73% | 27,939,800 |
| Sep 1995 | $8.44 | $9.31 | $8.19 | $8.56 | +1.48% | 28,591,400 |
| Aug 1995 | $9.06 | $9.31 | $8.38 | $8.44 | -5.92% | 31,059,600 |
| Jul 1995 | $8.13 | $9.38 | $8.13 | $8.97 | +10.39% | 55,933,800 |
| Jun 1995 | $7.00 | $8.31 | $6.88 | $8.13 | +15.04% | 45,461,800 |
| May 1995 | $7.25 | $7.38 | $6.56 | $7.06 | -3.42% | 35,898,200 |
| Apr 1995 | $7.31 | $7.69 | $7.13 | $7.31 | -0.85% | 20,913,600 |
| Mar 1995 | $6.75 | $7.56 | $6.00 | $7.38 | +8.26% | 46,205,400 |
| Feb 1995 | $6.88 | $7.44 | $6.50 | $6.81 | -0.91% | 33,413,600 |
| Jan 1995 | $6.44 | $7.13 | $6.00 | $6.88 | +6.80% | 58,513,400 |
| Dec 1994 | $7.63 | $7.69 | $6.25 | $6.44 | -16.26% | 53,485,200 |
| Nov 1994 | $7.88 | $8.25 | $7.06 | $7.69 | -2.38% | 34,190,800 |
| Oct 1994 | $8.00 | $8.38 | $7.44 | $7.88 | -1.95% | 30,936,600 |
| Sep 1994 | $7.75 | $8.25 | $7.13 | $8.03 | +2.39% | 38,216,600 |
| Aug 1994 | $7.50 | $8.00 | $7.06 | $7.84 | +4.58% | 35,838,800 |
| Jul 1994 | $7.44 | $7.94 | $6.88 | $7.50 | +0.42% | 36,721,200 |
| Jun 1994 | $6.63 | $7.88 | $6.50 | $7.47 | +12.74% | 62,757,000 |
| May 1994 | $7.69 | $7.88 | $6.56 | $6.63 | -12.40% | 51,507,600 |
| Apr 1994 | $8.94 | $9.13 | $7.00 | $7.56 | -16.55% | 47,641,600 |
| Mar 1994 | $9.94 | $10.81 | $8.69 | $9.06 | -9.38% | 98,705,400 |
| Feb 1994 | $8.75 | $10.06 | $8.50 | $10.00 | +12.68% | 54,060,800 |
| Jan 1994 | $9.56 | $9.69 | $8.44 | $8.88 | -7.79% | 62,653,600 |
| Dec 1993 | $9.63 | $10.69 | $9.44 | $9.63 | +0.65% | 64,133,000 |
| Nov 1993 | $8.94 | $9.63 | $8.56 | $9.56 | +7.75% | 41,325,400 |
| Oct 1993 | $9.41 | $10.56 | $8.75 | $8.88 | -6.27% | 48,725,800 |
| Sep 1993 | $9.50 | $9.59 | $8.78 | $9.47 | -0.33% | 25,847,200 |
| Aug 1993 | $7.94 | $9.50 | $7.94 | $9.50 | +19.69% | 22,382,800 |
| Jul 1993 | $8.50 | $8.69 | $7.88 | $7.94 | -6.62% | 13,135,600 |
| Jun 1993 | $7.44 | $9.84 | $7.19 | $8.50 | +16.24% | 51,965,200 |
| May 1993 | $7.31 | $7.63 | $7.06 | $7.31 | +0.86% | 13,199,600 |
| Apr 1993 | $8.31 | $8.31 | $7.06 | $7.25 | -12.78% | 24,933,200 |
| Mar 1993 | $8.44 | $8.81 | $7.88 | $8.31 | -0.75% | 17,438,800 |
| Feb 1993 | $9.44 | $9.63 | $8.19 | $8.38 | -10.67% | 23,601,600 |
| Jan 1993 | $9.31 | $10.00 | $8.88 | $9.38 | +3.45% | 32,733,200 |
| Dec 1992 | $9.81 | $10.38 | $8.38 | $9.06 | -7.05% | 39,689,200 |
| Nov 1992 | $8.75 | $11.25 | $8.69 | $9.75 | +10.64% | 69,726,000 |
| Oct 1992 | $7.88 | $9.25 | $7.75 | $8.81 | +10.16% | 20,669,600 |
| Sep 1992 | $7.56 | $8.06 | $7.44 | $8.00 | +4.07% | 25,708,000 |
| Aug 1992 | $8.63 | $8.63 | $7.63 | $7.69 | -9.56% | 14,805,200 |
| Jul 1992 | $8.25 | $8.75 | $7.94 | $8.50 | +3.03% | 27,486,000 |
| Jun 1992 | $8.50 | $8.72 | $8.00 | $8.25 | -2.22% | 32,771,200 |
| May 1992 | $7.69 | $8.69 | $7.50 | $8.44 | +10.66% | 29,545,600 |
| Apr 1992 | $11.56 | $11.63 | $7.38 | $7.63 | -35.11% | 111,227,600 |
| Mar 1992 | $13.50 | $13.50 | $11.44 | $11.75 | -12.96% | 25,782,800 |
| Feb 1992 | $11.31 | $13.75 | $11.31 | $13.50 | +18.03% | 36,164,000 |
| Jan 1992 | $12.31 | $12.69 | $11.19 | $11.44 | -8.96% | 58,341,600 |
| Dec 1991 | $13.75 | $14.00 | $10.94 | $12.56 | -9.87% | 66,151,200 |
| Nov 1991 | $15.00 | $15.44 | $13.44 | $13.94 | -6.30% | 28,170,800 |
| Oct 1991 | $15.06 | $15.50 | $13.63 | $14.88 | -1.24% | 35,168,800 |
| Sep 1991 | $16.03 | $16.19 | $14.38 | $15.06 | -5.12% | 28,378,000 |
| Aug 1991 | $13.63 | $16.31 | $13.00 | $15.88 | +16.51% | 40,574,800 |
| Jul 1991 | $13.44 | $14.06 | $12.50 | $13.63 | +0.93% | 19,150,000 |
| Jun 1991 | $13.88 | $13.94 | $12.88 | $13.50 | -2.70% | 22,034,800 |
| May 1991 | $12.75 | $14.63 | $12.31 | $13.88 | +8.82% | 31,624,800 |
| Apr 1991 | $11.69 | $14.63 | $11.50 | $12.75 | +9.09% | 51,606,000 |
| Mar 1991 | $10.25 | $11.81 | $10.19 | $11.69 | +12.99% | 23,923,200 |
| Feb 1991 | $11.06 | $11.69 | $9.88 | $10.34 | -7.02% | 46,168,800 |
| Jan 1991 | $9.75 | $11.16 | $9.44 | $11.13 | +13.38% | 52,237,600 |
| Dec 1990 | $9.69 | $10.06 | $9.13 | $9.81 | +2.61% | 23,303,200 |
| Nov 1990 | $7.81 | $9.81 | $7.75 | $9.56 | +22.40% | 15,894,000 |
| Oct 1990 | $7.38 | $8.19 | $6.63 | $7.81 | +6.84% | 24,150,800 |
| Sep 1990 | $8.25 | $8.44 | $6.94 | $7.31 | -12.03% | 19,492,000 |
| Aug 1990 | $9.94 | $10.06 | $7.56 | $8.31 | -16.87% | 22,927,200 |
| Jul 1990 | $10.31 | $11.00 | $9.56 | $10.00 | -3.61% | 21,058,400 |
| Jun 1990 | $9.63 | $10.50 | $9.00 | $10.38 | +8.14% | 29,798,800 |
| May 1990 | $8.63 | $9.88 | $8.13 | $9.59 | +12.04% | 41,484,000 |
| Apr 1990 | $9.44 | $9.69 | $8.31 | $8.56 | -11.61% | 35,638,400 |
| Mar 1990 | $9.69 | $10.44 | $9.50 | $9.69 | +1.31% | 32,876,000 |
| Feb 1990 | $9.88 | $10.00 | $9.19 | $9.56 | -2.86% | 29,525,200 |
| Jan 1990 | $11.63 | $12.06 | $9.44 | $9.84 | -14.86% | 30,140,000 |
| Dec 1989 | $11.75 | $12.06 | $10.44 | $11.56 | -1.07% | 13,648,400 |
| Nov 1989 | $11.00 | $12.38 | $10.50 | $11.69 | +5.95% | 20,432,800 |
| Oct 1989 | $10.63 | $12.13 | $10.31 | $11.03 | +2.62% | 33,341,600 |
| Sep 1989 | $11.06 | $11.19 | $10.44 | $10.75 | -3.37% | 15,056,400 |
| Aug 1989 | $11.00 | $11.13 | $10.38 | $11.13 | +1.71% | 20,632,800 |
| Jul 1989 | $10.00 | $11.00 | $9.81 | $10.94 | +9.38% | 12,197,600 |
| Jun 1989 | $11.13 | $11.94 | $9.81 | $10.00 | -10.11% | 34,459,200 |
| May 1989 | $10.13 | $11.94 | $10.13 | $11.13 | +9.20% | 36,148,800 |
| Apr 1989 | $9.00 | $10.50 | $8.88 | $10.19 | +12.41% | 22,698,000 |
| Mar 1989 | $9.19 | $9.47 | $8.69 | $9.06 | -2.03% | 22,534,800 |
| Feb 1989 | $9.31 | $9.44 | $8.91 | $9.25 | -1.33% | 29,131,200 |
| Jan 1989 | $9.38 | $9.88 | $8.81 | $9.38 | 0.00% | 29,280,400 |
| Dec 1988 | $9.81 | $10.19 | $9.38 | $9.38 | -4.46% | 13,875,600 |
| Nov 1988 | $9.94 | $10.06 | $9.13 | $9.81 | -1.88% | 10,398,800 |
| Oct 1988 | $9.63 | $10.56 | $9.50 | $10.00 | +3.23% | 19,822,800 |
| Sep 1988 | $9.19 | $9.81 | $8.91 | $9.69 | +5.08% | 13,489,200 |
| Aug 1988 | $8.81 | $9.31 | $8.44 | $9.22 | +4.61% | 11,145,600 |
| Jul 1988 | $9.50 | $9.56 | $8.38 | $8.81 | -7.84% | 17,592,000 |
| Jun 1988 | $9.19 | $10.06 | $9.06 | $9.56 | +5.52% | 14,892,000 |
| May 1988 | $9.56 | $9.81 | $8.88 | $9.06 | -4.61% | 11,776,800 |
| Apr 1988 | $9.25 | $9.75 | $8.94 | $9.50 | +1.33% | 12,283,600 |
| Mar 1988 | $10.00 | $10.00 | $9.00 | $9.38 | -6.25% | 17,984,400 |
| Feb 1988 | $8.94 | $10.13 | $8.75 | $10.00 | +12.28% | 19,825,200 |
| Jan 1988 | $8.13 | $9.00 | $7.75 | $8.91 | +8.78% | 13,741,200 |
| Dec 1987 | $6.75 | $8.31 | $5.88 | $8.19 | +21.30% | 22,402,800 |
| Nov 1987 | $7.75 | $8.06 | $6.44 | $6.75 | -12.90% | 18,430,800 |
| Oct 1987 | $11.56 | $11.81 | $6.69 | $7.75 | -32.97% | 36,328,800 |
| Sep 1987 | $12.44 | $12.50 | $10.56 | $11.56 | -7.50% | 14,910,000 |
| Aug 1987 | $11.88 | $13.13 | $11.69 | $12.50 | +4.71% | 13,851,200 |
| Jul 1987 | $11.22 | $12.31 | $11.13 | $11.94 | +6.41% | 17,192,000 |
| Jun 1987 | $10.81 | $12.25 | $10.38 | $11.22 | +3.76% | 14,135,600 |
| May 1987 | $10.63 | $11.25 | $10.25 | $10.81 | +1.76% | 13,502,400 |
| Apr 1987 | $11.75 | $12.38 | $9.50 | $10.63 | -11.46% | 14,492,800 |
| Mar 1987 | $11.06 | $12.94 | $10.69 | $12.00 | +8.47% | 20,943,600 |
| Feb 1987 | $9.75 | $11.31 | $9.44 | $11.06 | +13.83% | 15,010,000 |
| Jan 1987 | $8.19 | $10.06 | $8.13 | $9.72 | +18.70% | 20,516,400 |
| Dec 1986 | $9.00 | $9.19 | $7.94 | $8.19 | -9.03% | 12,063,200 |
| Nov 1986 | $8.88 | $9.25 | $8.19 | $9.00 | 0.00% | 9,452,000 |
| Oct 1986 | $8.69 | $9.19 | $8.06 | $9.00 | +5.11% | 11,801,200 |
| Sep 1986 | $9.19 | $9.44 | $7.06 | $8.56 | -6.16% | 24,114,800 |
| Aug 1986 | $10.00 | $10.13 | $8.13 | $9.13 | -9.32% | 26,423,200 |
| Jul 1986 | $10.69 | $11.13 | $9.31 | $10.06 | – | 14,780,000 |
Seasonality
COST 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 | 3.2% | 1.5% | 1.3% | 2.4% | 0.9% | 1.3% | 3.5% | 2.9% | -0.9% | 2.2% | 7.0% | -2.4% |
| Months up | 8 of 10 | 6 of 10 | 5 of 10 | 8 of 10 | 7 of 10 | 6 of 10 | 7 of 10 | 6 of 10 | 4 of 10 | 5 of 10 | 9 of 9 | 3 of 9 |
| 2026 | 9.2% | 7.5% | -1.4% | 1.8% | -5.6% | -2.2% | 1.9% | -0.8% | -3.6% | 11.4% | ||
| 2025 | 6.9% | 7.1% | -9.8% | 5.2% | 4.7% | -4.8% | -5.1% | 0.5% | -1.9% | -1.4% | 0.2% | -5.6% |
| 2024 | 5.3% | 7.2% | -1.5% | -1.2% | 12.0% | 5.0% | -3.2% | 8.6% | -0.7% | -1.4% | 11.3% | -5.7% |
| 2023 | 12.0% | -5.1% | 2.6% | 1.3% | 1.9% | 5.2% | 4.1% | -1.8% | 2.9% | -2.2% | 7.5% | 13.9% |
| 2022 | -11.0% | 3.0% | 10.9% | -7.5% | -12.3% | 2.8% | 13.1% | -3.5% | -9.5% | 6.4% | 7.5% | -15.3% |
| 2021 | -6.5% | -5.9% | 6.5% | 5.8% | 1.7% | 4.6% | 8.8% | 6.0% | -1.3% | 9.6% | 9.7% | 5.3% |
| 2020 | 3.9% | -7.8% | 1.4% | 6.5% | 1.8% | -1.7% | 7.6% | 6.8% | 2.1% | 0.9% | 9.5% | -1.3% |
| 2019 | 5.4% | 2.2% | 10.7% | 1.4% | -2.2% | 10.3% | 4.3% | 7.2% | -2.3% | 3.3% | 0.9% | -2.0% |
| 2018 | 4.7% | -1.8% | -1.3% | 4.6% | 0.8% | 5.4% | 4.7% | 6.9% | 0.8% | -2.7% | 1.4% | -11.9% |
| 2017 | 2.4% | 8.4% | -5.4% | 5.9% | 6.1% | -11.4% | -0.9% | -0.8% | 4.8% | -2.0% | 14.8% | 0.9% |