Amgen Inc (AMGN) stock
AMGNNasdaqBiological Products, (No Diagnostic Substances)Fiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026Score 17/3039% above fair value
$466.01+5.28 (+1.15%)
Close on Oct 30, 2026Market cap $251.94BP/E 28.9Yield 2.07%
Price history
Amgen share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$466.01
+1.15% on the day
52-week range
$288.00 – $475.65
-2.0% from the high
Change over 52 weeks
+59.6%
From $292.00 on Oct 30, 2025
Average volume
2.68M
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $421.72 | $475.65 | $396.01 | $466.01 | +10.56% | 58,301,949 |
| Sep 2026 | $435.30 | $445.82 | $374.46 | $421.51 | -1.95% | 67,051,615 |
| Aug 2026 | $388.50 | $447.03 | $375.96 | $429.88 | +11.61% | 53,863,682 |
| Jul 2026 | $362.63 | $398.00 | $353.95 | $385.16 | +6.36% | 51,718,133 |
| Jun 2026 | $333.38 | $363.11 | $322.30 | $362.12 | +7.52% | 66,050,025 |
| May 2026 | $332.52 | $343.80 | $320.52 | $336.79 | -2.73% | 53,568,178 |
| Apr 2026 | $354.90 | $359.45 | $333.55 | $346.25 | -1.59% | 51,650,371 |
| Mar 2026 | $388.00 | $391.29 | $344.95 | $351.85 | -9.35% | 59,547,868 |
| Feb 2026 | $339.47 | $390.14 | $338.59 | $388.16 | +13.54% | 57,895,927 |
| Jan 2026 | $328.77 | $353.25 | $318.21 | $341.88 | +4.45% | 54,971,433 |
| Dec 2025 | $343.07 | $346.38 | $312.39 | $327.31 | -5.25% | 64,253,116 |
| Nov 2025 | $298.43 | $345.84 | $292.12 | $345.46 | +15.76% | 58,396,092 |
| Oct 2025 | $284.45 | $303.85 | $283.00 | $298.43 | +5.75% | 49,202,163 |
| Sep 2025 | $287.49 | $288.74 | $269.77 | $282.20 | -1.92% | 56,375,774 |
| Aug 2025 | $297.06 | $302.33 | $281.65 | $287.71 | -2.50% | 43,193,004 |
| Jul 2025 | $280.01 | $311.28 | $278.98 | $295.10 | +5.69% | 41,469,976 |
| Jun 2025 | $285.64 | $299.49 | $267.83 | $279.21 | -3.11% | 56,600,877 |
| May 2025 | $287.04 | $291.61 | $261.43 | $288.18 | -0.94% | 69,168,926 |
| Apr 2025 | $310.58 | $314.90 | $267.40 | $290.92 | -6.62% | 66,487,109 |
| Mar 2025 | $307.34 | $335.88 | $303.51 | $311.55 | +1.13% | 64,227,916 |
| Feb 2025 | $286.91 | $318.30 | $283.40 | $308.06 | +7.93% | 62,815,538 |
| Jan 2025 | $262.18 | $286.69 | $257.05 | $285.42 | +9.51% | 61,290,374 |
| Dec 2024 | $282.08 | $282.39 | $253.30 | $260.64 | -7.86% | 82,949,659 |
| Nov 2024 | $318.69 | $328.25 | $257.80 | $282.87 | -11.65% | 82,249,157 |
| Oct 2024 | $322.05 | $329.17 | $310.63 | $320.16 | -0.64% | 39,473,494 |
| Sep 2024 | $331.89 | $339.17 | $312.16 | $322.21 | -3.48% | 42,197,200 |
| Aug 2024 | $336.09 | $340.89 | $306.59 | $333.83 | +0.41% | 43,278,748 |
| Jul 2024 | $313.34 | $346.85 | $306.11 | $332.47 | +6.41% | 39,741,939 |
| Jun 2024 | $306.79 | $326.12 | $295.30 | $312.45 | +2.16% | 47,781,811 |
| May 2024 | $274.18 | $322.60 | $273.38 | $305.85 | +11.65% | 64,550,840 |
| Apr 2024 | $282.11 | $283.91 | $260.68 | $273.94 | -3.65% | 48,296,040 |
| Mar 2024 | $276.50 | $288.57 | $268.17 | $284.32 | +3.83% | 59,109,571 |
| Feb 2024 | $314.50 | $329.72 | $273.43 | $273.83 | -12.87% | 75,008,369 |
| Jan 2024 | $287.28 | $316.64 | $287.28 | $314.26 | +9.11% | 51,381,019 |
| Dec 2023 | $269.97 | $289.04 | $266.63 | $288.02 | +6.82% | 49,542,272 |
| Nov 2023 | $256.27 | $274.95 | $255.09 | $269.64 | +5.45% | 46,205,034 |
| Oct 2023 | $267.71 | $288.46 | $249.70 | $255.70 | -4.86% | 61,197,114 |
| Sep 2023 | $258.68 | $273.61 | $248.38 | $268.76 | +4.85% | 47,065,406 |
| Aug 2023 | $234.93 | $268.24 | $228.21 | $256.34 | +9.48% | 56,925,163 |
| Jul 2023 | $221.21 | $238.48 | $218.44 | $234.15 | +5.46% | 51,881,239 |
| Jun 2023 | $219.96 | $231.95 | $211.71 | $222.02 | +0.62% | 58,521,816 |
| May 2023 | $240.03 | $241.30 | $214.48 | $220.65 | -7.96% | 50,820,966 |
| Apr 2023 | $242.00 | $256.44 | $233.17 | $239.74 | -0.83% | 37,045,381 |
| Mar 2023 | $230.37 | $242.81 | $225.40 | $241.75 | +4.36% | 59,935,365 |
| Feb 2023 | $249.16 | $249.96 | $231.60 | $231.66 | -8.22% | 52,525,179 |
| Jan 2023 | $260.87 | $276.84 | $249.89 | $252.40 | -3.90% | 43,433,169 |
| Dec 2022 | $288.00 | $288.09 | $259.51 | $262.64 | -8.30% | 56,301,917 |
| Nov 2022 | $269.60 | $296.67 | $259.84 | $286.40 | +5.94% | 64,905,914 |
| Oct 2022 | $228.27 | $274.54 | $226.42 | $270.35 | +19.94% | 55,949,424 |
| Sep 2022 | $241.12 | $249.23 | $223.30 | $225.40 | -6.20% | 56,793,665 |
| Aug 2022 | $247.34 | $254.16 | $238.01 | $240.30 | -2.90% | 59,010,481 |
| Jul 2022 | $243.25 | $253.77 | $240.72 | $247.47 | +1.71% | 51,623,723 |
| Jun 2022 | $257.88 | $257.97 | $229.49 | $243.30 | -5.23% | 76,166,656 |
| May 2022 | $233.37 | $257.26 | $227.32 | $256.74 | +10.10% | 70,048,689 |
| Apr 2022 | $243.03 | $258.45 | $231.15 | $233.19 | -3.57% | 59,158,631 |
| Mar 2022 | $225.28 | $245.48 | $223.74 | $241.82 | +6.77% | 73,374,375 |
| Feb 2022 | $227.14 | $244.71 | $214.39 | $226.48 | -0.29% | 68,320,896 |
| Jan 2022 | $223.63 | $235.80 | $219.98 | $227.14 | +0.96% | 56,357,068 |
| Dec 2021 | $200.44 | $231.04 | $198.64 | $224.97 | +13.12% | 64,547,095 |
| Nov 2021 | $208.00 | $219.25 | $198.73 | $198.88 | -3.91% | 64,394,458 |
| Oct 2021 | $213.59 | $215.64 | $200.47 | $206.97 | -2.67% | 53,322,609 |
| Sep 2021 | $225.55 | $227.19 | $211.65 | $212.65 | -5.71% | 53,853,343 |
| Aug 2021 | $242.12 | $244.39 | $220.16 | $225.53 | -6.63% | 57,351,934 |
| Jul 2021 | $243.74 | $250.39 | $240.63 | $241.54 | -0.91% | 43,726,737 |
| Jun 2021 | $242.20 | $245.51 | $232.94 | $243.75 | +2.44% | 54,111,616 |
| May 2021 | $240.67 | $258.81 | $234.58 | $237.94 | -0.71% | 56,820,787 |
| Apr 2021 | $249.73 | $261.00 | $231.03 | $239.64 | -3.69% | 52,299,423 |
| Mar 2021 | $225.88 | $256.60 | $220.25 | $248.81 | +10.62% | 71,754,088 |
| Feb 2021 | $244.30 | $245.48 | $223.62 | $224.92 | -6.84% | 46,830,169 |
| Jan 2021 | $231.25 | $276.69 | $223.67 | $241.43 | +5.01% | 50,831,053 |
| Dec 2020 | $224.88 | $232.19 | $220.08 | $229.92 | +3.55% | 51,848,038 |
| Nov 2020 | $221.56 | $245.84 | $217.20 | $222.04 | +2.35% | 52,024,560 |
| Oct 2020 | $255.07 | $258.51 | $210.28 | $216.94 | -14.64% | 59,186,117 |
| Sep 2020 | $250.05 | $260.06 | $237.78 | $254.16 | +0.33% | 56,153,373 |
| Aug 2020 | $244.85 | $256.91 | $233.56 | $253.32 | +3.54% | 57,103,067 |
| Jul 2020 | $235.52 | $264.97 | $232.58 | $244.67 | +3.74% | 53,067,317 |
| Jun 2020 | $228.89 | $239.17 | $213.86 | $235.86 | +2.68% | 60,935,124 |
| May 2020 | $233.00 | $244.50 | $217.47 | $229.70 | -3.98% | 56,221,099 |
| Apr 2020 | $197.56 | $244.95 | $194.21 | $239.22 | +18.00% | 61,803,911 |
| Mar 2020 | $199.90 | $216.39 | $177.05 | $202.73 | +1.50% | 99,349,112 |
| Feb 2020 | $216.39 | $234.64 | $195.18 | $199.73 | -7.55% | 50,053,232 |
| Jan 2020 | $243.00 | $243.85 | $210.01 | $216.05 | -10.38% | 51,260,194 |
| Dec 2019 | $234.54 | $244.99 | $230.78 | $241.07 | +2.71% | 41,947,919 |
| Nov 2019 | $214.26 | $235.80 | $213.19 | $234.72 | +10.07% | 49,063,707 |
| Oct 2019 | $192.58 | $213.67 | $188.78 | $213.25 | +10.20% | 48,096,276 |
| Sep 2019 | $207.30 | $209.35 | $191.69 | $193.51 | -7.24% | 53,660,832 |
| Aug 2019 | $186.40 | $211.90 | $179.61 | $208.62 | +11.81% | 84,486,106 |
| Jul 2019 | $186.88 | $189.42 | $173.12 | $186.58 | +1.25% | 58,621,529 |
| Jun 2019 | $172.00 | $187.13 | $170.56 | $184.28 | +10.55% | 57,448,080 |
| May 2019 | $175.40 | $178.50 | $166.30 | $166.70 | -7.04% | 64,324,492 |
| Apr 2019 | $191.14 | $196.87 | $174.87 | $179.32 | -5.61% | 58,335,048 |
| Mar 2019 | $191.39 | $192.87 | $179.01 | $189.98 | -0.05% | 59,975,560 |
| Feb 2019 | $186.51 | $192.19 | $182.67 | $190.08 | +1.59% | 54,643,656 |
| Jan 2019 | $192.52 | $204.33 | $179.65 | $187.11 | -3.88% | 72,426,846 |
| Dec 2018 | $208.10 | $208.30 | $178.29 | $194.67 | -6.52% | 62,268,837 |
| Nov 2018 | $192.81 | $208.99 | $185.83 | $208.25 | +8.02% | 55,429,386 |
| Oct 2018 | $207.73 | $209.34 | $181.31 | $192.79 | -7.00% | 69,356,241 |
| Sep 2018 | $199.25 | $210.19 | $194.75 | $207.29 | +3.74% | 50,834,712 |
| Aug 2018 | $196.33 | $200.90 | $192.26 | $199.81 | +1.66% | 46,195,483 |
| Jul 2018 | $184.09 | $197.49 | $182.70 | $196.55 | +6.48% | 52,142,624 |
| Jun 2018 | $180.75 | $188.09 | $179.79 | $184.59 | +2.77% | 64,414,665 |
| May 2018 | $172.15 | $181.78 | $165.22 | $179.62 | +2.95% | 71,414,660 |
| Apr 2018 | $169.92 | $178.74 | $163.31 | $174.48 | +2.35% | 68,966,892 |
| Mar 2018 | $184.21 | $192.62 | $168.02 | $170.48 | -7.23% | 154,308,623 |
| Feb 2018 | $185.00 | $192.60 | $168.25 | $183.77 | -1.23% | 96,002,557 |
| Jan 2018 | $175.35 | $201.23 | $174.42 | $186.05 | +6.99% | 66,336,114 |
| Dec 2017 | $174.16 | $180.74 | $173.43 | $173.90 | -1.00% | 54,233,655 |
| Nov 2017 | $175.30 | $177.31 | $168.15 | $175.66 | +0.25% | 52,784,550 |
| Oct 2017 | $187.03 | $190.00 | $169.68 | $175.22 | -6.02% | 62,789,361 |
| Sep 2017 | $178.14 | $191.10 | $175.36 | $186.45 | +4.88% | 53,985,488 |
| Aug 2017 | $174.81 | $178.64 | $166.52 | $177.77 | +1.87% | 46,489,985 |
| Jul 2017 | $172.63 | $182.60 | $170.53 | $174.51 | +1.32% | 55,346,944 |
| Jun 2017 | $155.40 | $175.45 | $155.24 | $172.23 | +10.94% | 90,316,639 |
| May 2017 | $163.68 | $164.82 | $152.16 | $155.24 | -4.95% | 69,389,918 |
| Apr 2017 | $164.63 | $165.61 | $160.00 | $163.32 | -0.46% | 54,548,035 |
| Mar 2017 | $178.00 | $184.21 | $162.94 | $164.07 | -7.06% | 109,104,840 |
| Feb 2017 | $158.59 | $178.25 | $156.91 | $176.53 | +12.67% | 69,483,508 |
| Jan 2017 | $147.86 | $161.00 | $147.12 | $156.68 | +7.16% | 74,904,877 |
| Dec 2016 | $144.24 | $151.21 | $138.83 | $146.21 | +1.49% | 70,434,311 |
| Nov 2016 | $141.17 | $152.85 | $133.64 | $144.07 | +2.06% | 98,400,409 |
| Oct 2016 | $166.05 | $168.69 | $140.94 | $141.16 | -15.38% | 74,471,642 |
| Sep 2016 | $170.55 | $176.85 | $165.27 | $166.81 | -1.91% | 60,630,100 |
| Aug 2016 | $172.91 | $176.64 | $168.76 | $170.06 | -1.15% | 64,648,500 |
| Jul 2016 | $152.43 | $172.26 | $152.25 | $172.03 | +13.07% | 57,109,500 |
| Jun 2016 | $157.61 | $160.75 | $143.82 | $152.15 | -3.67% | 65,472,900 |
| May 2016 | $158.62 | $159.42 | $147.12 | $157.95 | -0.22% | 57,214,900 |
| Apr 2016 | $150.02 | $164.70 | $149.10 | $158.30 | +5.58% | 60,909,000 |
| Mar 2016 | $144.30 | $151.91 | $139.02 | $149.93 | +5.38% | 83,830,700 |
| Feb 2016 | $151.31 | $153.72 | $140.04 | $142.28 | -6.84% | 80,013,600 |
| Jan 2016 | $159.00 | $160.21 | $144.17 | $152.73 | -5.91% | 89,489,100 |
| Dec 2015 | $162.71 | $165.23 | $153.43 | $162.33 | +0.76% | 67,360,000 |
| Nov 2015 | $159.01 | $165.00 | $148.00 | $161.10 | +1.85% | 58,232,900 |
| Oct 2015 | $138.55 | $165.00 | $135.64 | $158.18 | +14.36% | 97,994,300 |
| Sep 2015 | $149.23 | $156.76 | $130.09 | $138.32 | -8.87% | 89,701,900 |
| Aug 2015 | $176.80 | $177.52 | $140.00 | $151.78 | -14.05% | 81,883,700 |
| Jul 2015 | $154.94 | $181.81 | $151.04 | $176.59 | +15.03% | 78,117,700 |
| Jun 2015 | $157.59 | $163.50 | $150.85 | $153.52 | -1.75% | 69,190,300 |
| May 2015 | $159.50 | $165.59 | $155.58 | $156.26 | -1.04% | 63,310,100 |
| Apr 2015 | $159.37 | $173.60 | $154.60 | $157.91 | -1.21% | 71,938,600 |
| Mar 2015 | $159.29 | $172.36 | $152.29 | $159.85 | +1.35% | 74,078,100 |
| Feb 2015 | $153.41 | $159.40 | $147.42 | $157.72 | +3.59% | 68,423,900 |
| Jan 2015 | $160.16 | $162.76 | $151.53 | $152.26 | -4.41% | 73,086,400 |
| Dec 2014 | $165.12 | $173.14 | $154.36 | $159.29 | -3.64% | 77,006,400 |
| Nov 2014 | $162.08 | $167.35 | $156.62 | $165.31 | +1.93% | 63,215,800 |
| Oct 2014 | $140.39 | $164.65 | $127.67 | $162.18 | +15.46% | 124,321,900 |
| Sep 2014 | $139.62 | $144.46 | $135.63 | $140.46 | +0.77% | 62,112,600 |
| Aug 2014 | $126.17 | $139.73 | $124.76 | $139.38 | +9.41% | 67,114,400 |
| Jul 2014 | $119.39 | $131.24 | $114.93 | $127.39 | +7.62% | 70,786,600 |
| Jun 2014 | $116.72 | $121.00 | $115.30 | $118.37 | +2.05% | 54,503,800 |
| May 2014 | $111.38 | $116.57 | $109.41 | $115.99 | +3.79% | 66,180,100 |
| Apr 2014 | $123.67 | $127.25 | $108.20 | $111.75 | -9.40% | 100,098,000 |
| Mar 2014 | $122.89 | $128.96 | $118.56 | $123.34 | -0.55% | 74,142,800 |
| Feb 2014 | $119.68 | $126.95 | $114.57 | $124.02 | +4.26% | 63,283,800 |
| Jan 2014 | $114.36 | $124.46 | $113.12 | $118.95 | +4.27% | 75,029,900 |
| Dec 2013 | $114.29 | $115.95 | $108.71 | $114.08 | 0.00% | 58,493,732 |
| Nov 2013 | $117.07 | $119.70 | $110.65 | $114.08 | -1.77% | 63,440,000 |
| Oct 2013 | $111.99 | $118.96 | $105.76 | $116.14 | +3.77% | 68,493,200 |
| Sep 2013 | $110.53 | $117.91 | $109.99 | $111.92 | +2.74% | 62,882,800 |
| Aug 2013 | $109.60 | $116.25 | $103.31 | $108.94 | +0.60% | 74,887,900 |
| Jul 2013 | $100.20 | $111.30 | $95.05 | $108.29 | +9.76% | 67,224,200 |
| Jun 2013 | $100.61 | $102.29 | $94.15 | $98.66 | -1.86% | 74,154,400 |
| May 2013 | $105.05 | $109.56 | $100.39 | $100.53 | -3.53% | 70,309,000 |
| Apr 2013 | $102.62 | $114.95 | $101.70 | $104.21 | +1.66% | 101,868,500 |
| Mar 2013 | $91.16 | $102.62 | $90.35 | $102.51 | +11.97% | 85,096,100 |
| Feb 2013 | $86.17 | $93.42 | $82.92 | $91.55 | +7.13% | 113,010,700 |
| Jan 2013 | $87.36 | $89.58 | $81.56 | $85.46 | -0.86% | 146,228,200 |
| Dec 2012 | $88.92 | $90.81 | $84.56 | $86.20 | -2.93% | 73,217,900 |
| Nov 2012 | $86.97 | $89.08 | $82.92 | $88.80 | +2.67% | 89,029,600 |
| Oct 2012 | $84.50 | $89.95 | $83.98 | $86.49 | +2.61% | 83,711,200 |
| Sep 2012 | $83.80 | $85.28 | $80.60 | $84.29 | +0.44% | 91,635,700 |
| Aug 2012 | $83.42 | $85.28 | $80.34 | $83.92 | +1.60% | 81,132,400 |
| Jul 2012 | $73.03 | $84.39 | $72.95 | $82.60 | +13.29% | 104,905,000 |
| Jun 2012 | $69.01 | $73.75 | $67.61 | $72.91 | +4.88% | 108,261,500 |
| May 2012 | $70.83 | $71.25 | $67.99 | $69.52 | -2.24% | 92,579,700 |
| Apr 2012 | $67.57 | $72.00 | $65.37 | $71.11 | +4.62% | 80,200,200 |
| Mar 2012 | $68.21 | $68.93 | $65.80 | $67.97 | -0.06% | 90,869,500 |
| Feb 2012 | $68.46 | $70.00 | $66.35 | $68.01 | +0.12% | 115,069,400 |
| Jan 2012 | $64.95 | $69.63 | $63.30 | $67.93 | +5.79% | 139,168,700 |
| Dec 2011 | $57.70 | $65.00 | $56.00 | $64.21 | +10.88% | 219,879,200 |
| Nov 2011 | $56.42 | $58.61 | $54.59 | $57.91 | +1.12% | 177,258,600 |
| Oct 2011 | $54.66 | $59.05 | $52.85 | $57.27 | +4.20% | 118,046,700 |
| Sep 2011 | $55.83 | $57.84 | $52.50 | $54.96 | -0.79% | 125,409,800 |
| Aug 2011 | $55.02 | $55.61 | $47.66 | $55.40 | +1.28% | 204,584,100 |
| Jul 2011 | $58.44 | $58.44 | $53.05 | $54.70 | -6.26% | 109,669,200 |
| Jun 2011 | $60.55 | $60.79 | $56.73 | $58.35 | -3.62% | 113,874,400 |
| May 2011 | $56.98 | $61.53 | $56.67 | $60.54 | +6.49% | 127,535,000 |
| Apr 2011 | $53.94 | $57.29 | $52.76 | $56.85 | +6.36% | 162,997,100 |
| Mar 2011 | $52.17 | $54.70 | $51.34 | $53.45 | +4.13% | 144,456,600 |
| Feb 2011 | $55.23 | $55.88 | $50.61 | $51.33 | -6.81% | 122,824,700 |
| Jan 2011 | $55.20 | $58.19 | $54.85 | $55.08 | +0.33% | 120,211,100 |
| Dec 2010 | $53.32 | $57.98 | $52.98 | $54.90 | +4.19% | 159,481,100 |
| Nov 2010 | $57.02 | $57.95 | $52.19 | $52.69 | -7.87% | 122,791,300 |
| Oct 2010 | $55.57 | $58.74 | $54.16 | $57.19 | +3.77% | 128,032,300 |
| Sep 2010 | $51.61 | $56.84 | $51.28 | $55.11 | +7.97% | 110,030,600 |
| Aug 2010 | $55.25 | $56.13 | $50.26 | $51.04 | -6.40% | 109,208,600 |
| Jul 2010 | $52.59 | $55.06 | $50.56 | $54.53 | +3.67% | 128,291,300 |
| Jun 2010 | $51.72 | $58.32 | $50.75 | $52.60 | +1.58% | 206,349,700 |
| May 2010 | $57.45 | $57.95 | $50.32 | $51.78 | -9.65% | 149,573,800 |
| Apr 2010 | $59.95 | $61.26 | $57.03 | $57.31 | -4.23% | 127,358,100 |
| Mar 2010 | $56.74 | $60.39 | $56.21 | $59.84 | +5.71% | 148,566,600 |
| Feb 2010 | $58.52 | $59.42 | $55.78 | $56.61 | -3.20% | 147,007,200 |
| Jan 2010 | $56.63 | $58.93 | $54.65 | $58.48 | +3.38% | 147,814,700 |
| Dec 2009 | $56.38 | $57.92 | $54.12 | $56.57 | +0.39% | 111,114,000 |
| Nov 2009 | $52.86 | $57.73 | $51.72 | $56.35 | +5.09% | 128,244,200 |
| Oct 2009 | $60.15 | $61.85 | $52.91 | $53.62 | -10.97% | 181,328,600 |
| Sep 2009 | $59.61 | $62.52 | $57.64 | $60.23 | +0.75% | 133,292,100 |
| Aug 2009 | $62.42 | $64.76 | $59.15 | $59.78 | -4.06% | 177,373,500 |
| Jul 2009 | $53.50 | $64.50 | $50.65 | $62.31 | +17.70% | 253,008,800 |
| Jun 2009 | $50.45 | $53.85 | $49.21 | $52.94 | +6.01% | 213,644,400 |
| May 2009 | $48.48 | $51.00 | $46.46 | $49.94 | +3.03% | 144,012,900 |
| Apr 2009 | $48.78 | $51.76 | $44.96 | $48.47 | -2.12% | 192,798,800 |
| Mar 2009 | $48.33 | $52.82 | $45.73 | $49.52 | +1.21% | 223,603,000 |
| Feb 2009 | $54.43 | $58.89 | $48.78 | $48.93 | -10.79% | 174,995,700 |
| Jan 2009 | $58.59 | $60.15 | $52.45 | $54.85 | -5.02% | 162,946,300 |
| Dec 2008 | $54.94 | $60.00 | $53.50 | $57.75 | +3.98% | 170,391,200 |
| Nov 2008 | $60.47 | $62.46 | $50.09 | $55.54 | -7.26% | 213,147,400 |
| Oct 2008 | $58.89 | $61.56 | $45.00 | $59.89 | +1.05% | 321,543,900 |
| Sep 2008 | $63.46 | $66.51 | $55.50 | $59.27 | -5.70% | 267,817,000 |
| Aug 2008 | $62.31 | $65.60 | $61.72 | $62.85 | +0.35% | 190,896,300 |
| Jul 2008 | $46.86 | $64.00 | $46.85 | $62.63 | +32.80% | 342,075,000 |
| Jun 2008 | $43.92 | $47.41 | $42.90 | $47.16 | +7.11% | 196,861,000 |
| May 2008 | $42.19 | $44.16 | $41.58 | $44.03 | +5.16% | 146,053,300 |
| Apr 2008 | $42.11 | $44.74 | $41.20 | $41.87 | +0.22% | 168,997,300 |
| Mar 2008 | $45.59 | $48.55 | $39.16 | $41.78 | -8.22% | 277,524,300 |
| Feb 2008 | $46.31 | $48.20 | $43.72 | $45.52 | -2.30% | 189,521,500 |
| Jan 2008 | $46.60 | $48.91 | $43.93 | $46.59 | +0.32% | 267,914,100 |
| Dec 2007 | $53.70 | $55.53 | $46.21 | $46.44 | -15.95% | 211,544,200 |
| Nov 2007 | $57.89 | $58.48 | $52.57 | $55.25 | -4.92% | 201,623,100 |
| Oct 2007 | $56.38 | $59.08 | $55.06 | $58.11 | +2.72% | 207,748,600 |
| Sep 2007 | $50.27 | $57.74 | $50.11 | $56.57 | +12.89% | 232,052,800 |
| Aug 2007 | $52.46 | $52.67 | $48.30 | $50.11 | -6.75% | 277,299,200 |
| Jul 2007 | $55.40 | $57.73 | $53.68 | $53.74 | -2.80% | 238,009,800 |
| Jun 2007 | $56.52 | $59.31 | $54.62 | $55.29 | -2.05% | 263,290,100 |
| May 2007 | $64.40 | $66.06 | $52.36 | $56.45 | -11.99% | 431,378,800 |
| Apr 2007 | $56.19 | $64.40 | $55.45 | $64.14 | +14.78% | 340,676,700 |
| Mar 2007 | $62.40 | $63.15 | $55.13 | $55.88 | -13.04% | 391,466,400 |
| Feb 2007 | $70.19 | $70.49 | $63.86 | $64.26 | -8.68% | 253,296,200 |
| Jan 2007 | $68.43 | $76.95 | $67.85 | $70.37 | +3.02% | 212,890,500 |
| Dec 2006 | $70.81 | $71.99 | $67.88 | $68.31 | -3.84% | 153,834,300 |
| Nov 2006 | $76.00 | $76.09 | $70.68 | $71.04 | -6.42% | 147,995,700 |
| Oct 2006 | $71.40 | $77.00 | $70.08 | $75.91 | +6.12% | 190,799,500 |
| Sep 2006 | $68.21 | $72.57 | $67.25 | $71.53 | +5.14% | 161,279,300 |
| Aug 2006 | $69.21 | $71.49 | $64.96 | $68.03 | -2.41% | 160,899,800 |
| Jul 2006 | $65.79 | $70.46 | $63.52 | $69.71 | +6.87% | 167,205,600 |
| Jun 2006 | $67.56 | $69.45 | $63.75 | $65.23 | -3.49% | 190,710,300 |
| May 2006 | $67.92 | $69.91 | $65.14 | $67.59 | -0.16% | 189,529,700 |
| Apr 2006 | $73.46 | $73.50 | $65.99 | $67.70 | -6.94% | 206,289,000 |
| Mar 2006 | $75.86 | $76.88 | $71.35 | $72.75 | -3.62% | 172,605,900 |
| Feb 2006 | $80.01 | $80.03 | $70.03 | $75.48 | +3.55% | 275,114,000 |
| Jan 2006 | $79.36 | $81.24 | $70.65 | $72.89 | -7.57% | 213,882,600 |
| Dec 2005 | $81.80 | $82.08 | $76.70 | $78.86 | -2.56% | 135,795,700 |
| Nov 2005 | $75.25 | $84.50 | $73.84 | $80.93 | +7.02% | 146,131,000 |
| Oct 2005 | $79.64 | $81.90 | $73.13 | $75.62 | -5.08% | 204,653,900 |
| Sep 2005 | $79.64 | $86.92 | $78.22 | $79.67 | -0.29% | 181,586,800 |
| Aug 2005 | $79.71 | $84.00 | $78.09 | $79.90 | +0.16% | 163,447,900 |
| Jul 2005 | $60.46 | $83.10 | $60.26 | $79.77 | +31.94% | 318,208,900 |
| Jun 2005 | $62.95 | $63.51 | $59.50 | $60.46 | -3.39% | 132,666,100 |
| May 2005 | $58.04 | $63.01 | $57.94 | $62.58 | +7.51% | 156,577,400 |
| Apr 2005 | $58.58 | $60.96 | $56.19 | $58.21 | 0.00% | 169,032,900 |
| Mar 2005 | $61.49 | $62.70 | $57.63 | $58.21 | -5.52% | 159,715,900 |
| Feb 2005 | $61.99 | $64.17 | $60.46 | $61.61 | -1.01% | 130,645,900 |
| Jan 2005 | $64.20 | $65.24 | $60.17 | $62.24 | -2.98% | 160,930,900 |
| Dec 2004 | $60.00 | $64.93 | $59.98 | $64.15 | +6.85% | 136,200,900 |
| Nov 2004 | $56.78 | $61.09 | $54.84 | $60.04 | +5.70% | 163,983,100 |
| Oct 2004 | $57.20 | $58.45 | $52.00 | $56.80 | -0.02% | 169,680,700 |
| Sep 2004 | $58.84 | $60.45 | $56.36 | $56.81 | -4.18% | 157,877,100 |
| Aug 2004 | $56.79 | $59.91 | $53.17 | $59.29 | +4.24% | 160,223,000 |
| Jul 2004 | $54.85 | $57.84 | $53.22 | $56.88 | +4.23% | 178,384,000 |
| Jun 2004 | $54.44 | $56.32 | $52.15 | $54.57 | -0.24% | 168,609,300 |
| May 2004 | $57.46 | $58.95 | $53.26 | $54.70 | -3.03% | 181,347,100 |
| Apr 2004 | $58.20 | $60.80 | $56.26 | $56.41 | -2.99% | 214,208,400 |
| Mar 2004 | $64.16 | $64.85 | $57.79 | $58.15 | -8.47% | 240,193,900 |
| Feb 2004 | $64.65 | $66.88 | $63.00 | $63.53 | -1.75% | 133,456,300 |
| Jan 2004 | $62.07 | $65.73 | $61.10 | $64.66 | +4.64% | 199,243,300 |
| Dec 2003 | $57.79 | $62.37 | $56.76 | $61.79 | +7.24% | 182,782,000 |
| Nov 2003 | $62.28 | $62.35 | $57.10 | $57.62 | -6.70% | 200,888,100 |
| Oct 2003 | $64.88 | $67.50 | $59.03 | $61.76 | -4.28% | 249,375,800 |
| Sep 2003 | $65.91 | $70.14 | $63.61 | $64.52 | -2.15% | 179,144,500 |
| Aug 2003 | $69.33 | $69.82 | $64.55 | $65.94 | -5.03% | 139,621,500 |
| Jul 2003 | $65.49 | $72.37 | $64.71 | $69.43 | +5.29% | 191,832,300 |
| Jun 2003 | $65.04 | $67.54 | $62.45 | $65.94 | +1.85% | 211,576,600 |
| May 2003 | $61.27 | $64.90 | $59.35 | $64.74 | +5.61% | 223,201,700 |
| Apr 2003 | $57.92 | $64.45 | $56.90 | $61.30 | +6.52% | 226,554,800 |
| Mar 2003 | $54.75 | $59.06 | $53.58 | $57.55 | +5.33% | 239,294,000 |
| Feb 2003 | $51.06 | $54.70 | $50.70 | $54.64 | +7.22% | 203,302,200 |
| Jan 2003 | $48.34 | $53.70 | $48.09 | $50.96 | +5.42% | 287,503,700 |
| Dec 2002 | $48.91 | $53.02 | $46.56 | $48.34 | +2.42% | 293,776,400 |
| Nov 2002 | $46.70 | $50.36 | $43.90 | $47.20 | +1.37% | 299,496,500 |
| Oct 2002 | $42.11 | $52.00 | $41.98 | $46.56 | +11.65% | 414,414,900 |
| Sep 2002 | $44.94 | $47.09 | $39.12 | $41.70 | -7.40% | 295,894,000 |
| Aug 2002 | $45.79 | $48.92 | $41.98 | $45.03 | -1.34% | 287,418,500 |
| Jul 2002 | $41.45 | $46.65 | $30.57 | $45.64 | +8.98% | 501,721,000 |
| Jun 2002 | $47.47 | $48.28 | $36.73 | $41.88 | -12.07% | 368,984,100 |
| May 2002 | $52.82 | $52.99 | $45.43 | $47.63 | -9.93% | 281,297,700 |
| Apr 2002 | $59.43 | $61.48 | $50.95 | $52.88 | -11.39% | 228,755,600 |
| Mar 2002 | $58.17 | $62.94 | $57.01 | $59.68 | +2.93% | 178,321,700 |
| Feb 2002 | $57.60 | $59.95 | $55.80 | $57.98 | +4.47% | 210,091,200 |
| Jan 2002 | $56.90 | $58.85 | $53.28 | $55.50 | -1.67% | 246,841,300 |
| Dec 2001 | $65.89 | $69.00 | $55.21 | $56.44 | -15.04% | 291,304,400 |
| Nov 2001 | $57.39 | $67.42 | $55.26 | $66.43 | +16.91% | 195,020,000 |
| Oct 2001 | $58.74 | $63.18 | $55.15 | $56.82 | -3.32% | 202,266,800 |
| Sep 2001 | $63.80 | $66.25 | $54.81 | $58.77 | -8.60% | 175,913,400 |
| Aug 2001 | $63.10 | $65.60 | $58.30 | $64.30 | +2.54% | 147,304,600 |
| Jul 2001 | $61.70 | $63.40 | $53.46 | $62.71 | +3.35% | 180,682,200 |
| Jun 2001 | $66.67 | $70.60 | $59.50 | $60.68 | -8.59% | 159,587,600 |
| May 2001 | $61.01 | $67.60 | $57.00 | $66.38 | +8.57% | 164,791,500 |
| Apr 2001 | $59.38 | $62.25 | $50.31 | $61.14 | +1.58% | 241,695,100 |
| Mar 2001 | $71.69 | $74.13 | $45.44 | $60.19 | -16.48% | 268,856,100 |
| Feb 2001 | $69.81 | $75.06 | $67.88 | $72.06 | +2.49% | 161,677,800 |
| Jan 2001 | $65.88 | $72.38 | $54.25 | $70.31 | +9.97% | 249,693,200 |
| Dec 2000 | $65.19 | $70.75 | $58.00 | $63.94 | +0.49% | 140,520,800 |
| Nov 2000 | $58.31 | $69.13 | $57.69 | $63.63 | +9.82% | 159,921,500 |
| Oct 2000 | $70.31 | $72.63 | $51.39 | $57.94 | -17.03% | 203,748,500 |
| Sep 2000 | $76.56 | $76.63 | $64.13 | $69.83 | -7.89% | 150,337,500 |
| Aug 2000 | $65.31 | $76.63 | $65.00 | $75.81 | +16.75% | 132,864,800 |
| Jul 2000 | $69.69 | $80.44 | $64.75 | $64.94 | -7.56% | 161,431,700 |
| Jun 2000 | $63.94 | $70.88 | $60.00 | $70.25 | +10.41% | 141,961,800 |
| May 2000 | $57.00 | $65.19 | $52.88 | $63.63 | +13.62% | 147,977,200 |
| Apr 2000 | $61.00 | $64.38 | $50.00 | $56.00 | -8.76% | 215,305,700 |
| Mar 2000 | $67.00 | $67.88 | $51.06 | $61.38 | -9.99% | 353,739,500 |
| Feb 2000 | $64.75 | $75.00 | $61.50 | $68.19 | +7.07% | 197,030,800 |
| Jan 2000 | $70.00 | $76.50 | $57.69 | $63.69 | +6.04% | 249,637,000 |
| Dec 1999 | $45.00 | $66.44 | $42.63 | $60.06 | +31.82% | 165,667,400 |
| Nov 1999 | $40.25 | $50.06 | $39.22 | $45.56 | +14.26% | 199,595,800 |
| Oct 1999 | $40.72 | $45.03 | $37.00 | $39.88 | -2.15% | 215,454,200 |
| Sep 1999 | $41.56 | $44.63 | $38.19 | $40.75 | -2.03% | 171,810,400 |
| Aug 1999 | $38.31 | $42.47 | $37.38 | $41.59 | +8.21% | 202,150,800 |
| Jul 1999 | $30.38 | $39.56 | $29.50 | $38.44 | +26.28% | 237,813,400 |
| Jun 1999 | $31.72 | $32.25 | $26.06 | $30.44 | -3.75% | 254,290,200 |
| May 1999 | $31.19 | $32.88 | $28.50 | $31.63 | +2.95% | 170,957,200 |
| Apr 1999 | $37.69 | $40.69 | $29.94 | $30.72 | -17.95% | 249,024,800 |
| Mar 1999 | $31.38 | $39.84 | $30.66 | $37.44 | +19.92% | 197,686,600 |
| Feb 1999 | $32.47 | $33.56 | $28.72 | $31.22 | -2.30% | 171,856,000 |
| Jan 1999 | $26.16 | $32.44 | $25.69 | $31.95 | +22.24% | 197,792,000 |
| Dec 1998 | $18.66 | $27.25 | $18.59 | $26.14 | +38.95% | 513,389,200 |
| Nov 1998 | $19.66 | $21.03 | $18.66 | $18.81 | -4.22% | 215,902,000 |
| Oct 1998 | $18.63 | $20.00 | $16.53 | $19.64 | +3.97% | 226,056,800 |
| Sep 1998 | $15.28 | $19.94 | $14.48 | $18.89 | +24.13% | 278,817,600 |
| Aug 1998 | $18.25 | $18.38 | $15.00 | $15.22 | -17.11% | 210,014,000 |
| Jul 1998 | $16.34 | $19.84 | $16.13 | $18.36 | +12.33% | 271,494,800 |
| Jun 1998 | $15.11 | $16.81 | $14.91 | $16.34 | +8.06% | 192,438,400 |
| May 1998 | $14.92 | $16.78 | $14.31 | $15.13 | +1.47% | 217,497,600 |
| Apr 1998 | $15.22 | $15.23 | $13.63 | $14.91 | -2.05% | 224,562,800 |
| Mar 1998 | $13.30 | $15.50 | $12.97 | $15.22 | +14.59% | 306,077,200 |
| Feb 1998 | $12.72 | $14.19 | $12.72 | $13.28 | +6.25% | 200,068,000 |
| Jan 1998 | $13.52 | $13.67 | $11.66 | $12.50 | -7.62% | 192,241,200 |
| Dec 1997 | $12.88 | $13.70 | $12.56 | $13.53 | +5.87% | 171,911,600 |
| Nov 1997 | $12.50 | $13.42 | $12.38 | $12.78 | +3.81% | 208,439,200 |
| Oct 1997 | $12.00 | $12.48 | $11.22 | $12.31 | +2.74% | 392,559,600 |
| Sep 1997 | $12.53 | $12.97 | $11.39 | $11.98 | -3.28% | 297,734,800 |
| Aug 1997 | $14.72 | $14.91 | $12.00 | $12.39 | -15.73% | 480,182,400 |
| Jul 1997 | $14.52 | $15.53 | $13.75 | $14.70 | +1.18% | 353,963,200 |
| Jun 1997 | $16.78 | $16.81 | $14.22 | $14.53 | -13.08% | 312,848,000 |
| May 1997 | $14.69 | $17.34 | $14.22 | $16.72 | +13.59% | 216,376,000 |
| Apr 1997 | $13.84 | $14.94 | $13.78 | $14.72 | +5.37% | 141,811,200 |
| Mar 1997 | $15.28 | $15.81 | $13.97 | $13.97 | -8.59% | 145,338,800 |
| Feb 1997 | $14.09 | $15.81 | $13.81 | $15.28 | +8.43% | 188,060,000 |
| Jan 1997 | $13.66 | $14.97 | $13.13 | $14.09 | +3.68% | 287,273,600 |
| Dec 1996 | $15.31 | $15.66 | $13.56 | $13.59 | -10.68% | 138,073,600 |
| Nov 1996 | $15.31 | $15.50 | $14.06 | $15.22 | -0.71% | 183,042,800 |
| Oct 1996 | $15.78 | $16.09 | $14.56 | $15.33 | -2.87% | 245,676,800 |
| Sep 1996 | $14.53 | $16.25 | $14.06 | $15.78 | +8.37% | 146,843,200 |
| Aug 1996 | $13.72 | $15.84 | $13.59 | $14.56 | +6.64% | 201,354,800 |
| Jul 1996 | $13.50 | $14.38 | $12.84 | $13.66 | +1.16% | 250,500,000 |
| Jun 1996 | $14.88 | $15.28 | $13.38 | $13.50 | -9.24% | 158,102,000 |
| May 1996 | $14.34 | $15.34 | $12.97 | $14.88 | +3.48% | 186,974,800 |
| Apr 1996 | $14.50 | $14.91 | $13.00 | $14.38 | -1.08% | 245,626,800 |
| Mar 1996 | $14.94 | $16.63 | $14.06 | $14.53 | -2.72% | 222,177,200 |
| Feb 1996 | $15.03 | $15.94 | $14.69 | $14.94 | -0.62% | 163,140,800 |
| Jan 1996 | $14.88 | $15.44 | $13.16 | $15.03 | +1.26% | 218,855,600 |
| Dec 1995 | $12.41 | $14.94 | $12.25 | $14.84 | +19.65% | 166,367,600 |
| Nov 1995 | $12.00 | $12.91 | $11.59 | $12.41 | +3.39% | 150,687,600 |
| Oct 1995 | $12.53 | $12.66 | $10.84 | $12.00 | -3.76% | 275,981,200 |
| Sep 1995 | $12.03 | $13.16 | $11.78 | $12.47 | +4.18% | 151,125,200 |
| Aug 1995 | $10.64 | $12.34 | $10.25 | $11.97 | +12.48% | 296,033,200 |
| Jul 1995 | $10.03 | $11.16 | $9.56 | $10.64 | +5.83% | 327,621,600 |
| Jun 1995 | $9.08 | $10.06 | $8.83 | $10.05 | +10.95% | 262,594,400 |
| May 1995 | $9.08 | $9.41 | $8.70 | $9.06 | -0.26% | 194,412,800 |
| Apr 1995 | $8.41 | $9.20 | $8.16 | $9.09 | +7.88% | 187,920,800 |
| Mar 1995 | $8.67 | $8.78 | $8.09 | $8.42 | -2.35% | 245,263,200 |
| Feb 1995 | $7.95 | $9.52 | $7.58 | $8.63 | +8.45% | 426,305,600 |
| Jan 1995 | $7.36 | $7.97 | $7.02 | $7.95 | +7.84% | 209,227,200 |
| Dec 1994 | $7.28 | $7.48 | $6.61 | $7.38 | +1.07% | 174,340,800 |
| Nov 1994 | $6.89 | $7.53 | $6.63 | $7.30 | +4.71% | 247,561,600 |
| Oct 1994 | $6.66 | $7.48 | $6.25 | $6.97 | +4.69% | 281,204,000 |
| Sep 1994 | $6.59 | $7.16 | $6.42 | $6.66 | +0.95% | 177,373,600 |
| Aug 1994 | $6.19 | $7.16 | $6.16 | $6.59 | +6.16% | 332,875,200 |
| Jul 1994 | $5.36 | $6.23 | $5.31 | $6.21 | +15.89% | 224,268,800 |
| Jun 1994 | $5.81 | $5.89 | $5.11 | $5.36 | -7.92% | 202,768,800 |
| May 1994 | $5.06 | $5.94 | $5.06 | $5.82 | +14.97% | 206,228,000 |
| Apr 1994 | $4.66 | $5.28 | $4.34 | $5.06 | +5.88% | 164,526,400 |
| Mar 1994 | $5.28 | $5.31 | $4.69 | $4.78 | -8.38% | 231,079,200 |
| Feb 1994 | $6.06 | $6.09 | $4.91 | $5.22 | -14.36% | 342,615,200 |
| Jan 1994 | $6.16 | $6.50 | $6.00 | $6.09 | -1.51% | 216,787,200 |
| Dec 1993 | $5.72 | $6.38 | $5.47 | $6.19 | +9.39% | 183,248,800 |
| Nov 1993 | $5.72 | $6.00 | $5.22 | $5.66 | -0.82% | 253,857,600 |
| Oct 1993 | $4.84 | $5.81 | $4.81 | $5.70 | +18.12% | 318,692,800 |
| Sep 1993 | $4.63 | $5.22 | $4.44 | $4.83 | +4.39% | 261,621,600 |
| Aug 1993 | $4.41 | $4.66 | $3.88 | $4.63 | +5.71% | 256,089,600 |
| Jul 1993 | $4.59 | $4.63 | $4.22 | $4.38 | -4.11% | 164,994,400 |
| Jun 1993 | $4.50 | $4.72 | $3.94 | $4.56 | +2.82% | 261,556,800 |
| May 1993 | $5.06 | $5.34 | $4.31 | $4.44 | -11.25% | 304,964,000 |
| Apr 1993 | $4.63 | $5.22 | $4.34 | $5.00 | +5.96% | 337,511,200 |
| Mar 1993 | $4.66 | $4.88 | $4.02 | $4.72 | +4.14% | 622,288,000 |
| Feb 1993 | $7.75 | $7.91 | $3.97 | $4.53 | -41.53% | 728,892,800 |
| Jan 1993 | $8.84 | $8.97 | $7.30 | $7.75 | -12.21% | 307,291,200 |
| Dec 1992 | $9.50 | $9.75 | $8.78 | $8.83 | -7.98% | 186,424,000 |
| Nov 1992 | $8.38 | $9.72 | $7.97 | $9.59 | +14.98% | 223,644,800 |
| Oct 1992 | $7.81 | $8.53 | $6.94 | $8.34 | +6.37% | 231,574,400 |
| Sep 1992 | $7.91 | $8.72 | $7.59 | $7.84 | -0.99% | 177,022,400 |
| Aug 1992 | $8.13 | $8.44 | $7.63 | $7.92 | -3.24% | 148,584,800 |
| Jul 1992 | $7.56 | $8.28 | $7.44 | $8.19 | +7.60% | 190,348,000 |
| Jun 1992 | $7.59 | $7.69 | $6.66 | $7.61 | -0.20% | 178,164,800 |
| May 1992 | $7.06 | $7.73 | $6.53 | $7.63 | +8.93% | 173,046,400 |
| Apr 1992 | $7.69 | $7.81 | $6.16 | $7.00 | -10.40% | 361,369,600 |
| Mar 1992 | $8.19 | $8.44 | $7.50 | $7.81 | -4.22% | 202,214,400 |
| Feb 1992 | $8.81 | $9.03 | $7.56 | $8.16 | -7.45% | 244,611,200 |
| Jan 1992 | $9.00 | $9.78 | $8.25 | $8.81 | -6.93% | 318,672,800 |
| Dec 1991 | $7.03 | $9.50 | $6.94 | $9.47 | +35.27% | 281,097,600 |
| Nov 1991 | $7.53 | $7.59 | $6.47 | $7.00 | -6.67% | 238,320,800 |
| Oct 1991 | $7.00 | $7.94 | $6.38 | $7.50 | +8.60% | 252,783,200 |
| Sep 1991 | $6.70 | $7.31 | $6.45 | $6.91 | +3.76% | 226,696,000 |
| Aug 1991 | $6.18 | $6.83 | $5.75 | $6.66 | +7.94% | 232,562,400 |
| Jul 1991 | $4.82 | $6.25 | $4.77 | $6.17 | +25.56% | 290,445,600 |
| Jun 1991 | $5.11 | $5.15 | $4.44 | $4.91 | -3.58% | 243,458,400 |
| May 1991 | $5.28 | $5.71 | $4.73 | $5.09 | -3.55% | 393,201,600 |
| Apr 1991 | $5.43 | $5.67 | $5.13 | $5.28 | -3.43% | 298,387,200 |
| Mar 1991 | $3.76 | $5.55 | $3.75 | $5.47 | +43.84% | 446,980,800 |
| Feb 1991 | $3.08 | $4.39 | $3.03 | $3.80 | +23.73% | 760,375,200 |
| Jan 1991 | $2.58 | $3.13 | $2.35 | $3.07 | +18.47% | 377,959,200 |
| Dec 1990 | $2.44 | $2.65 | $2.17 | $2.59 | +7.33% | 344,560,800 |
| Nov 1990 | $1.96 | $2.43 | $1.93 | $2.42 | +22.75% | 257,500,800 |
| Oct 1990 | $1.92 | $2.01 | $1.69 | $1.97 | +5.59% | 399,760,800 |
| Sep 1990 | $1.86 | $2.10 | $1.79 | $1.86 | -1.10% | 314,066,400 |
| Aug 1990 | $1.79 | $2.05 | $1.65 | $1.89 | +4.93% | 630,696,000 |
| Jul 1990 | $1.63 | $1.92 | $1.61 | $1.80 | +10.93% | 382,152,000 |
| Jun 1990 | $1.47 | $1.64 | $1.35 | $1.62 | +10.88% | 360,724,800 |
| May 1990 | $1.34 | $1.57 | $1.31 | $1.46 | +9.57% | 310,656,000 |
| Apr 1990 | $1.26 | $1.34 | $1.22 | $1.33 | +3.64% | 221,534,400 |
| Mar 1990 | $1.20 | $1.32 | $1.14 | $1.29 | +7.40% | 355,099,200 |
| Feb 1990 | $0.9635 | $1.21 | $0.8958 | $1.20 | +22.99% | 348,052,800 |
| Jan 1990 | $1.03 | $1.16 | $0.9583 | $0.974 | -4.59% | 349,646,400 |
| Dec 1989 | $1.16 | $1.26 | $0.9844 | $1.02 | -12.51% | 411,830,400 |
| Nov 1989 | $1.20 | $1.26 | $1.15 | $1.17 | -2.60% | 257,668,800 |
| Oct 1989 | $0.875 | $1.22 | $0.8698 | $1.20 | +36.90% | 552,528,000 |
| Sep 1989 | $0.8229 | $0.9219 | $0.8125 | $0.875 | +7.69% | 194,457,600 |
| Aug 1989 | $0.9063 | $0.9271 | $0.7813 | $0.8125 | -10.34% | 231,734,400 |
| Jul 1989 | $0.901 | $0.9792 | $0.8906 | $0.9063 | +0.58% | 188,908,800 |
| Jun 1989 | $0.849 | $1.00 | $0.8385 | $0.901 | +7.79% | 540,144,000 |
| May 1989 | $0.8385 | $0.8594 | $0.7448 | $0.8359 | +0.31% | 285,379,200 |
| Apr 1989 | $0.8594 | $0.901 | $0.7708 | $0.8333 | -2.44% | 184,915,200 |
| Mar 1989 | $0.7813 | $0.9219 | $0.7682 | $0.8542 | +8.61% | 312,331,200 |
| Feb 1989 | $0.7917 | $0.8281 | $0.75 | $0.7865 | 0.00% | 299,779,200 |
| Jan 1989 | $0.7031 | $0.8021 | $0.6458 | $0.7865 | +11.85% | 363,710,400 |
| Dec 1988 | $0.6563 | $0.7031 | $0.6302 | $0.7031 | +7.14% | 156,201,600 |
| Nov 1988 | $0.6615 | $0.6615 | $0.5677 | $0.6563 | -0.79% | 131,520,000 |
| Oct 1988 | $0.6719 | $0.6927 | $0.6354 | $0.6615 | -3.05% | 70,713,600 |
| Sep 1988 | $0.6563 | $0.7031 | $0.6146 | $0.6823 | +3.97% | 79,694,400 |
| Aug 1988 | $0.5885 | $0.6745 | $0.5677 | $0.6563 | +10.53% | 160,248,000 |
| Jul 1988 | $0.5677 | $0.599 | $0.526 | $0.5938 | +5.56% | 127,464,000 |
| Jun 1988 | $0.6042 | $0.6615 | $0.5573 | $0.5625 | -4.42% | 143,880,000 |
| May 1988 | $0.6094 | $0.6302 | $0.5313 | $0.5885 | -3.42% | 137,649,600 |
| Apr 1988 | $0.6667 | $0.6719 | $0.5521 | $0.6094 | -9.30% | 174,830,400 |
| Mar 1988 | $0.7031 | $0.75 | $0.6458 | $0.6719 | -3.01% | 142,958,400 |
| Feb 1988 | $0.6719 | $0.7552 | $0.6146 | $0.6927 | +2.31% | 169,080,000 |
| Jan 1988 | $0.651 | $0.7214 | $0.625 | $0.6771 | +4.84% | 200,644,800 |
| Dec 1987 | $0.4427 | $0.6563 | $0.4271 | $0.6458 | +45.88% | 147,033,600 |
| Nov 1987 | $0.5547 | $0.6068 | $0.4063 | $0.4427 | -20.19% | 153,249,600 |
| Oct 1987 | $0.6797 | $0.7813 | $0.3333 | $0.5547 | -18.39% | 261,254,400 |
| Sep 1987 | $0.6667 | $0.6927 | $0.6146 | $0.6797 | +1.95% | 137,836,800 |
| Aug 1987 | $0.6172 | $0.7266 | $0.599 | $0.6667 | +8.02% | 145,022,400 |
| Jul 1987 | $0.7943 | $0.7943 | $0.5313 | $0.6172 | -22.30% | 475,660,800 |
| Jun 1987 | $0.7943 | $0.8568 | $0.724 | $0.7943 | -5.86% | 164,232,000 |
| May 1987 | $0.8255 | $0.8958 | $0.763 | $0.8438 | +2.21% | 150,417,600 |
| Apr 1987 | $0.7943 | $0.8568 | $0.6797 | $0.8255 | +2.92% | 247,828,800 |
| Mar 1987 | $0.7813 | $0.9297 | $0.6849 | $0.8021 | +2.67% | 321,792,000 |
| Feb 1987 | $0.5443 | $0.7943 | $0.5365 | $0.7813 | +43.54% | 235,468,800 |
| Jan 1987 | $0.4609 | $0.6068 | $0.4609 | $0.5443 | +18.75% | 234,868,800 |
| Dec 1986 | $0.4922 | $0.4922 | $0.388 | $0.4583 | -7.85% | 137,491,200 |
| Nov 1986 | $0.4714 | $0.5078 | $0.3854 | $0.4974 | +5.52% | 137,640,000 |
| Oct 1986 | $0.3646 | $0.4792 | $0.3568 | $0.4714 | +29.29% | 100,358,400 |
| Sep 1986 | $0.4505 | $0.4583 | $0.276 | $0.3646 | -19.08% | 213,163,200 |
| Aug 1986 | $0.4661 | $0.5208 | $0.4219 | $0.4505 | -3.35% | 67,761,600 |
| Jul 1986 | $0.5156 | $0.5443 | $0.4401 | $0.4661 | -9.60% | 157,051,200 |
| Jun 1986 | $0.5365 | $0.6094 | $0.5078 | $0.5156 | -3.88% | 86,577,600 |
| May 1986 | $0.4271 | $0.6068 | $0.4167 | $0.5365 | +25.61% | 206,016,000 |
| Apr 1986 | $0.3854 | $0.5938 | $0.375 | $0.4271 | +10.81% | 205,492,800 |
| Mar 1986 | $0.3125 | $0.388 | $0.2891 | $0.3854 | +23.33% | 202,224,000 |
| Feb 1986 | $0.2943 | $0.3151 | $0.2604 | $0.3125 | +6.19% | 51,729,600 |
| Jan 1986 | $0.2786 | $0.2943 | $0.2578 | $0.2943 | +4.63% | 59,481,600 |
| Dec 1985 | $0.2318 | $0.3255 | $0.2318 | $0.2813 | +21.35% | 87,945,600 |
| Nov 1985 | $0.224 | $0.2448 | $0.2214 | $0.2318 | +5.95% | 23,419,200 |
| Oct 1985 | $0.1693 | $0.2214 | $0.1693 | $0.2188 | +31.25% | 50,208,000 |
| Sep 1985 | $0.1589 | $0.1693 | $0.1484 | $0.1667 | +4.92% | 21,076,800 |
| Aug 1985 | $0.151 | $0.1693 | $0.1458 | $0.1589 | +5.17% | 29,040,000 |
| Jul 1985 | $0.1667 | $0.1667 | $0.1406 | $0.151 | -9.37% | 22,555,200 |
| Jun 1985 | $0.1615 | $0.1667 | $0.1458 | $0.1667 | +3.23% | 20,011,200 |
| May 1985 | $0.1354 | $0.1771 | $0.1328 | $0.1615 | +26.53% | 57,969,600 |
| Apr 1985 | $0.1146 | $0.1302 | $0.1068 | $0.1276 | +11.36% | 30,369,600 |
| Mar 1985 | $0.1146 | $0.125 | $0.1016 | $0.1146 | 0.00% | 21,811,200 |
| Feb 1985 | $0.1458 | $0.1484 | $0.1146 | $0.1146 | -21.43% | 17,145,600 |
| Jan 1985 | $0.099 | $0.151 | $0.0964 | $0.1458 | +40.00% | 29,952,000 |
| Dec 1984 | $0.0911 | $0.1042 | $0.0885 | $0.1042 | +14.29% | 20,270,400 |
| Nov 1984 | $0.0964 | $0.099 | $0.0755 | $0.0911 | -2.78% | 16,425,600 |
| Oct 1984 | $0.1042 | $0.1068 | $0.0911 | $0.0938 | -10.00% | 17,361,600 |
| Sep 1984 | $0.1068 | $0.1068 | $0.1016 | $0.1042 | -2.44% | 14,102,400 |
| Aug 1984 | $0.099 | $0.1146 | $0.0964 | $0.1068 | +7.90% | 23,640,000 |
| Jul 1984 | $0.1198 | $0.125 | $0.099 | $0.099 | -17.39% | 9,700,800 |
| Jun 1984 | $0.112 | $0.125 | $0.1094 | $0.1198 | +6.98% | 16,416,000 |
| May 1984 | $0.112 | $0.1198 | $0.0964 | $0.112 | 0.00% | 22,665,600 |
| Apr 1984 | $0.125 | $0.1276 | $0.1016 | $0.112 | -10.42% | 19,286,400 |
| Mar 1984 | $0.125 | $0.1354 | $0.1224 | $0.125 | 0.00% | 11,481,600 |
| Feb 1984 | $0.1615 | $0.1641 | $0.125 | $0.125 | -22.58% | 12,024,000 |
| Jan 1984 | $0.151 | $0.1719 | $0.1458 | $0.1615 | +6.90% | 21,067,200 |
| Dec 1983 | $0.1432 | $0.1536 | $0.1328 | $0.151 | +5.45% | 36,772,800 |
| Nov 1983 | $0.1328 | $0.1693 | $0.1224 | $0.1432 | +5.77% | 28,574,400 |
| Oct 1983 | $0.1771 | $0.1823 | $0.1354 | $0.1354 | -23.53% | 16,411,200 |
| Sep 1983 | $0.1849 | $0.2135 | $0.1615 | $0.1771 | +1.49% | 31,368,000 |
| Aug 1983 | $0.2396 | $0.2396 | $0.1641 | $0.1745 | -27.17% | 11,059,200 |
| Jul 1983 | $0.2708 | $0.2865 | $0.2396 | $0.2396 | -11.54% | 21,849,600 |
| Jun 1983 | $0.3438 | $0.349 | $0.2656 | $0.2708 | – | 75,422,400 |
Seasonality
AMGN 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 | 2.5% | 0.6% | 0.5% | -0.6% | 0.4% | 3.1% | 3.8% | 3.6% | -1.3% | 1.1% | 4.3% | -0.3% |
| Months up | 7 of 10 | 5 of 10 | 6 of 10 | 2 of 10 | 3 of 10 | 8 of 10 | 9 of 10 | 7 of 10 | 4 of 10 | 4 of 10 | 7 of 9 | 4 of 9 |
| 2026 | 4.5% | 14.3% | -9.4% | -1.6% | -2.0% | 7.5% | 6.4% | 12.3% | -1.9% | 10.6% | ||
| 2025 | 9.5% | 8.8% | 1.1% | -6.6% | -0.1% | -3.1% | 5.7% | -1.7% | -1.9% | 5.8% | 16.6% | -5.3% |
| 2024 | 9.1% | -12.2% | 3.8% | -3.7% | 12.4% | 2.2% | 6.4% | 1.1% | -3.5% | -0.6% | -10.9% | -7.9% |
| 2023 | -3.9% | -7.4% | 4.4% | -0.8% | -7.1% | 0.6% | 5.5% | 10.4% | 4.8% | -4.9% | 6.3% | 6.8% |
| 2022 | 1.0% | 0.6% | 6.8% | -3.6% | 11.0% | -5.2% | 1.7% | -2.1% | -6.2% | 19.9% | 6.7% | -8.3% |
| 2021 | 5.0% | -6.1% | 10.6% | -3.7% | -0.0% | 2.4% | -0.9% | -5.9% | -5.7% | -2.7% | -3.1% | 13.1% |
| 2020 | -10.4% | -6.9% | 1.5% | 18.0% | -3.3% | 2.7% | 3.7% | 4.2% | 0.3% | -14.6% | 3.0% | 3.5% |
| 2019 | -3.9% | 2.4% | -0.1% | -5.6% | -6.2% | 10.5% | 1.2% | 12.6% | -7.2% | 10.2% | 10.8% | 2.7% |
| 2018 | 7.0% | -0.5% | -7.2% | 2.3% | 3.7% | 2.8% | 6.5% | 2.4% | 3.7% | -7.0% | 8.8% | -6.5% |
| 2017 | 7.2% | 13.4% | -7.1% | -0.5% | -4.3% | 10.9% | 1.3% | 2.6% | 4.9% | -6.0% | 0.9% | -1.0% |