Regeneron Pharmaceuticals, Inc. (REGN) stock
REGNNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 30, 2026Score 17/309% above fair value
$927.89+109.12 (+13.33%)
Close on Oct 30, 2026Market cap $95.53BP/E 20.5Yield –
Price history
Regeneron Pharmaceuticals share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$927.89
+13.33% on the day
52-week range
$591.52 – $935.35
-0.8% from the high
Change over 52 weeks
+41.9%
From $654.04 on Oct 30, 2025
Average volume
760,006
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $766.53 | $935.35 | $722.02 | $927.89 | +22.37% | 16,560,259 |
| Sep 2026 | $808.86 | $859.34 | $741.83 | $758.27 | -5.11% | 15,377,229 |
| Aug 2026 | $769.54 | $847.00 | $747.00 | $799.08 | +4.78% | 15,044,126 |
| Jul 2026 | $629.90 | $764.75 | $623.89 | $762.63 | +22.31% | 17,952,941 |
| Jun 2026 | $607.54 | $640.82 | $591.52 | $623.54 | +1.42% | 22,933,834 |
| May 2026 | $703.02 | $730.59 | $609.77 | $614.78 | -13.05% | 22,463,708 |
| Apr 2026 | $775.00 | $781.21 | $668.85 | $707.06 | -8.49% | 15,558,287 |
| Mar 2026 | $771.10 | $794.77 | $727.88 | $772.64 | -1.16% | 13,281,140 |
| Feb 2026 | $732.92 | $815.00 | $731.51 | $781.67 | +5.42% | 14,287,436 |
| Jan 2026 | $774.25 | $821.11 | $718.38 | $741.45 | -3.94% | 18,463,273 |
| Dec 2025 | $775.60 | $792.77 | $691.86 | $771.87 | -1.07% | 19,234,832 |
| Nov 2025 | $657.46 | $790.98 | $625.14 | $780.19 | +19.70% | 21,437,200 |
| Oct 2025 | $570.87 | $664.00 | $541.00 | $651.80 | +15.92% | 25,460,688 |
| Sep 2025 | $580.54 | $603.47 | $549.20 | $562.27 | -3.17% | 22,627,924 |
| Aug 2025 | $583.01 | $610.45 | $542.89 | $580.70 | +6.46% | 21,421,754 |
| Jul 2025 | $523.97 | $577.73 | $521.00 | $545.46 | +3.90% | 19,654,921 |
| Jun 2025 | $491.09 | $538.20 | $476.49 | $525.00 | +7.08% | 27,782,592 |
| May 2025 | $589.77 | $617.52 | $485.00 | $490.28 | -18.12% | 31,725,750 |
| Apr 2025 | $630.51 | $641.24 | $525.99 | $598.76 | -5.59% | 25,665,987 |
| Mar 2025 | $701.91 | $748.29 | $618.51 | $634.23 | -9.23% | 20,914,112 |
| Feb 2025 | $668.80 | $739.00 | $642.00 | $698.74 | +3.83% | 17,889,752 |
| Jan 2025 | $720.86 | $743.28 | $666.25 | $672.98 | -5.52% | 17,768,823 |
| Dec 2024 | $750.01 | $800.99 | $693.00 | $712.33 | -5.05% | 18,053,504 |
| Nov 2024 | $844.61 | $862.00 | $735.95 | $750.22 | -10.50% | 16,784,871 |
| Oct 2024 | $1,054.06 | $1,061.60 | $815.99 | $838.20 | -20.27% | 17,453,825 |
| Sep 2024 | $1,178.73 | $1,192.54 | $1,008.41 | $1,051.24 | -11.26% | 12,689,966 |
| Aug 2024 | $1,060.86 | $1,211.20 | $1,041.85 | $1,184.69 | +9.78% | 10,421,323 |
| Jul 2024 | $1,047.11 | $1,106.16 | $1,011.67 | $1,079.19 | +2.68% | 8,543,943 |
| Jun 2024 | $980.16 | $1,081.17 | $979.26 | $1,051.03 | +7.23% | 9,310,797 |
| May 2024 | $889.41 | $997.87 | $888.52 | $980.16 | +10.05% | 9,456,063 |
| Apr 2024 | $964.73 | $970.20 | $875.23 | $890.66 | -7.46% | 10,149,578 |
| Mar 2024 | $967.50 | $988.13 | $947.37 | $962.49 | -0.37% | 8,524,361 |
| Feb 2024 | $945.61 | $998.33 | $923.03 | $966.09 | +2.47% | 10,254,333 |
| Jan 2024 | $873.91 | $965.66 | $871.39 | $942.78 | +7.34% | 11,859,315 |
| Dec 2023 | $824.94 | $899.86 | $802.55 | $878.29 | +6.61% | 12,742,067 |
| Nov 2023 | $783.91 | $840.25 | $774.98 | $823.81 | +5.63% | 11,111,074 |
| Oct 2023 | $827.00 | $853.97 | $769.19 | $779.89 | -5.23% | 8,722,621 |
| Sep 2023 | $834.55 | $841.16 | $808.13 | $822.96 | -0.43% | 8,085,604 |
| Aug 2023 | $744.66 | $847.50 | $726.12 | $826.49 | +11.40% | 11,811,041 |
| Jul 2023 | $710.09 | $751.79 | $688.52 | $741.91 | +3.25% | 13,082,420 |
| Jun 2023 | $736.00 | $794.00 | $684.81 | $718.54 | -2.31% | 14,710,874 |
| May 2023 | $803.71 | $815.24 | $717.88 | $735.56 | -8.26% | 12,554,941 |
| Apr 2023 | $818.80 | $837.55 | $771.14 | $801.79 | -2.42% | 8,864,170 |
| Mar 2023 | $759.89 | $835.00 | $725.66 | $821.67 | +8.05% | 15,598,976 |
| Feb 2023 | $752.19 | $800.48 | $733.33 | $760.42 | +0.26% | 12,342,215 |
| Jan 2023 | $721.86 | $759.00 | $668.00 | $758.47 | +5.13% | 12,419,752 |
| Dec 2022 | $756.19 | $779.00 | $707.87 | $721.49 | -4.02% | 12,466,011 |
| Nov 2022 | $750.00 | $769.63 | $702.07 | $751.70 | +0.39% | 14,472,057 |
| Oct 2022 | $705.39 | $761.05 | $694.64 | $748.75 | +8.69% | 15,486,460 |
| Sep 2022 | $577.62 | $754.67 | $572.22 | $688.87 | +18.55% | 20,760,265 |
| Aug 2022 | $581.53 | $652.52 | $569.65 | $581.06 | -0.11% | 12,451,284 |
| Jul 2022 | $587.76 | $624.48 | $563.82 | $581.69 | -1.60% | 10,329,062 |
| Jun 2022 | $669.51 | $672.35 | $538.01 | $591.13 | -11.07% | 16,784,945 |
| May 2022 | $656.97 | $699.63 | $597.76 | $664.74 | +0.85% | 14,658,985 |
| Apr 2022 | $701.82 | $747.42 | $655.90 | $659.11 | -5.63% | 11,869,763 |
| Mar 2022 | $615.39 | $710.21 | $603.12 | $698.42 | +12.95% | 15,785,587 |
| Feb 2022 | $607.83 | $645.00 | $596.90 | $618.36 | +1.61% | 14,606,019 |
| Jan 2022 | $625.00 | $632.75 | $592.86 | $608.59 | -3.63% | 16,069,278 |
| Dec 2021 | $639.13 | $673.86 | $598.24 | $631.52 | -0.79% | 16,069,913 |
| Nov 2021 | $640.00 | $661.84 | $594.55 | $636.53 | -0.53% | 16,085,143 |
| Oct 2021 | $576.75 | $641.26 | $539.18 | $639.94 | +5.74% | 17,497,358 |
| Sep 2021 | $674.72 | $686.62 | $603.79 | $605.18 | -10.13% | 14,687,949 |
| Aug 2021 | $577.12 | $681.73 | $570.38 | $673.40 | +17.19% | 19,571,084 |
| Jul 2021 | $556.60 | $595.48 | $554.95 | $574.61 | +2.88% | 13,015,019 |
| Jun 2021 | $505.76 | $569.99 | $497.93 | $558.54 | +11.17% | 18,188,957 |
| May 2021 | $483.50 | $525.96 | $478.40 | $502.43 | +4.39% | 15,782,127 |
| Apr 2021 | $472.00 | $510.32 | $469.37 | $481.30 | +1.72% | 16,906,034 |
| Mar 2021 | $454.49 | $497.71 | $441.00 | $473.14 | +5.01% | 21,525,661 |
| Feb 2021 | $512.82 | $514.97 | $445.57 | $450.57 | -10.57% | 22,604,579 |
| Jan 2021 | $486.85 | $558.91 | $467.00 | $503.84 | +4.29% | 19,671,978 |
| Dec 2020 | $516.00 | $525.28 | $470.78 | $483.11 | -6.38% | 20,040,307 |
| Nov 2020 | $545.06 | $596.80 | $505.80 | $516.03 | -5.06% | 18,946,199 |
| Oct 2020 | $562.50 | $619.97 | $533.23 | $543.56 | -2.90% | 25,485,947 |
| Sep 2020 | $615.63 | $620.00 | $540.00 | $559.78 | -9.70% | 17,507,907 |
| Aug 2020 | $634.84 | $660.00 | $590.71 | $619.93 | -1.92% | 12,997,973 |
| Jul 2020 | $625.00 | $664.64 | $596.02 | $632.07 | +1.35% | 16,794,377 |
| Jun 2020 | $605.00 | $646.33 | $575.89 | $623.65 | +1.77% | 25,286,111 |
| May 2020 | $524.23 | $615.36 | $514.55 | $612.81 | +16.53% | 39,442,464 |
| Apr 2020 | $484.14 | $574.32 | $476.45 | $525.88 | +7.70% | 23,569,526 |
| Mar 2020 | $445.00 | $518.00 | $418.01 | $488.29 | +9.83% | 37,902,116 |
| Feb 2020 | $339.69 | $470.00 | $339.39 | $444.57 | +31.55% | 25,181,830 |
| Jan 2020 | $378.00 | $396.47 | $328.13 | $337.94 | -10.00% | 16,145,813 |
| Dec 2019 | $368.18 | $382.25 | $357.00 | $375.48 | +1.76% | 15,157,721 |
| Nov 2019 | $309.00 | $372.59 | $307.44 | $369.00 | +20.48% | 18,605,310 |
| Oct 2019 | $277.27 | $313.39 | $272.26 | $306.28 | +10.41% | 15,501,997 |
| Sep 2019 | $289.20 | $299.98 | $271.37 | $277.40 | -4.36% | 13,793,346 |
| Aug 2019 | $306.68 | $313.93 | $279.39 | $290.05 | -4.83% | 14,656,791 |
| Jul 2019 | $317.61 | $320.76 | $287.66 | $304.76 | -2.63% | 17,644,503 |
| Jun 2019 | $301.13 | $327.83 | $295.27 | $313.00 | +3.74% | 17,375,327 |
| May 2019 | $343.04 | $345.44 | $295.73 | $301.72 | -12.07% | 20,247,070 |
| Apr 2019 | $412.51 | $415.89 | $329.00 | $343.14 | -16.43% | 18,224,726 |
| Mar 2019 | $434.80 | $442.00 | $388.49 | $410.62 | -4.67% | 14,866,950 |
| Feb 2019 | $428.52 | $434.35 | $399.29 | $430.74 | +0.34% | 11,037,621 |
| Jan 2019 | $368.15 | $430.58 | $366.01 | $429.27 | +14.93% | 16,757,071 |
| Dec 2018 | $372.50 | $396.32 | $339.13 | $373.50 | +2.15% | 15,139,498 |
| Nov 2018 | $339.00 | $368.24 | $331.54 | $365.65 | +7.79% | 14,085,333 |
| Oct 2018 | $406.41 | $410.00 | $327.58 | $339.24 | -16.04% | 17,861,049 |
| Sep 2018 | $405.50 | $410.74 | $375.21 | $404.04 | -0.67% | 10,875,893 |
| Aug 2018 | $366.74 | $416.49 | $361.19 | $406.75 | +10.53% | 17,355,468 |
| Jul 2018 | $344.95 | $376.75 | $342.58 | $368.01 | +6.67% | 15,920,949 |
| Jun 2018 | $301.34 | $349.24 | $297.78 | $344.99 | +14.87% | 17,524,430 |
| May 2018 | $302.93 | $314.84 | $281.89 | $300.32 | -1.11% | 20,910,344 |
| Apr 2018 | $342.45 | $345.49 | $298.19 | $303.68 | -11.81% | 17,839,280 |
| Mar 2018 | $320.35 | $352.59 | $317.71 | $344.36 | +7.46% | 17,008,627 |
| Feb 2018 | $366.69 | $370.99 | $313.53 | $320.44 | -12.60% | 23,914,584 |
| Jan 2018 | $379.48 | $396.78 | $363.00 | $366.65 | -2.48% | 17,110,160 |
| Dec 2017 | $356.37 | $390.91 | $355.03 | $375.96 | +3.90% | 13,118,430 |
| Nov 2017 | $403.81 | $432.50 | $353.14 | $361.86 | -10.12% | 21,522,899 |
| Oct 2017 | $448.31 | $477.00 | $400.19 | $402.62 | -9.95% | 18,104,431 |
| Sep 2017 | $498.24 | $505.49 | $426.47 | $447.12 | -10.02% | 16,376,139 |
| Aug 2017 | $486.60 | $502.42 | $459.14 | $496.90 | +1.07% | 15,257,121 |
| Jul 2017 | $494.20 | $526.12 | $482.51 | $491.62 | +0.10% | 14,050,123 |
| Jun 2017 | $460.00 | $543.55 | $453.54 | $491.14 | +6.99% | 25,684,350 |
| May 2017 | $388.80 | $464.40 | $388.22 | $459.06 | +18.17% | 20,549,194 |
| Apr 2017 | $388.00 | $393.50 | $360.00 | $388.49 | +0.25% | 16,525,359 |
| Mar 2017 | $378.00 | $401.21 | $364.44 | $387.51 | +3.75% | 22,421,889 |
| Feb 2017 | $358.74 | $384.58 | $347.00 | $373.50 | +3.96% | 17,086,440 |
| Jan 2017 | $370.84 | $389.22 | $340.09 | $359.29 | -2.12% | 21,778,130 |
| Dec 2016 | $379.48 | $396.68 | $348.82 | $367.09 | -3.20% | 17,758,531 |
| Nov 2016 | $345.52 | $452.96 | $325.35 | $379.24 | +9.92% | 24,662,821 |
| Oct 2016 | $402.02 | $407.79 | $344.85 | $345.02 | -14.18% | 12,725,984 |
| Sep 2016 | $394.75 | $424.35 | $384.01 | $402.02 | +2.41% | 16,489,500 |
| Aug 2016 | $425.09 | $443.99 | $390.02 | $392.55 | -7.66% | 17,166,400 |
| Jul 2016 | $349.00 | $425.88 | $348.43 | $425.12 | +21.73% | 15,297,000 |
| Jun 2016 | $398.75 | $408.35 | $329.09 | $349.23 | -12.46% | 20,553,100 |
| May 2016 | $377.95 | $402.48 | $360.25 | $398.93 | +5.90% | 20,724,600 |
| Apr 2016 | $373.99 | $433.93 | $360.81 | $376.71 | +4.51% | 20,814,900 |
| Mar 2016 | $387.86 | $419.00 | $348.96 | $360.44 | -6.14% | 20,597,900 |
| Feb 2016 | $417.19 | $437.53 | $350.26 | $384.02 | -8.59% | 19,529,800 |
| Jan 2016 | $531.76 | $532.91 | $400.00 | $420.09 | -22.62% | 21,407,200 |
| Dec 2015 | $549.25 | $563.79 | $526.26 | $542.87 | -0.30% | 12,981,500 |
| Nov 2015 | $568.29 | $592.59 | $540.26 | $544.50 | -2.31% | 15,062,800 |
| Oct 2015 | $464.01 | $578.00 | $448.10 | $557.39 | +19.83% | 19,779,700 |
| Sep 2015 | $499.29 | $557.87 | $435.52 | $465.14 | -9.42% | 20,759,500 |
| Aug 2015 | $558.47 | $605.93 | $480.50 | $513.50 | -7.25% | 18,111,500 |
| Jul 2015 | $515.23 | $569.91 | $503.64 | $553.66 | +8.53% | 13,328,200 |
| Jun 2015 | $517.08 | $544.00 | $482.92 | $510.13 | -0.47% | 17,538,900 |
| May 2015 | $463.02 | $519.46 | $462.00 | $512.56 | +12.04% | 15,383,600 |
| Apr 2015 | $450.00 | $486.00 | $433.47 | $457.46 | +1.32% | 15,868,700 |
| Mar 2015 | $416.28 | $495.50 | $406.85 | $451.48 | +9.10% | 21,053,400 |
| Feb 2015 | $419.79 | $432.38 | $393.00 | $413.84 | -0.68% | 16,313,000 |
| Jan 2015 | $413.90 | $427.45 | $395.56 | $416.66 | +1.56% | 17,185,100 |
| Dec 2014 | $413.98 | $437.64 | $383.87 | $410.25 | -1.41% | 16,987,000 |
| Nov 2014 | $395.27 | $419.27 | $365.25 | $416.11 | +5.69% | 15,016,100 |
| Oct 2014 | $363.95 | $410.18 | $320.06 | $393.72 | +9.21% | 20,885,900 |
| Sep 2014 | $367.00 | $369.31 | $340.39 | $360.52 | +2.87% | 16,774,200 |
| Aug 2014 | $323.74 | $354.79 | $314.00 | $350.46 | +10.83% | 13,941,100 |
| Jul 2014 | $285.50 | $336.94 | $285.06 | $316.22 | +11.95% | 19,959,800 |
| Jun 2014 | $308.70 | $320.00 | $269.50 | $282.47 | -7.98% | 18,323,800 |
| May 2014 | $297.10 | $311.69 | $276.01 | $306.96 | +3.39% | 15,361,600 |
| Apr 2014 | $304.76 | $316.00 | $273.23 | $296.89 | -1.13% | 21,935,800 |
| Mar 2014 | $328.09 | $352.49 | $296.61 | $300.28 | -9.69% | 27,725,200 |
| Feb 2014 | $288.91 | $348.25 | $274.02 | $332.50 | +15.22% | 23,679,800 |
| Jan 2014 | $275.77 | $304.42 | $262.97 | $288.59 | +4.85% | 19,504,800 |
| Dec 2013 | $292.41 | $297.59 | $257.69 | $275.24 | -6.34% | 14,237,000 |
| Nov 2013 | $290.81 | $305.67 | $268.01 | $293.86 | +2.18% | 18,020,200 |
| Oct 2013 | $316.58 | $319.50 | $271.15 | $287.60 | -8.08% | 15,132,600 |
| Sep 2013 | $245.99 | $319.83 | $245.99 | $312.87 | +29.12% | 16,255,900 |
| Aug 2013 | $272.57 | $278.73 | $227.64 | $242.31 | -10.28% | 14,001,000 |
| Jul 2013 | $231.60 | $282.27 | $225.78 | $270.06 | +20.09% | 14,502,200 |
| Jun 2013 | $241.83 | $261.75 | $206.30 | $224.88 | -7.03% | 20,450,400 |
| May 2013 | $214.75 | $283.99 | $214.70 | $241.88 | +12.43% | 25,130,500 |
| Apr 2013 | $180.00 | $220.98 | $177.12 | $215.14 | +21.96% | 33,854,500 |
| Mar 2013 | $166.65 | $177.99 | $165.25 | $176.40 | +5.63% | 10,955,100 |
| Feb 2013 | $175.14 | $182.59 | $154.16 | $167.00 | -3.99% | 18,017,100 |
| Jan 2013 | $176.42 | $185.78 | $164.00 | $173.94 | +1.68% | 14,998,200 |
| Dec 2012 | $180.15 | $188.92 | $164.06 | $171.07 | -3.10% | 16,572,900 |
| Nov 2012 | $144.50 | $188.95 | $136.13 | $176.55 | +24.07% | 19,225,100 |
| Oct 2012 | $153.11 | $166.39 | $141.57 | $142.30 | -6.79% | 16,418,200 |
| Sep 2012 | $148.40 | $153.98 | $141.84 | $152.66 | +3.11% | 13,476,500 |
| Aug 2012 | $136.30 | $148.23 | $131.24 | $148.05 | +9.95% | 13,983,400 |
| Jul 2012 | $115.15 | $138.68 | $111.50 | $134.65 | +17.89% | 17,525,800 |
| Jun 2012 | $133.23 | $134.90 | $107.31 | $114.22 | -15.80% | 22,006,300 |
| May 2012 | $134.94 | $138.73 | $119.49 | $135.65 | +0.29% | 22,426,100 |
| Apr 2012 | $117.46 | $145.04 | $115.92 | $135.26 | +15.98% | 18,294,200 |
| Mar 2012 | $104.32 | $121.39 | $102.02 | $116.62 | +11.29% | 17,282,900 |
| Feb 2012 | $90.46 | $116.93 | $89.92 | $104.79 | +15.33% | 30,846,600 |
| Jan 2012 | $56.51 | $91.75 | $56.01 | $90.86 | +63.92% | 31,221,600 |
| Dec 2011 | $59.10 | $60.38 | $50.27 | $55.43 | -6.71% | 32,233,500 |
| Nov 2011 | $54.28 | $59.71 | $49.58 | $59.42 | +7.45% | 20,724,700 |
| Oct 2011 | $57.37 | $66.47 | $54.03 | $55.30 | -4.98% | 27,384,900 |
| Sep 2011 | $59.44 | $79.90 | $57.43 | $58.20 | -1.41% | 35,667,900 |
| Aug 2011 | $54.00 | $63.45 | $42.83 | $59.03 | +11.25% | 30,218,800 |
| Jul 2011 | $56.46 | $61.28 | $51.51 | $53.06 | -6.44% | 14,231,800 |
| Jun 2011 | $59.83 | $61.05 | $51.38 | $56.71 | -5.51% | 19,989,500 |
| May 2011 | $51.12 | $60.38 | $46.60 | $60.02 | +17.59% | 22,633,900 |
| Apr 2011 | $44.78 | $71.74 | $41.83 | $51.04 | +13.57% | 44,174,700 |
| Mar 2011 | $36.43 | $45.11 | $35.97 | $44.94 | +23.90% | 10,827,500 |
| Feb 2011 | $33.69 | $38.10 | $33.40 | $36.27 | +7.69% | 11,849,500 |
| Jan 2011 | $32.69 | $35.87 | $32.32 | $33.68 | +2.59% | 8,992,300 |
| Dec 2010 | $29.12 | $33.94 | $28.95 | $32.83 | +13.91% | 11,893,900 |
| Nov 2010 | $26.37 | $30.90 | $24.29 | $28.82 | +10.38% | 17,089,300 |
| Oct 2010 | $27.53 | $29.64 | $26.07 | $26.11 | -4.71% | 12,466,800 |
| Sep 2010 | $22.43 | $27.53 | $22.00 | $27.40 | +24.66% | 6,486,800 |
| Aug 2010 | $24.67 | $25.70 | $21.50 | $21.98 | -9.14% | 6,732,100 |
| Jul 2010 | $22.31 | $25.60 | $20.45 | $24.19 | +8.38% | 14,054,500 |
| Jun 2010 | $28.30 | $30.58 | $22.32 | $22.32 | -21.88% | 24,979,800 |
| May 2010 | $25.71 | $28.95 | $22.90 | $28.57 | +11.91% | 16,728,800 |
| Apr 2010 | $26.59 | $27.50 | $23.72 | $25.53 | -3.62% | 8,653,900 |
| Mar 2010 | $24.53 | $27.68 | $23.42 | $26.49 | +8.30% | 12,295,000 |
| Feb 2010 | $26.70 | $30.51 | $24.01 | $24.46 | -8.25% | 17,938,900 |
| Jan 2010 | $24.24 | $27.14 | $23.55 | $26.66 | +10.26% | 9,926,000 |
| Dec 2009 | $18.44 | $24.97 | $18.28 | $24.18 | +31.77% | 12,849,200 |
| Nov 2009 | $15.76 | $19.96 | $15.02 | $18.35 | +16.88% | 14,868,300 |
| Oct 2009 | $19.29 | $19.35 | $15.43 | $15.70 | -18.65% | 12,352,000 |
| Sep 2009 | $22.54 | $23.49 | $19.17 | $19.30 | -15.09% | 9,831,000 |
| Aug 2009 | $22.00 | $23.04 | $20.83 | $22.73 | +5.82% | 8,797,700 |
| Jul 2009 | $18.11 | $22.00 | $16.05 | $21.48 | +19.87% | 10,370,700 |
| Jun 2009 | $15.20 | $18.42 | $14.91 | $17.92 | +17.35% | 12,010,700 |
| May 2009 | $14.20 | $16.72 | $13.48 | $15.27 | +15.16% | 11,631,800 |
| Apr 2009 | $13.62 | $13.95 | $12.11 | $13.26 | -4.33% | 11,648,300 |
| Mar 2009 | $14.04 | $15.13 | $11.81 | $13.86 | -2.74% | 13,003,400 |
| Feb 2009 | $17.18 | $20.08 | $14.18 | $14.25 | -18.48% | 9,266,500 |
| Jan 2009 | $18.42 | $19.40 | $14.92 | $17.48 | -4.79% | 6,654,700 |
| Dec 2008 | $14.68 | $19.45 | $13.66 | $18.36 | +18.76% | 9,741,000 |
| Nov 2008 | $19.48 | $20.75 | $12.62 | $15.46 | -19.90% | 9,644,600 |
| Oct 2008 | $21.59 | $22.82 | $14.44 | $19.30 | -11.59% | 14,289,100 |
| Sep 2008 | $22.04 | $24.00 | $18.21 | $21.83 | +0.51% | 16,925,000 |
| Aug 2008 | $21.84 | $23.25 | $19.43 | $21.72 | -0.78% | 12,932,400 |
| Jul 2008 | $14.35 | $22.65 | $13.29 | $21.89 | +51.59% | 13,991,200 |
| Jun 2008 | $19.88 | $19.89 | $13.75 | $14.44 | -27.44% | 17,958,600 |
| May 2008 | $19.45 | $21.68 | $18.01 | $19.90 | +1.43% | 13,500,400 |
| Apr 2008 | $19.29 | $21.30 | $17.76 | $19.62 | +2.24% | 9,983,300 |
| Mar 2008 | $19.78 | $21.33 | $15.61 | $19.19 | -2.93% | 16,952,800 |
| Feb 2008 | $20.32 | $21.62 | $17.35 | $19.77 | -2.51% | 11,527,800 |
| Jan 2008 | $24.02 | $25.25 | $19.96 | $20.28 | -16.02% | 13,352,700 |
| Dec 2007 | $22.30 | $24.90 | $21.36 | $24.15 | +10.88% | 12,706,300 |
| Nov 2007 | $21.75 | $23.75 | $16.77 | $21.78 | -1.00% | 16,213,100 |
| Oct 2007 | $18.04 | $22.76 | $17.18 | $22.00 | +23.60% | 15,354,300 |
| Sep 2007 | $19.45 | $21.78 | $17.66 | $17.80 | -8.53% | 13,533,100 |
| Aug 2007 | $14.81 | $19.75 | $13.55 | $19.46 | +30.69% | 24,471,500 |
| Jul 2007 | $18.04 | $18.69 | $14.87 | $14.89 | -16.91% | 13,226,800 |
| Jun 2007 | $22.45 | $23.50 | $17.55 | $17.92 | -20.14% | 28,420,800 |
| May 2007 | $27.14 | $28.74 | $21.88 | $22.44 | -17.50% | 22,373,600 |
| Apr 2007 | $21.62 | $28.72 | $21.52 | $27.20 | +25.81% | 16,149,100 |
| Mar 2007 | $19.36 | $22.65 | $17.87 | $21.62 | +8.97% | 15,081,600 |
| Feb 2007 | $19.79 | $22.82 | $18.97 | $19.84 | -0.25% | 12,044,600 |
| Jan 2007 | $19.93 | $22.84 | $19.23 | $19.89 | -0.90% | 9,997,800 |
| Dec 2006 | $21.54 | $21.94 | $19.76 | $20.07 | -6.69% | 9,467,700 |
| Nov 2006 | $20.20 | $24.85 | $19.69 | $21.51 | +7.28% | 15,985,700 |
| Oct 2006 | $15.57 | $20.43 | $15.27 | $20.05 | +27.79% | 8,928,400 |
| Sep 2006 | $15.92 | $17.00 | $15.22 | $15.69 | -1.20% | 7,414,300 |
| Aug 2006 | $13.59 | $16.19 | $13.01 | $15.88 | +16.25% | 5,288,900 |
| Jul 2006 | $12.82 | $13.93 | $10.88 | $13.66 | +6.55% | 6,587,200 |
| Jun 2006 | $12.93 | $13.42 | $11.79 | $12.82 | -0.93% | 8,271,100 |
| May 2006 | $14.66 | $15.78 | $10.97 | $12.94 | -10.88% | 9,250,700 |
| Apr 2006 | $16.55 | $16.69 | $13.58 | $14.52 | -12.69% | 7,189,000 |
| Mar 2006 | $16.37 | $18.00 | $16.00 | $16.63 | +1.59% | 8,385,800 |
| Feb 2006 | $15.15 | $18.00 | $14.66 | $16.37 | +7.49% | 8,207,600 |
| Jan 2006 | $15.80 | $17.68 | $14.35 | $15.23 | -4.21% | 11,015,500 |
| Dec 2005 | $11.15 | $17.37 | $10.15 | $15.90 | +42.35% | 11,594,900 |
| Nov 2005 | $12.51 | $13.40 | $10.45 | $11.17 | -10.71% | 9,641,800 |
| Oct 2005 | $9.43 | $12.70 | $8.55 | $12.51 | +31.82% | 11,546,600 |
| Sep 2005 | $7.48 | $9.72 | $7.47 | $9.49 | +27.04% | 6,810,200 |
| Aug 2005 | $9.65 | $10.22 | $7.36 | $7.47 | -22.51% | 6,055,800 |
| Jul 2005 | $8.40 | $10.67 | $8.37 | $9.64 | +14.90% | 5,704,700 |
| Jun 2005 | $6.17 | $8.84 | $5.91 | $8.39 | +34.67% | 8,422,700 |
| May 2005 | $5.60 | $7.59 | $5.60 | $6.23 | +11.85% | 10,053,600 |
| Apr 2005 | $5.11 | $5.90 | $4.61 | $5.57 | +9.00% | 9,066,100 |
| Mar 2005 | $6.11 | $6.20 | $4.75 | $5.11 | -16.37% | 7,536,400 |
| Feb 2005 | $7.28 | $7.51 | $6.11 | $6.11 | -15.14% | 6,338,500 |
| Jan 2005 | $9.36 | $9.36 | $6.95 | $7.20 | -21.82% | 6,140,500 |
| Dec 2004 | $9.35 | $9.85 | $8.54 | $9.21 | -0.11% | 5,666,100 |
| Nov 2004 | $7.16 | $9.27 | $7.16 | $9.22 | +26.82% | 5,260,600 |
| Oct 2004 | $8.65 | $9.25 | $6.54 | $7.27 | -16.24% | 7,076,400 |
| Sep 2004 | $8.88 | $9.63 | $8.20 | $8.68 | -2.58% | 3,419,900 |
| Aug 2004 | $8.63 | $9.18 | $6.76 | $8.91 | +4.09% | 5,657,500 |
| Jul 2004 | $10.61 | $10.80 | $7.28 | $8.56 | -18.71% | 5,703,100 |
| Jun 2004 | $11.25 | $11.65 | $8.53 | $10.53 | -6.23% | 12,659,600 |
| May 2004 | $12.59 | $13.71 | $10.76 | $11.23 | -10.38% | 10,168,200 |
| Apr 2004 | $13.55 | $15.85 | $12.10 | $12.53 | -7.73% | 14,697,700 |
| Mar 2004 | $14.24 | $16.45 | $12.80 | $13.58 | -4.10% | 10,894,100 |
| Feb 2004 | $14.85 | $17.00 | $13.29 | $14.16 | -4.71% | 12,485,400 |
| Jan 2004 | $14.81 | $16.97 | $14.50 | $14.86 | +1.02% | 8,655,000 |
| Dec 2003 | $12.86 | $15.64 | $12.39 | $14.71 | +14.21% | 7,097,800 |
| Nov 2003 | $13.85 | $14.04 | $11.80 | $12.88 | -6.94% | 6,806,900 |
| Oct 2003 | $17.60 | $18.72 | $12.53 | $13.84 | -21.68% | 19,004,300 |
| Sep 2003 | $15.48 | $22.35 | $15.17 | $17.67 | +16.17% | 20,049,600 |
| Aug 2003 | $15.38 | $15.65 | $12.22 | $15.21 | -1.23% | 7,889,200 |
| Jul 2003 | $16.08 | $16.95 | $14.21 | $15.40 | -2.28% | 7,681,600 |
| Jun 2003 | $14.96 | $18.78 | $13.14 | $15.76 | +14.70% | 32,346,500 |
| May 2003 | $6.40 | $14.30 | $6.27 | $13.74 | +117.06% | 34,867,600 |
| Apr 2003 | $7.53 | $7.66 | $5.77 | $6.33 | -15.82% | 28,081,500 |
| Mar 2003 | $18.20 | $20.85 | $7.40 | $7.52 | -59.00% | 45,743,800 |
| Feb 2003 | $18.60 | $19.03 | $16.37 | $18.34 | -2.08% | 7,620,400 |
| Jan 2003 | $18.55 | $21.49 | $18.49 | $18.73 | +1.19% | 11,145,700 |
| Dec 2002 | $21.75 | $22.20 | $18.05 | $18.51 | -14.50% | 6,863,900 |
| Nov 2002 | $15.33 | $22.85 | $14.99 | $21.65 | +43.09% | 6,958,600 |
| Oct 2002 | $13.65 | $16.02 | $12.25 | $15.13 | +12.07% | 7,296,400 |
| Sep 2002 | $15.55 | $15.55 | $11.34 | $13.50 | -12.62% | 6,736,100 |
| Aug 2002 | $17.45 | $17.94 | $13.73 | $15.45 | -10.17% | 7,063,000 |
| Jul 2002 | $14.37 | $18.34 | $11.25 | $17.20 | +18.54% | 9,672,600 |
| Jun 2002 | $16.80 | $17.02 | $12.21 | $14.51 | -12.17% | 10,689,800 |
| May 2002 | $21.30 | $21.31 | $16.00 | $16.52 | -20.00% | 8,847,600 |
| Apr 2002 | $24.58 | $25.40 | $17.50 | $20.65 | -17.37% | 10,550,300 |
| Mar 2002 | $22.65 | $27.00 | $21.40 | $24.99 | +10.04% | 8,711,400 |
| Feb 2002 | $25.00 | $26.25 | $19.74 | $22.71 | -8.43% | 17,332,000 |
| Jan 2002 | $28.04 | $30.20 | $24.45 | $24.80 | -11.93% | 9,705,300 |
| Dec 2001 | $27.36 | $29.93 | $26.00 | $28.16 | +1.77% | 4,966,800 |
| Nov 2001 | $22.26 | $28.59 | $21.35 | $27.67 | +25.20% | 6,711,900 |
| Oct 2001 | $22.20 | $28.34 | $20.34 | $22.10 | -0.63% | 14,339,400 |
| Sep 2001 | $29.72 | $30.86 | $20.24 | $22.24 | -26.16% | 3,188,100 |
| Aug 2001 | $29.30 | $31.75 | $25.51 | $30.12 | +12.10% | 3,123,300 |
| Jul 2001 | $34.16 | $35.30 | $25.44 | $26.87 | -22.45% | 2,872,900 |
| Jun 2001 | $31.54 | $38.00 | $31.54 | $34.65 | +8.59% | 4,994,100 |
| May 2001 | $30.67 | $31.95 | $26.00 | $31.91 | +2.90% | 3,121,800 |
| Apr 2001 | $22.50 | $31.30 | $20.88 | $31.01 | +39.76% | 2,934,000 |
| Mar 2001 | $31.00 | $32.13 | $21.13 | $22.19 | -29.28% | 7,834,400 |
| Feb 2001 | $33.00 | $36.94 | $30.00 | $31.38 | -4.20% | 1,705,700 |
| Jan 2001 | $36.44 | $40.25 | $29.88 | $32.75 | -7.13% | 5,148,500 |
| Dec 2000 | $24.75 | $41.69 | $24.25 | $35.27 | +44.68% | 6,757,400 |
| Nov 2000 | $26.13 | $30.50 | $19.63 | $24.38 | -8.88% | 5,365,100 |
| Oct 2000 | $32.38 | $33.19 | $21.25 | $26.75 | -18.01% | 4,344,700 |
| Sep 2000 | $35.63 | $36.25 | $29.88 | $32.63 | -7.94% | 2,632,400 |
| Aug 2000 | $28.06 | $36.25 | $26.25 | $35.44 | +26.28% | 4,598,500 |
| Jul 2000 | $29.00 | $33.19 | $24.63 | $28.06 | -5.87% | 3,691,000 |
| Jun 2000 | $23.75 | $30.25 | $21.56 | $29.81 | +46.32% | 3,481,800 |
| May 2000 | $28.63 | $32.63 | $19.00 | $20.38 | -28.67% | 2,591,700 |
| Apr 2000 | $29.38 | $30.25 | $15.13 | $28.56 | -3.38% | 7,410,100 |
| Mar 2000 | $55.88 | $56.00 | $20.50 | $29.56 | -47.68% | 12,697,000 |
| Feb 2000 | $12.03 | $57.38 | $12.03 | $56.50 | +358.88% | 15,014,700 |
| Jan 2000 | $13.19 | $18.25 | $10.95 | $12.31 | -3.43% | 3,952,000 |
| Dec 1999 | $7.88 | $13.00 | $7.56 | $12.75 | +67.21% | 2,842,900 |
| Nov 1999 | $7.94 | $9.25 | $7.31 | $7.63 | -4.69% | 1,159,400 |
| Oct 1999 | $8.13 | $8.38 | $6.50 | $8.00 | -1.54% | 1,042,600 |
| Sep 1999 | $9.44 | $9.69 | $6.88 | $8.13 | -14.47% | 1,785,800 |
| Aug 1999 | $8.25 | $9.94 | $8.25 | $9.50 | +13.43% | 1,324,100 |
| Jul 1999 | $7.88 | $8.81 | $7.88 | $8.38 | +7.20% | 1,333,100 |
| Jun 1999 | $7.25 | $8.25 | $6.25 | $7.81 | +9.65% | 1,343,200 |
| May 1999 | $6.63 | $7.44 | $6.13 | $7.13 | +7.55% | 1,071,700 |
| Apr 1999 | $6.56 | $7.25 | $5.38 | $6.63 | 0.00% | 1,365,300 |
| Mar 1999 | $7.75 | $8.00 | $6.38 | $6.63 | -14.52% | 1,660,600 |
| Feb 1999 | $7.75 | $10.13 | $7.38 | $7.75 | -3.13% | 2,106,400 |
| Jan 1999 | $7.00 | $8.38 | $6.88 | $8.00 | +8.47% | 1,067,300 |
| Dec 1998 | $8.19 | $8.63 | $6.31 | $7.38 | -10.61% | 1,879,700 |
| Nov 1998 | $8.44 | $8.63 | $7.38 | $8.25 | 0.00% | 872,100 |
| Oct 1998 | $7.19 | $8.75 | $5.88 | $8.25 | +7.32% | 1,718,800 |
| Sep 1998 | $6.88 | $8.50 | $5.75 | $7.69 | +17.14% | 1,568,700 |
| Aug 1998 | $8.00 | $8.25 | $6.00 | $6.56 | -17.97% | 1,497,100 |
| Jul 1998 | $9.44 | $9.75 | $7.75 | $8.00 | -13.22% | 1,319,900 |
| Jun 1998 | $9.75 | $9.75 | $8.38 | $9.22 | -1.34% | 1,218,800 |
| May 1998 | $9.81 | $10.66 | $9.00 | $9.34 | -4.78% | 1,201,800 |
| Apr 1998 | $7.63 | $11.00 | $7.25 | $9.81 | +33.05% | 3,624,500 |
| Mar 1998 | $8.00 | $9.13 | $7.31 | $7.38 | -9.23% | 3,027,800 |
| Feb 1998 | $7.13 | $9.50 | $7.13 | $8.13 | +16.07% | 5,626,200 |
| Jan 1998 | $8.75 | $9.38 | $7.00 | $7.00 | -18.25% | 1,231,900 |
| Dec 1997 | $9.94 | $10.38 | $8.00 | $8.56 | -13.29% | 1,317,900 |
| Nov 1997 | $10.75 | $11.50 | $9.13 | $9.88 | -5.39% | 668,300 |
| Oct 1997 | $11.13 | $13.00 | $9.75 | $10.44 | -6.70% | 2,141,900 |
| Sep 1997 | $8.88 | $11.75 | $8.75 | $11.19 | +20.95% | 2,513,000 |
| Aug 1997 | $10.13 | $10.50 | $8.75 | $9.25 | -7.50% | 1,282,400 |
| Jul 1997 | $10.13 | $10.75 | $8.75 | $10.00 | -1.23% | 1,788,700 |
| Jun 1997 | $10.13 | $11.13 | $9.88 | $10.13 | -4.71% | 1,733,300 |
| May 1997 | $6.25 | $13.13 | $6.25 | $10.63 | +63.46% | 6,703,400 |
| Apr 1997 | $7.88 | $8.75 | $6.13 | $6.50 | -18.75% | 2,976,300 |
| Mar 1997 | $9.88 | $10.13 | $7.50 | $8.00 | -20.00% | 1,934,700 |
| Feb 1997 | $9.63 | $10.75 | $9.25 | $10.00 | +2.56% | 1,580,700 |
| Jan 1997 | $16.13 | $21.25 | $8.00 | $9.75 | -39.53% | 15,609,900 |
| Dec 1996 | $18.88 | $22.38 | $14.88 | $16.13 | -15.69% | 5,831,800 |
| Nov 1996 | $18.88 | $20.38 | $18.25 | $19.13 | +0.66% | 2,137,300 |
| Oct 1996 | $20.00 | $24.88 | $17.50 | $19.00 | -5.59% | 5,388,600 |
| Sep 1996 | $16.38 | $20.88 | $16.13 | $20.13 | +20.15% | 4,208,100 |
| Aug 1996 | $15.88 | $17.88 | $15.38 | $16.75 | +6.35% | 2,929,600 |
| Jul 1996 | $17.38 | $17.50 | $13.25 | $15.75 | -9.35% | 4,543,700 |
| Jun 1996 | $17.50 | $19.13 | $14.88 | $17.38 | 0.00% | 5,149,500 |
| May 1996 | $14.00 | $19.88 | $12.69 | $17.38 | +23.01% | 7,987,200 |
| Apr 1996 | $12.75 | $15.25 | $11.75 | $14.13 | +10.78% | 3,137,600 |
| Mar 1996 | $11.75 | $14.38 | $11.75 | $12.75 | +6.25% | 4,047,600 |
| Feb 1996 | $15.13 | $16.00 | $11.25 | $12.00 | -21.31% | 3,373,100 |
| Jan 1996 | $12.75 | $16.75 | $11.75 | $15.25 | +19.61% | 5,456,700 |
| Dec 1995 | $11.13 | $14.13 | $11.00 | $12.75 | +14.61% | 4,022,600 |
| Nov 1995 | $12.63 | $12.75 | $8.50 | $11.13 | -13.59% | 6,741,500 |
| Oct 1995 | $15.63 | $16.00 | $12.25 | $12.88 | -17.60% | 2,202,500 |
| Sep 1995 | $15.13 | $16.50 | $11.00 | $15.63 | +1.63% | 6,317,100 |
| Aug 1995 | $13.63 | $15.50 | $11.38 | $15.38 | +17.70% | 4,947,300 |
| Jul 1995 | $9.00 | $13.13 | $8.75 | $13.06 | +45.14% | 4,878,400 |
| Jun 1995 | $5.88 | $10.13 | $5.50 | $9.00 | +46.94% | 5,460,100 |
| May 1995 | $6.25 | $6.63 | $5.88 | $6.13 | -3.92% | 982,600 |
| Apr 1995 | $6.25 | $7.13 | $5.88 | $6.38 | +2.00% | 912,100 |
| Mar 1995 | $6.25 | $6.38 | $5.63 | $6.25 | 0.00% | 1,410,900 |
| Feb 1995 | $6.75 | $7.13 | $6.00 | $6.25 | -5.66% | 1,311,800 |
| Jan 1995 | $3.38 | $7.25 | $3.13 | $6.63 | +120.83% | 9,589,000 |
| Dec 1994 | $4.00 | $4.25 | $3.00 | $3.00 | -29.41% | 2,890,300 |
| Nov 1994 | $4.25 | $4.63 | $3.50 | $4.25 | +4.62% | 2,434,500 |
| Oct 1994 | $4.63 | $5.00 | $3.75 | $4.06 | -16.67% | 628,200 |
| Sep 1994 | $4.13 | $5.50 | $3.75 | $4.88 | +18.18% | 1,905,000 |
| Aug 1994 | $3.88 | $4.25 | $3.50 | $4.13 | +6.45% | 914,800 |
| Jul 1994 | $4.50 | $4.63 | $3.75 | $3.88 | -13.89% | 1,390,900 |
| Jun 1994 | $6.38 | $8.50 | $3.63 | $4.50 | -29.41% | 3,348,300 |
| May 1994 | $7.88 | $8.63 | $5.88 | $6.38 | -19.05% | 1,630,600 |
| Apr 1994 | $6.75 | $8.25 | $6.13 | $7.88 | +14.55% | 1,828,500 |
| Mar 1994 | $14.00 | $14.13 | $6.50 | $6.88 | -50.89% | 6,554,000 |
| Feb 1994 | $16.00 | $16.00 | $13.50 | $14.00 | -11.81% | 1,164,700 |
| Jan 1994 | $15.50 | $17.38 | $14.88 | $15.88 | +2.42% | 2,842,800 |
| Dec 1993 | $14.75 | $16.63 | $14.25 | $15.50 | +5.08% | 1,292,200 |
| Nov 1993 | $18.00 | $18.50 | $14.25 | $14.75 | -19.18% | 2,695,100 |
| Oct 1993 | $15.38 | $18.38 | $14.38 | $18.25 | +17.74% | 2,869,400 |
| Sep 1993 | $16.13 | $18.25 | $13.63 | $15.50 | -3.13% | 3,542,600 |
| Aug 1993 | $18.25 | $19.75 | $14.50 | $16.00 | -12.33% | 3,970,800 |
| Jul 1993 | $16.50 | $21.50 | $16.50 | $18.25 | +10.61% | 1,762,400 |
| Jun 1993 | $15.25 | $17.00 | $15.25 | $16.50 | +7.32% | 1,582,200 |
| May 1993 | $14.75 | $17.50 | $13.00 | $15.38 | +2.50% | 1,597,100 |
| Apr 1993 | $15.00 | $16.50 | $12.75 | $15.00 | -1.64% | 1,397,100 |
| Mar 1993 | $12.75 | $15.50 | $10.75 | $15.25 | +19.61% | 1,585,100 |
| Feb 1993 | $15.25 | $16.50 | $10.50 | $12.75 | -15.00% | 1,642,700 |
| Jan 1993 | $12.00 | $16.50 | $12.00 | $15.00 | +25.00% | 3,619,200 |
| Dec 1992 | $14.00 | $14.25 | $10.50 | $12.00 | -14.29% | 1,014,200 |
| Nov 1992 | $9.25 | $14.25 | $8.25 | $14.00 | +60.00% | 1,419,400 |
| Oct 1992 | $9.00 | $9.25 | $7.75 | $8.75 | +2.94% | 890,200 |
| Sep 1992 | $8.75 | $9.75 | $8.25 | $8.50 | +3.03% | 819,800 |
| Aug 1992 | $12.50 | $12.75 | $7.75 | $8.25 | -34.00% | 1,790,400 |
| Jul 1992 | $11.25 | $12.50 | $10.25 | $12.50 | +11.11% | 803,200 |
| Jun 1992 | $13.50 | $14.50 | $9.88 | $11.25 | -18.18% | 1,217,200 |
| May 1992 | $13.25 | $14.25 | $10.75 | $13.75 | +1.85% | 677,700 |
| Apr 1992 | $15.75 | $16.50 | $10.75 | $13.50 | -11.48% | 1,666,100 |
| Mar 1992 | $18.00 | $18.50 | $14.50 | $15.25 | -15.28% | 931,400 |
| Feb 1992 | $21.00 | $23.25 | $15.25 | $18.00 | -12.20% | 3,010,400 |
| Jan 1992 | $18.25 | $21.00 | $17.00 | $20.50 | +13.10% | 4,001,800 |
| Dec 1991 | $15.50 | $18.25 | $14.50 | $18.13 | +15.08% | 1,405,700 |
| Nov 1991 | $19.75 | $21.00 | $13.75 | $15.75 | -18.18% | 5,509,800 |
| Oct 1991 | $14.25 | $20.50 | $14.25 | $19.25 | +30.51% | 4,524,700 |
| Sep 1991 | $12.13 | $17.50 | $12.00 | $14.75 | +28.26% | 3,674,500 |
| Aug 1991 | $11.63 | $12.25 | $9.75 | $11.50 | 0.00% | 1,567,100 |
| Jul 1991 | $10.75 | $12.00 | $9.75 | $11.50 | +3.37% | 830,000 |
| Jun 1991 | $12.50 | $12.50 | $10.25 | $11.13 | -9.18% | 1,258,100 |
| May 1991 | $12.75 | $14.13 | $10.25 | $12.25 | -2.97% | 3,041,000 |
| Apr 1991 | $22.00 | $23.25 | $12.00 | $12.63 | – | 8,944,200 |
Seasonality
REGN 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 | 0.4% | 2.7% | 3.2% | -4.8% | -0.2% | 4.1% | 3.9% | 5.5% | -3.6% | 0.9% | 3.1% | -0.3% |
| Months up | 4 of 10 | 8 of 10 | 6 of 10 | 3 of 10 | 5 of 10 | 8 of 10 | 8 of 10 | 7 of 10 | 1 of 10 | 5 of 10 | 5 of 9 | 4 of 9 |
| 2026 | -3.9% | 5.6% | -1.2% | -8.5% | -12.9% | 1.4% | 22.3% | 4.9% | -5.1% | 22.4% | ||
| 2025 | -5.5% | 4.0% | -9.2% | -5.6% | -18.0% | 7.1% | 3.9% | 6.6% | -3.2% | 15.9% | 19.8% | -1.1% |
| 2024 | 7.3% | 2.5% | -0.4% | -7.5% | 10.0% | 7.2% | 2.7% | 9.8% | -11.3% | -20.3% | -10.5% | -5.1% |
| 2023 | 5.1% | 0.3% | 8.1% | -2.4% | -8.3% | -2.3% | 3.3% | 11.4% | -0.4% | -5.2% | 5.6% | 6.6% |
| 2022 | -3.6% | 1.6% | 12.9% | -5.6% | 0.9% | -11.1% | -1.6% | -0.1% | 18.6% | 8.7% | 0.4% | -4.0% |
| 2021 | 4.3% | -10.6% | 5.0% | 1.7% | 4.4% | 11.2% | 2.9% | 17.2% | -10.1% | 5.7% | -0.5% | -0.8% |
| 2020 | -10.0% | 31.6% | 9.8% | 7.7% | 16.5% | 1.8% | 1.4% | -1.9% | -9.7% | -2.9% | -5.1% | -6.4% |
| 2019 | 14.9% | 0.3% | -4.7% | -16.4% | -12.1% | 3.7% | -2.6% | -4.8% | -4.4% | 10.4% | 20.5% | 1.8% |
| 2018 | -2.5% | -12.6% | 7.5% | -11.8% | -1.1% | 14.9% | 6.7% | 10.5% | -0.7% | -16.0% | 7.8% | 2.1% |
| 2017 | -2.1% | 4.0% | 3.8% | 0.3% | 18.2% | 7.0% | 0.1% | 1.1% | -10.0% | -10.0% | -10.1% | 3.9% |