IDEXX Laboratories Inc (IDXX) stock
IDXXNasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 2026Score 19/309% above fair value
$551.21−24.77 (-4.30%)
Close on Oct 30, 2026Market cap $43.42BP/E 38.8Yield –
Price history
IDEXX Laboratories share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$551.21
-4.30% on the day
52-week range
$500.61 – $769.98
-28.4% from the high
Change over 52 weeks
-12.3%
From $628.54 on Oct 30, 2025
Average volume
577,702
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $521.58 | $586.00 | $501.17 | $551.21 | +5.56% | 11,852,032 |
| Sep 2026 | $555.95 | $558.42 | $500.61 | $522.19 | -6.20% | 10,681,781 |
| Aug 2026 | $569.69 | $624.15 | $538.20 | $556.69 | -0.43% | 12,871,542 |
| Jul 2026 | $533.61 | $581.37 | $528.71 | $559.07 | +6.20% | 13,081,354 |
| Jun 2026 | $555.96 | $581.47 | $518.55 | $526.44 | -6.58% | 14,144,385 |
| May 2026 | $564.70 | $585.12 | $523.38 | $563.53 | +0.49% | 13,392,831 |
| Apr 2026 | $561.67 | $605.82 | $544.01 | $560.80 | -0.19% | 11,281,727 |
| Mar 2026 | $639.48 | $651.06 | $548.51 | $561.89 | -14.44% | 11,450,854 |
| Feb 2026 | $657.01 | $666.14 | $606.04 | $656.73 | -2.05% | 10,543,353 |
| Jan 2026 | $676.53 | $726.41 | $661.89 | $670.46 | -0.90% | 9,505,648 |
| Dec 2025 | $741.57 | $746.77 | $675.88 | $676.53 | -10.14% | 11,516,241 |
| Nov 2025 | $693.00 | $769.98 | $665.25 | $752.88 | +19.60% | 12,915,453 |
| Oct 2025 | $630.72 | $651.50 | $600.57 | $629.51 | -1.47% | 10,018,979 |
| Sep 2025 | $637.05 | $661.39 | $613.28 | $638.89 | -1.27% | 8,722,197 |
| Aug 2025 | $530.38 | $688.12 | $527.81 | $647.09 | +21.11% | 14,585,686 |
| Jul 2025 | $533.88 | $579.47 | $506.91 | $534.31 | -0.38% | 11,723,005 |
| Jun 2025 | $508.72 | $537.47 | $504.56 | $536.34 | +4.48% | 9,628,250 |
| May 2025 | $468.18 | $523.48 | $462.05 | $513.36 | +18.65% | 15,368,414 |
| Apr 2025 | $417.47 | $441.87 | $356.14 | $432.65 | +3.02% | 23,110,629 |
| Mar 2025 | $438.81 | $448.69 | $404.60 | $419.95 | -3.93% | 15,438,130 |
| Feb 2025 | $465.00 | $474.67 | $423.82 | $437.11 | +3.57% | 14,106,914 |
| Jan 2025 | $417.15 | $437.62 | $405.84 | $422.05 | +2.08% | 13,937,006 |
| Dec 2024 | $424.94 | $453.26 | $404.36 | $413.44 | -1.97% | 12,211,731 |
| Nov 2024 | $408.58 | $444.84 | $398.50 | $421.75 | +3.64% | 13,779,335 |
| Oct 2024 | $505.22 | $505.52 | $404.74 | $406.92 | -19.46% | 14,636,669 |
| Sep 2024 | $475.91 | $530.60 | $465.53 | $505.22 | +4.96% | 7,437,473 |
| Aug 2024 | $475.33 | $503.60 | $446.28 | $481.33 | +1.09% | 10,874,807 |
| Jul 2024 | $486.44 | $516.96 | $458.00 | $476.12 | -2.27% | 11,180,842 |
| Jun 2024 | $495.28 | $521.52 | $483.02 | $487.20 | -1.96% | 10,858,725 |
| May 2024 | $473.00 | $548.88 | $462.00 | $496.95 | +0.85% | 11,918,879 |
| Apr 2024 | $541.37 | $542.41 | $471.42 | $492.76 | -8.74% | 10,023,929 |
| Mar 2024 | $575.23 | $583.39 | $524.52 | $539.93 | -6.14% | 7,684,663 |
| Feb 2024 | $519.62 | $579.68 | $510.02 | $575.23 | +11.68% | 8,770,909 |
| Jan 2024 | $548.40 | $564.80 | $507.61 | $515.08 | -7.20% | 9,673,533 |
| Dec 2023 | $464.59 | $568.30 | $464.59 | $555.05 | +19.16% | 10,554,970 |
| Nov 2023 | $388.37 | $484.07 | $372.50 | $465.82 | +16.61% | 11,087,134 |
| Oct 2023 | $435.00 | $456.78 | $387.44 | $399.47 | -8.64% | 11,264,123 |
| Sep 2023 | $516.06 | $516.06 | $430.81 | $437.27 | -14.50% | 8,560,625 |
| Aug 2023 | $534.60 | $545.00 | $477.55 | $511.41 | -7.81% | 9,631,601 |
| Jul 2023 | $497.40 | $564.74 | $479.34 | $554.73 | +10.45% | 10,372,756 |
| Jun 2023 | $464.61 | $506.56 | $446.00 | $502.23 | +8.06% | 9,063,397 |
| May 2023 | $492.20 | $501.39 | $453.59 | $464.77 | -5.57% | 8,915,503 |
| Apr 2023 | $500.00 | $503.89 | $461.02 | $492.16 | -1.58% | 7,210,601 |
| Mar 2023 | $470.86 | $500.48 | $447.56 | $500.08 | +5.67% | 8,598,296 |
| Feb 2023 | $482.01 | $515.79 | $462.29 | $473.24 | -1.51% | 10,643,296 |
| Jan 2023 | $409.92 | $497.48 | $399.27 | $480.50 | +17.78% | 11,273,804 |
| Dec 2022 | $426.10 | $448.01 | $395.10 | $407.96 | -4.21% | 8,381,299 |
| Nov 2022 | $375.06 | $446.74 | $354.81 | $425.87 | +18.40% | 11,439,822 |
| Oct 2022 | $328.00 | $367.42 | $317.06 | $359.68 | +10.40% | 9,676,700 |
| Sep 2022 | $345.01 | $379.61 | $321.79 | $325.80 | -6.28% | 11,447,698 |
| Aug 2022 | $393.51 | $417.77 | $345.66 | $347.62 | -12.92% | 12,926,252 |
| Jul 2022 | $352.33 | $408.60 | $348.57 | $399.18 | +13.81% | 10,997,748 |
| Jun 2022 | $390.31 | $393.49 | $318.50 | $350.73 | -10.44% | 13,327,194 |
| May 2022 | $429.37 | $441.01 | $330.66 | $391.62 | -9.03% | 19,797,140 |
| Apr 2022 | $546.54 | $558.01 | $429.13 | $430.48 | -21.31% | 10,267,713 |
| Mar 2022 | $527.66 | $560.92 | $484.57 | $547.06 | +2.76% | 11,392,493 |
| Feb 2022 | $512.15 | $574.33 | $468.53 | $532.35 | +4.94% | 10,376,210 |
| Jan 2022 | $655.66 | $656.31 | $460.36 | $507.30 | -22.96% | 11,832,429 |
| Dec 2021 | $612.99 | $664.70 | $575.59 | $658.46 | +8.29% | 7,770,117 |
| Nov 2021 | $665.08 | $670.93 | $597.84 | $608.07 | -8.72% | 7,956,382 |
| Oct 2021 | $623.15 | $672.93 | $597.69 | $666.14 | +7.11% | 6,409,344 |
| Sep 2021 | $671.64 | $695.18 | $620.86 | $621.90 | -7.70% | 9,864,235 |
| Aug 2021 | $687.41 | $706.51 | $657.12 | $673.76 | -0.70% | 7,700,654 |
| Jul 2021 | $628.81 | $706.95 | $627.23 | $678.53 | +7.44% | 7,742,127 |
| Jun 2021 | $565.64 | $639.65 | $539.49 | $631.55 | +13.16% | 7,468,386 |
| May 2021 | $552.77 | $565.93 | $507.66 | $558.11 | +1.66% | 7,884,318 |
| Apr 2021 | $487.49 | $561.52 | $482.90 | $548.99 | +12.20% | 6,821,410 |
| Mar 2021 | $529.68 | $543.28 | $462.00 | $489.31 | -5.93% | 11,634,900 |
| Feb 2021 | $483.02 | $573.99 | $479.37 | $520.17 | +8.67% | 10,291,835 |
| Jan 2021 | $503.00 | $516.87 | $455.23 | $478.68 | -4.24% | 7,596,565 |
| Dec 2020 | $461.99 | $503.83 | $447.82 | $499.87 | +8.44% | 8,010,119 |
| Nov 2020 | $430.48 | $485.00 | $421.15 | $460.98 | +8.51% | 9,332,357 |
| Oct 2020 | $396.29 | $453.20 | $382.68 | $424.82 | +8.07% | 7,646,938 |
| Sep 2020 | $393.95 | $407.45 | $347.54 | $393.11 | +0.52% | 9,825,757 |
| Aug 2020 | $398.02 | $399.84 | $372.18 | $391.06 | -1.68% | 9,689,534 |
| Jul 2020 | $331.74 | $407.86 | $329.69 | $397.75 | +20.47% | 8,162,006 |
| Jun 2020 | $308.65 | $332.68 | $294.17 | $330.16 | +6.89% | 12,300,490 |
| May 2020 | $277.51 | $311.97 | $266.00 | $308.88 | +11.27% | 11,674,014 |
| Apr 2020 | $237.81 | $289.00 | $226.02 | $277.60 | +14.60% | 12,556,059 |
| Mar 2020 | $254.93 | $263.73 | $168.65 | $242.24 | -4.82% | 22,589,559 |
| Feb 2020 | $276.08 | $296.25 | $238.04 | $254.51 | -6.09% | 10,264,057 |
| Jan 2020 | $261.53 | $291.50 | $259.99 | $271.01 | +3.78% | 10,673,079 |
| Dec 2019 | $251.33 | $265.93 | $246.74 | $261.13 | +3.80% | 9,414,824 |
| Nov 2019 | $285.56 | $287.92 | $249.36 | $251.58 | -11.73% | 11,712,176 |
| Oct 2019 | $273.40 | $294.57 | $264.07 | $285.01 | +4.81% | 8,231,296 |
| Sep 2019 | $288.89 | $291.64 | $257.01 | $271.93 | -6.15% | 8,145,027 |
| Aug 2019 | $268.51 | $291.05 | $256.27 | $289.74 | +2.73% | 9,446,757 |
| Jul 2019 | $278.25 | $292.17 | $273.39 | $282.05 | +2.44% | 7,392,053 |
| Jun 2019 | $250.05 | $278.61 | $245.00 | $275.33 | +10.23% | 7,018,859 |
| May 2019 | $231.63 | $258.45 | $230.00 | $249.77 | +7.66% | 11,039,385 |
| Apr 2019 | $225.52 | $233.21 | $214.25 | $232.00 | +3.76% | 9,234,486 |
| Mar 2019 | $213.25 | $226.15 | $198.75 | $223.60 | +5.96% | 10,506,971 |
| Feb 2019 | $214.03 | $214.50 | $201.59 | $211.03 | -0.82% | 9,779,814 |
| Jan 2019 | $182.49 | $213.00 | $176.11 | $212.78 | +14.39% | 11,743,144 |
| Dec 2018 | $206.25 | $207.75 | $176.15 | $186.02 | -8.71% | 12,489,221 |
| Nov 2018 | $196.88 | $212.18 | $188.75 | $203.76 | -3.94% | 11,598,953 |
| Oct 2018 | $250.00 | $252.69 | $199.86 | $212.12 | -15.04% | 13,267,691 |
| Sep 2018 | $253.37 | $254.28 | $239.01 | $249.66 | -1.72% | 8,798,610 |
| Aug 2018 | $244.93 | $256.22 | $227.79 | $254.04 | +3.72% | 9,630,564 |
| Jul 2018 | $216.83 | $252.49 | $215.28 | $244.93 | +12.38% | 8,557,820 |
| Jun 2018 | $210.51 | $229.01 | $210.51 | $217.94 | +4.67% | 8,564,690 |
| May 2018 | $194.02 | $217.89 | $189.42 | $208.21 | +7.05% | 12,133,876 |
| Apr 2018 | $191.29 | $202.26 | $183.86 | $194.49 | +1.62% | 7,550,822 |
| Mar 2018 | $187.39 | $207.14 | $180.33 | $191.39 | +2.22% | 11,577,617 |
| Feb 2018 | $189.53 | $198.73 | $166.70 | $187.23 | +0.10% | 13,497,711 |
| Jan 2018 | $157.59 | $188.55 | $157.53 | $187.04 | +19.61% | 10,471,036 |
| Dec 2017 | $156.14 | $165.77 | $151.74 | $156.38 | -0.02% | 9,272,597 |
| Nov 2017 | $167.79 | $167.79 | $146.09 | $156.41 | -5.87% | 12,688,026 |
| Oct 2017 | $156.13 | $168.66 | $153.45 | $166.17 | +6.87% | 8,890,418 |
| Sep 2017 | $155.72 | $162.49 | $152.96 | $155.49 | +0.04% | 8,821,453 |
| Aug 2017 | $163.84 | $165.41 | $148.80 | $155.43 | -6.63% | 14,733,696 |
| Jul 2017 | $162.39 | $171.37 | $157.77 | $166.46 | +3.12% | 10,486,908 |
| Jun 2017 | $166.88 | $173.01 | $156.02 | $161.42 | -4.14% | 15,607,315 |
| May 2017 | $168.30 | $169.23 | $158.83 | $168.39 | +0.39% | 12,207,899 |
| Apr 2017 | $155.07 | $172.00 | $153.24 | $167.73 | +8.49% | 11,220,838 |
| Mar 2017 | $145.84 | $155.65 | $145.24 | $154.61 | +6.67% | 16,130,101 |
| Feb 2017 | $122.40 | $146.17 | $121.19 | $144.94 | +18.48% | 16,549,434 |
| Jan 2017 | $118.29 | $122.47 | $113.92 | $122.33 | +4.31% | 34,758,078 |
| Dec 2016 | $118.19 | $121.77 | $113.47 | $117.27 | -0.32% | 10,669,674 |
| Nov 2016 | $110.05 | $121.06 | $102.45 | $117.65 | +9.81% | 12,144,340 |
| Oct 2016 | $112.37 | $117.84 | $103.77 | $107.14 | -4.96% | 10,288,022 |
| Sep 2016 | $113.01 | $115.06 | $107.71 | $112.73 | +0.04% | 8,640,400 |
| Aug 2016 | $93.43 | $113.48 | $93.14 | $112.68 | +20.14% | 14,056,400 |
| Jul 2016 | $93.16 | $95.55 | $92.52 | $93.79 | +1.00% | 8,382,100 |
| Jun 2016 | $87.56 | $92.87 | $85.98 | $92.86 | +6.04% | 14,230,000 |
| May 2016 | $85.00 | $91.94 | $83.65 | $87.57 | +3.82% | 21,892,100 |
| Apr 2016 | $77.53 | $84.50 | $76.55 | $84.35 | +7.70% | 17,457,500 |
| Mar 2016 | $73.42 | $79.03 | $72.29 | $78.32 | +7.05% | 12,974,100 |
| Feb 2016 | $69.85 | $74.40 | $66.82 | $73.16 | +4.31% | 15,568,900 |
| Jan 2016 | $72.35 | $72.82 | $63.48 | $70.14 | -3.81% | 17,590,700 |
| Dec 2015 | $70.25 | $74.99 | $68.00 | $72.92 | +2.97% | 10,170,900 |
| Nov 2015 | $68.66 | $71.44 | $66.08 | $70.82 | +3.21% | 10,603,300 |
| Oct 2015 | $74.08 | $77.27 | $65.03 | $68.62 | -7.58% | 20,203,100 |
| Sep 2015 | $69.94 | $79.11 | $69.46 | $74.25 | +3.89% | 11,567,700 |
| Aug 2015 | $73.19 | $79.62 | $69.77 | $71.47 | -1.73% | 15,017,800 |
| Jul 2015 | $64.97 | $73.77 | $61.58 | $72.73 | +13.39% | 21,999,200 |
| Jun 2015 | $67.89 | $68.52 | $63.37 | $64.14 | -5.40% | 17,915,000 |
| May 2015 | $62.50 | $69.82 | $62.50 | $67.80 | +8.16% | 19,110,200 |
| Apr 2015 | $76.89 | $82.24 | $61.37 | $62.69 | -18.84% | 19,860,800 |
| Mar 2015 | $78.27 | $79.93 | $74.02 | $77.24 | -1.50% | 13,473,400 |
| Feb 2015 | $79.54 | $80.46 | $76.16 | $78.42 | -1.00% | 12,995,600 |
| Jan 2015 | $74.32 | $84.26 | $72.38 | $79.21 | +6.85% | 18,299,600 |
| Dec 2014 | $74.56 | $75.50 | $71.32 | $74.14 | -0.72% | 14,548,000 |
| Nov 2014 | $71.05 | $76.95 | $69.99 | $74.68 | +5.42% | 18,647,000 |
| Oct 2014 | $58.70 | $72.26 | $57.56 | $70.84 | +20.23% | 28,463,400 |
| Sep 2014 | $62.15 | $63.88 | $56.75 | $58.92 | -4.95% | 23,012,400 |
| Aug 2014 | $62.22 | $64.55 | $60.77 | $61.99 | -0.41% | 16,891,800 |
| Jul 2014 | $66.79 | $70.00 | $62.22 | $62.24 | -6.81% | 16,649,200 |
| Jun 2014 | $64.25 | $68.07 | $63.76 | $66.79 | +3.96% | 8,921,400 |
| May 2014 | $63.23 | $66.70 | $62.84 | $64.24 | +1.61% | 11,375,800 |
| Apr 2014 | $61.00 | $63.42 | $57.92 | $63.22 | +4.15% | 12,816,600 |
| Mar 2014 | $62.35 | $64.64 | $60.03 | $60.70 | -3.57% | 12,771,000 |
| Feb 2014 | $56.85 | $63.50 | $54.29 | $62.95 | +10.19% | 13,534,400 |
| Jan 2014 | $53.00 | $57.50 | $52.32 | $57.13 | +7.42% | 13,262,600 |
| Dec 2013 | $51.98 | $53.59 | $50.67 | $53.19 | +2.12% | 18,857,200 |
| Nov 2013 | $54.00 | $56.56 | $51.89 | $52.08 | -3.43% | 12,397,800 |
| Oct 2013 | $49.84 | $54.39 | $49.57 | $53.93 | +8.24% | 15,225,000 |
| Sep 2013 | $47.13 | $50.18 | $46.05 | $49.83 | +6.21% | 9,406,800 |
| Aug 2013 | $49.15 | $50.19 | $46.85 | $46.91 | -4.26% | 9,283,400 |
| Jul 2013 | $45.22 | $49.45 | $44.00 | $49.00 | +9.25% | 19,030,000 |
| Jun 2013 | $41.39 | $46.30 | $41.11 | $44.85 | +8.79% | 20,793,400 |
| May 2013 | $43.76 | $44.52 | $40.79 | $41.22 | -6.28% | 17,869,800 |
| Apr 2013 | $46.03 | $46.20 | $41.53 | $43.98 | -4.79% | 26,183,000 |
| Mar 2013 | $45.92 | $47.14 | $45.10 | $46.20 | +0.29% | 11,546,400 |
| Feb 2013 | $47.82 | $48.12 | $45.38 | $46.06 | -3.25% | 13,785,600 |
| Jan 2013 | $47.30 | $50.41 | $46.60 | $47.61 | +2.60% | 16,694,600 |
| Dec 2012 | $46.82 | $48.57 | $45.55 | $46.40 | -0.72% | 10,112,400 |
| Nov 2012 | $47.95 | $48.22 | $43.76 | $46.74 | -2.84% | 15,481,400 |
| Oct 2012 | $49.86 | $50.03 | $47.61 | $48.10 | -3.17% | 9,708,000 |
| Sep 2012 | $47.64 | $50.59 | $47.16 | $49.68 | +4.51% | 11,193,400 |
| Aug 2012 | $43.92 | $47.91 | $43.38 | $47.53 | +7.81% | 11,701,000 |
| Jul 2012 | $48.06 | $49.19 | $43.18 | $44.09 | -8.28% | 17,169,800 |
| Jun 2012 | $41.65 | $48.40 | $40.66 | $48.07 | +13.31% | 12,652,800 |
| May 2012 | $43.91 | $44.81 | $40.96 | $42.42 | -3.51% | 11,555,600 |
| Apr 2012 | $43.58 | $44.50 | $41.35 | $43.97 | +0.55% | 11,479,400 |
| Mar 2012 | $42.82 | $43.94 | $41.28 | $43.73 | +1.98% | 10,680,600 |
| Feb 2012 | $42.44 | $44.75 | $42.32 | $42.88 | +1.37% | 8,865,400 |
| Jan 2012 | $38.95 | $43.85 | $38.91 | $42.30 | +9.91% | 11,486,600 |
| Dec 2011 | $37.34 | $39.65 | $35.87 | $38.48 | +2.35% | 10,346,600 |
| Nov 2011 | $35.28 | $38.99 | $34.48 | $37.60 | +4.45% | 11,688,600 |
| Oct 2011 | $34.31 | $38.23 | $31.92 | $36.00 | +4.38% | 16,569,200 |
| Sep 2011 | $39.82 | $40.24 | $34.46 | $34.49 | -13.55% | 15,833,400 |
| Aug 2011 | $41.70 | $41.75 | $35.33 | $39.89 | -3.81% | 22,596,800 |
| Jul 2011 | $38.71 | $43.65 | $38.44 | $41.47 | +6.94% | 13,861,400 |
| Jun 2011 | $39.16 | $39.36 | $36.00 | $38.78 | -1.47% | 13,114,800 |
| May 2011 | $40.75 | $41.46 | $38.46 | $39.36 | -3.33% | 9,330,400 |
| Apr 2011 | $38.72 | $41.12 | $38.43 | $40.72 | +5.45% | 8,069,400 |
| Mar 2011 | $39.01 | $39.95 | $37.34 | $38.61 | -0.62% | 10,380,000 |
| Feb 2011 | $36.03 | $39.67 | $35.15 | $38.85 | +8.37% | 9,188,800 |
| Jan 2011 | $34.92 | $37.00 | $33.65 | $35.85 | +3.58% | 13,386,400 |
| Dec 2010 | $32.44 | $36.20 | $32.37 | $34.61 | +7.80% | 8,507,200 |
| Nov 2010 | $30.08 | $32.98 | $29.83 | $32.11 | +7.09% | 9,377,200 |
| Oct 2010 | $31.03 | $31.87 | $29.92 | $29.98 | -2.85% | 9,439,200 |
| Sep 2010 | $28.03 | $31.21 | $27.77 | $30.86 | +11.67% | 8,096,400 |
| Aug 2010 | $29.82 | $30.08 | $27.40 | $27.64 | -5.91% | 10,582,600 |
| Jul 2010 | $30.40 | $32.00 | $28.75 | $29.37 | -3.55% | 14,464,800 |
| Jun 2010 | $31.62 | $33.01 | $30.08 | $30.45 | -3.70% | 8,233,600 |
| May 2010 | $33.25 | $33.73 | $29.29 | $31.62 | -4.38% | 11,499,200 |
| Apr 2010 | $28.94 | $34.29 | $28.66 | $33.07 | +14.93% | 18,835,000 |
| Mar 2010 | $26.46 | $29.65 | $26.08 | $28.78 | +9.00% | 11,492,200 |
| Feb 2010 | $26.38 | $27.19 | $24.52 | $26.40 | +0.59% | 17,905,600 |
| Jan 2010 | $26.85 | $29.98 | $26.25 | $26.25 | -1.80% | 12,804,600 |
| Dec 2009 | $25.24 | $27.35 | $24.74 | $26.73 | +6.79% | 9,580,400 |
| Nov 2009 | $25.73 | $26.74 | $24.63 | $25.03 | -2.09% | 8,913,600 |
| Oct 2009 | $24.84 | $27.85 | $23.76 | $25.56 | +2.24% | 12,064,400 |
| Sep 2009 | $25.19 | $27.56 | $24.35 | $25.00 | -1.50% | 8,244,000 |
| Aug 2009 | $25.19 | $26.00 | $24.50 | $25.38 | +1.89% | 9,802,600 |
| Jul 2009 | $23.28 | $25.46 | $21.74 | $24.91 | +7.84% | 18,525,800 |
| Jun 2009 | $21.17 | $23.45 | $21.17 | $23.10 | +10.00% | 16,314,600 |
| May 2009 | $19.69 | $22.06 | $19.08 | $21.00 | +6.87% | 19,267,000 |
| Apr 2009 | $17.10 | $20.32 | $16.54 | $19.65 | +13.65% | 25,108,200 |
| Mar 2009 | $14.94 | $18.45 | $13.84 | $17.29 | +14.88% | 24,733,800 |
| Feb 2009 | $16.24 | $17.53 | $14.85 | $15.05 | -8.23% | 24,012,600 |
| Jan 2009 | $18.12 | $18.38 | $14.81 | $16.40 | -9.09% | 34,943,000 |
| Dec 2008 | $14.50 | $18.23 | $13.37 | $18.04 | +16.73% | 27,345,000 |
| Nov 2008 | $17.38 | $19.24 | $13.41 | $15.46 | -12.16% | 28,707,400 |
| Oct 2008 | $26.76 | $27.23 | $12.06 | $17.60 | -35.78% | 48,981,600 |
| Sep 2008 | $28.43 | $31.79 | $26.46 | $27.40 | -2.66% | 18,140,600 |
| Aug 2008 | $26.86 | $29.21 | $26.49 | $28.15 | +5.23% | 14,370,200 |
| Jul 2008 | $24.85 | $27.39 | $23.94 | $26.75 | +9.77% | 41,221,000 |
| Jun 2008 | $25.03 | $27.33 | $24.37 | $24.37 | -3.49% | 14,219,600 |
| May 2008 | $26.80 | $26.99 | $24.66 | $25.25 | -5.08% | 14,992,400 |
| Apr 2008 | $24.81 | $27.94 | $23.36 | $26.60 | +8.00% | 20,104,000 |
| Mar 2008 | $27.57 | $27.58 | $23.73 | $24.63 | -11.20% | 14,458,600 |
| Feb 2008 | $28.19 | $29.00 | $26.93 | $27.74 | -1.60% | 11,056,400 |
| Jan 2008 | $29.11 | $30.93 | $25.65 | $28.19 | -3.85% | 17,705,800 |
| Dec 2007 | $30.25 | $31.03 | $27.88 | $29.32 | -3.09% | 9,970,200 |
| Nov 2007 | $15.09 | $30.58 | $14.91 | $30.25 | +98.75% | 27,285,984 |
| Oct 2007 | $13.69 | $15.71 | $13.40 | $15.22 | +11.09% | 33,967,904 |
| Sep 2007 | $14.06 | $14.81 | $13.69 | $13.70 | -1.93% | 25,308,832 |
| Aug 2007 | $12.48 | $14.43 | $12.28 | $13.97 | +11.49% | 46,605,288 |
| Jul 2007 | $11.86 | $12.68 | $11.74 | $12.53 | +5.92% | 25,509,136 |
| Jun 2007 | $11.03 | $12.06 | $10.70 | $11.83 | +7.25% | 33,715,504 |
| May 2007 | $11.25 | $11.36 | $10.72 | $11.03 | -2.13% | 22,791,456 |
| Apr 2007 | $10.94 | $12.11 | $10.79 | $11.27 | +2.92% | 24,152,688 |
| Mar 2007 | $10.68 | $10.95 | $10.48 | $10.95 | +1.67% | 24,883,512 |
| Feb 2007 | $10.70 | $10.94 | $10.38 | $10.77 | +0.37% | 27,086,016 |
| Jan 2007 | $9.94 | $11.19 | $9.71 | $10.73 | +8.27% | 37,396,656 |
| Dec 2006 | $10.59 | $10.62 | $9.77 | $9.91 | -6.33% | 26,810,104 |
| Nov 2006 | $10.44 | $10.69 | $10.10 | $10.58 | +1.73% | 32,156,360 |
| Oct 2006 | $11.36 | $11.94 | $10.35 | $10.40 | -8.69% | 35,299,680 |
| Sep 2006 | $11.56 | $11.88 | $11.26 | $11.39 | -0.96% | 27,635,616 |
| Aug 2006 | $11.02 | $11.55 | $10.88 | $11.50 | +3.98% | 33,740,816 |
| Jul 2006 | $9.41 | $11.32 | $9.06 | $11.06 | +17.78% | 24,726,088 |
| Jun 2006 | $9.53 | $10.00 | $9.11 | $9.39 | -1.68% | 23,984,888 |
| May 2006 | $10.34 | $10.40 | $9.30 | $9.55 | -8.17% | 29,768,928 |
| Apr 2006 | $10.81 | $10.84 | $10.00 | $10.40 | -3.70% | 19,465,920 |
| Mar 2006 | $9.82 | $10.84 | $9.82 | $10.80 | +9.98% | 20,793,872 |
| Feb 2006 | $9.62 | $9.91 | $9.35 | $9.82 | +2.29% | 17,328,336 |
| Jan 2006 | $8.97 | $9.79 | $8.82 | $9.60 | -46.65% | 21,385,184 |
| Dec 2005 | $17.90 | $18.79 | $17.86 | $18.00 | +0.60% | 8,925,200 |
| Nov 2005 | $17.50 | $18.49 | $16.75 | $17.89 | +2.02% | 11,466,400 |
| Oct 2005 | $16.70 | $18.05 | $15.28 | $17.53 | +4.86% | 14,848,000 |
| Sep 2005 | $15.98 | $16.99 | $15.96 | $16.72 | +4.43% | 10,223,200 |
| Aug 2005 | $15.91 | $16.25 | $15.31 | $16.01 | +0.91% | 13,670,400 |
| Jul 2005 | $15.67 | $16.43 | $15.04 | $15.87 | +1.81% | 11,490,800 |
| Jun 2005 | $14.49 | $15.75 | $13.90 | $15.58 | +7.97% | 11,689,600 |
| May 2005 | $14.36 | $15.00 | $14.23 | $14.43 | +1.74% | 8,142,400 |
| Apr 2005 | $13.52 | $14.61 | $13.24 | $14.19 | +4.76% | 10,541,600 |
| Mar 2005 | $13.89 | $14.06 | $13.05 | $13.54 | -2.06% | 11,869,200 |
| Feb 2005 | $14.55 | $14.56 | $13.81 | $13.83 | -4.67% | 11,705,600 |
| Jan 2005 | $13.61 | $14.53 | $13.51 | $14.50 | +6.26% | 17,168,800 |
| Dec 2004 | $13.00 | $13.76 | $12.38 | $13.65 | +5.79% | 13,341,600 |
| Nov 2004 | $12.51 | $13.14 | $12.40 | $12.90 | +3.53% | 15,054,000 |
| Oct 2004 | $12.74 | $13.19 | $11.70 | $12.46 | -1.77% | 26,314,400 |
| Sep 2004 | $12.23 | $12.72 | $12.08 | $12.69 | +4.17% | 14,348,400 |
| Aug 2004 | $12.65 | $12.70 | $11.36 | $12.18 | -3.33% | 24,428,800 |
| Jul 2004 | $16.03 | $16.13 | $12.29 | $12.60 | -19.94% | 32,878,400 |
| Jun 2004 | $16.42 | $17.21 | $15.18 | $15.74 | -4.26% | 25,838,800 |
| May 2004 | $15.15 | $16.97 | $14.70 | $16.44 | +7.31% | 23,961,200 |
| Apr 2004 | $14.19 | $15.90 | $14.19 | $15.32 | +7.72% | 25,754,000 |
| Mar 2004 | $12.75 | $14.39 | $12.22 | $14.22 | +11.36% | 27,656,400 |
| Feb 2004 | $12.29 | $13.25 | $12.05 | $12.77 | +4.27% | 16,153,200 |
| Jan 2004 | $11.64 | $12.74 | $11.33 | $12.25 | +5.83% | 15,513,200 |
| Dec 2003 | $11.92 | $12.11 | $11.03 | $11.57 | -2.26% | 18,075,600 |
| Nov 2003 | $11.89 | $12.31 | $11.65 | $11.84 | +0.11% | 16,832,400 |
| Oct 2003 | $10.65 | $12.17 | $10.65 | $11.83 | +11.16% | 26,491,200 |
| Sep 2003 | $10.42 | $11.43 | $10.35 | $10.64 | +2.51% | 22,029,600 |
| Aug 2003 | $10.17 | $10.87 | $9.59 | $10.38 | +2.57% | 23,766,800 |
| Jul 2003 | $8.35 | $10.50 | $8.35 | $10.12 | +21.42% | 41,091,600 |
| Jun 2003 | $8.97 | $9.33 | $8.28 | $8.33 | -6.48% | 24,465,600 |
| May 2003 | $9.75 | $9.78 | $7.97 | $8.91 | -8.62% | 30,321,200 |
| Apr 2003 | $8.80 | $9.76 | $8.00 | $9.75 | +11.52% | 35,784,400 |
| Mar 2003 | $9.25 | $9.34 | $8.59 | $8.74 | -4.09% | 20,202,400 |
| Feb 2003 | $8.64 | $9.49 | $8.29 | $9.12 | +5.31% | 21,058,000 |
| Jan 2003 | $8.29 | $8.71 | $7.83 | $8.66 | +5.39% | 18,199,600 |
| Dec 2002 | $7.93 | $8.37 | $7.73 | $8.21 | +4.92% | 22,461,600 |
| Nov 2002 | $8.64 | $9.26 | $7.81 | $7.83 | -9.25% | 28,019,200 |
| Oct 2002 | $7.75 | $8.88 | $7.32 | $8.63 | +11.51% | 30,072,800 |
| Sep 2002 | $7.31 | $8.00 | $7.04 | $7.74 | +6.36% | 17,630,400 |
| Aug 2002 | $7.41 | $7.99 | $6.58 | $7.27 | -0.55% | 23,446,800 |
| Jul 2002 | $6.46 | $7.68 | $5.95 | $7.31 | +13.42% | 32,833,200 |
| Jun 2002 | $7.88 | $8.00 | $6.15 | $6.45 | -18.39% | 24,040,800 |
| May 2002 | $7.15 | $8.16 | $6.50 | $7.90 | +10.96% | 25,305,600 |
| Apr 2002 | $6.75 | $7.46 | $6.58 | $7.12 | +6.11% | 22,154,000 |
| Mar 2002 | $6.56 | $7.11 | $6.47 | $6.71 | +2.91% | 18,080,400 |
| Feb 2002 | $6.36 | $6.95 | $6.29 | $6.52 | +2.60% | 21,314,400 |
| Jan 2002 | $7.30 | $7.33 | $6.00 | $6.36 | -10.84% | 18,878,800 |
| Dec 2001 | $7.20 | $7.50 | $6.95 | $7.13 | -1.69% | 20,116,000 |
| Nov 2001 | $6.30 | $7.32 | $6.27 | $7.25 | +15.08% | 16,368,000 |
| Oct 2001 | $5.84 | $6.70 | $5.60 | $6.30 | +7.83% | 41,671,200 |
| Sep 2001 | $6.06 | $6.19 | $5.05 | $5.84 | -3.39% | 12,614,800 |
| Aug 2001 | $6.00 | $6.33 | $5.64 | $6.05 | -0.90% | 25,008,400 |
| Jul 2001 | $7.69 | $7.73 | $5.54 | $6.10 | -21.89% | 47,140,400 |
| Jun 2001 | $7.44 | $7.81 | $6.82 | $7.81 | +5.04% | 22,740,400 |
| May 2001 | $6.75 | $8.10 | $6.41 | $7.44 | +9.74% | 26,978,400 |
| Apr 2001 | $5.44 | $6.94 | $4.78 | $6.78 | +23.58% | 25,200,400 |
| Mar 2001 | $5.81 | $6.05 | $4.28 | $5.48 | -6.90% | 24,770,000 |
| Feb 2001 | $5.50 | $6.14 | $5.44 | $5.89 | +6.20% | 18,826,400 |
| Jan 2001 | $5.63 | $6.38 | $5.09 | $5.55 | +0.85% | 19,038,400 |
| Dec 2000 | $5.69 | $6.28 | $5.03 | $5.50 | -3.30% | 25,273,600 |
| Nov 2000 | $6.05 | $6.71 | $5.19 | $5.69 | -5.21% | 17,014,400 |
| Oct 2000 | $6.67 | $6.80 | $5.03 | $6.00 | -10.28% | 35,152,400 |
| Sep 2000 | $6.53 | $7.00 | $5.88 | $6.69 | +2.39% | 22,594,400 |
| Aug 2000 | $6.02 | $7.06 | $5.80 | $6.53 | +7.73% | 18,931,600 |
| Jul 2000 | $5.53 | $6.25 | $5.13 | $6.06 | +6.01% | 21,894,800 |
| Jun 2000 | $5.81 | $6.53 | $5.44 | $5.72 | -7.81% | 36,999,200 |
| May 2000 | $7.34 | $7.44 | $5.88 | $6.20 | -5.48% | 14,646,400 |
| Apr 2000 | $5.84 | $6.63 | $5.28 | $6.56 | +12.60% | 17,123,600 |
| Mar 2000 | $7.38 | $7.48 | $5.13 | $5.83 | -21.14% | 30,485,200 |
| Feb 2000 | $3.84 | $7.61 | $3.73 | $7.39 | +96.27% | 40,529,200 |
| Jan 2000 | $4.01 | $4.55 | $3.63 | $3.77 | -6.59% | 40,300,400 |
| Dec 1999 | $4.59 | $4.69 | $3.61 | $4.03 | -12.84% | 31,232,400 |
| Nov 1999 | $3.86 | $5.02 | $3.69 | $4.63 | +22.31% | 22,200,000 |
| Oct 1999 | $4.33 | $4.47 | $3.56 | $3.78 | -12.16% | 26,016,800 |
| Sep 1999 | $4.28 | $5.03 | $3.94 | $4.30 | +1.29% | 20,223,600 |
| Aug 1999 | $4.88 | $4.88 | $3.61 | $4.25 | -13.38% | 29,941,200 |
| Jul 1999 | $5.83 | $5.88 | $4.56 | $4.91 | -15.82% | 34,270,400 |
| Jun 1999 | $6.31 | $6.97 | $4.94 | $5.83 | -8.58% | 26,712,000 |
| May 1999 | $5.64 | $6.94 | $5.64 | $6.38 | +12.71% | 18,900,400 |
| Apr 1999 | $6.05 | $6.25 | $5.06 | $5.66 | -5.48% | 21,233,600 |
| Mar 1999 | $5.56 | $6.44 | $4.81 | $5.98 | +6.98% | 38,226,400 |
| Feb 1999 | $6.56 | $6.56 | $5.59 | $5.59 | -13.94% | 23,008,000 |
| Jan 1999 | $6.69 | $7.03 | $5.44 | $6.50 | -3.37% | 26,776,400 |
| Dec 1998 | $6.39 | $7.11 | $6.31 | $6.73 | +3.49% | 22,279,200 |
| Nov 1998 | $5.63 | $7.16 | $5.44 | $6.50 | +13.97% | 39,066,800 |
| Oct 1998 | $5.81 | $6.00 | $4.34 | $5.70 | -4.45% | 30,390,400 |
| Sep 1998 | $4.31 | $6.31 | $4.31 | $5.97 | +36.43% | 25,373,200 |
| Aug 1998 | $5.72 | $5.75 | $4.30 | $4.38 | -22.22% | 17,049,200 |
| Jul 1998 | $6.23 | $6.31 | $5.19 | $5.63 | -9.55% | 17,885,200 |
| Jun 1998 | $5.55 | $6.38 | $4.91 | $6.22 | +11.80% | 24,126,800 |
| May 1998 | $5.50 | $6.31 | $5.00 | $5.56 | +0.56% | 24,934,800 |
| Apr 1998 | $4.52 | $5.91 | $4.38 | $5.53 | +22.92% | 42,210,400 |
| Mar 1998 | $3.98 | $4.63 | $3.50 | $4.50 | +14.74% | 26,319,600 |
| Feb 1998 | $3.47 | $4.84 | $3.47 | $3.92 | +14.61% | 29,347,200 |
| Jan 1998 | $3.97 | $4.13 | $3.06 | $3.42 | -14.12% | 18,873,600 |
| Dec 1997 | $4.03 | $4.03 | $3.19 | $3.98 | 0.00% | 36,950,000 |
| Nov 1997 | $3.94 | $4.22 | $3.88 | $3.98 | +0.39% | 11,796,800 |
| Oct 1997 | $4.22 | $5.28 | $3.69 | $3.97 | -5.22% | 53,082,000 |
| Sep 1997 | $4.69 | $4.91 | $3.63 | $4.19 | -10.96% | 37,322,800 |
| Aug 1997 | $3.98 | $4.78 | $3.97 | $4.70 | +18.04% | 28,584,400 |
| Jul 1997 | $3.09 | $4.38 | $3.06 | $3.98 | +28.14% | 59,190,800 |
| Jun 1997 | $3.56 | $3.72 | $2.59 | $3.11 | -11.95% | 56,822,400 |
| May 1997 | $3.41 | $3.97 | $3.19 | $3.53 | +8.66% | 64,822,000 |
| Apr 1997 | $3.50 | $3.59 | $2.31 | $3.25 | -7.14% | 146,543,600 |
| Mar 1997 | $9.19 | $9.50 | $2.75 | $3.50 | -62.42% | 215,724,800 |
| Feb 1997 | $8.16 | $9.63 | $7.88 | $9.31 | +14.62% | 24,162,400 |
| Jan 1997 | $9.13 | $9.13 | $7.88 | $8.13 | -9.72% | 25,273,200 |
| Dec 1996 | $8.69 | $9.44 | $7.31 | $9.00 | +2.86% | 26,804,000 |
| Nov 1996 | $9.69 | $10.28 | $7.94 | $8.75 | -10.83% | 33,728,800 |
| Oct 1996 | $11.19 | $11.50 | $9.31 | $9.81 | -13.26% | 12,735,200 |
| Sep 1996 | $9.44 | $11.56 | $9.19 | $11.31 | +16.77% | 19,888,400 |
| Aug 1996 | $9.56 | $10.56 | $8.75 | $9.69 | 0.00% | 16,760,800 |
| Jul 1996 | $9.81 | $10.25 | $6.72 | $9.69 | -1.27% | 35,458,400 |
| Jun 1996 | $10.88 | $11.63 | $9.06 | $9.81 | -9.77% | 26,698,000 |
| May 1996 | $11.13 | $12.44 | $10.38 | $10.88 | -2.25% | 22,429,600 |
| Apr 1996 | $10.44 | $11.56 | $9.19 | $11.13 | +5.95% | 41,271,200 |
| Mar 1996 | $12.00 | $12.19 | $10.00 | $10.50 | -12.50% | 23,605,200 |
| Feb 1996 | $12.69 | $13.44 | $11.00 | $12.00 | -4.48% | 29,450,800 |
| Jan 1996 | $11.69 | $12.94 | $10.94 | $12.56 | +6.91% | 21,071,600 |
| Dec 1995 | $11.19 | $11.88 | $10.56 | $11.75 | +5.62% | 15,410,800 |
| Nov 1995 | $10.06 | $11.31 | $9.50 | $11.13 | +9.20% | 13,859,600 |
| Oct 1995 | $9.31 | $11.19 | $8.94 | $10.19 | +9.40% | 26,888,400 |
| Sep 1995 | $8.50 | $9.69 | $8.38 | $9.31 | +9.96% | 20,452,000 |
| Aug 1995 | $7.81 | $8.75 | $7.44 | $8.47 | +10.16% | 9,337,200 |
| Jul 1995 | $6.50 | $8.25 | $6.38 | $7.69 | +18.27% | 15,003,600 |
| Jun 1995 | $5.53 | $6.69 | $5.44 | $6.50 | +15.56% | 13,950,000 |
| May 1995 | $5.41 | $5.91 | $5.34 | $5.63 | +4.65% | 16,756,000 |
| Apr 1995 | $5.22 | $5.47 | $5.00 | $5.38 | +3.61% | 19,224,000 |
| Mar 1995 | $4.69 | $5.84 | $4.66 | $5.19 | +9.21% | 31,980,000 |
| Feb 1995 | $4.47 | $4.91 | $4.47 | $4.75 | +7.04% | 16,370,400 |
| Jan 1995 | $4.44 | $4.66 | $4.22 | $4.44 | -1.39% | 14,784,000 |
| Dec 1994 | $4.28 | $4.66 | $3.81 | $4.50 | +5.11% | 18,243,200 |
| Nov 1994 | $3.53 | $4.36 | $3.47 | $4.28 | +21.24% | 17,345,600 |
| Oct 1994 | $3.69 | $4.13 | $3.44 | $3.53 | -4.24% | 20,783,200 |
| Sep 1994 | $3.94 | $4.03 | $3.34 | $3.69 | -8.53% | 16,072,000 |
| Aug 1994 | $3.78 | $4.03 | $3.47 | $4.03 | +8.86% | 17,524,800 |
| Jul 1994 | $3.75 | $4.25 | $3.47 | $3.70 | -0.42% | 15,829,600 |
| Jun 1994 | $3.94 | $4.25 | $3.53 | $3.72 | -7.03% | 20,285,600 |
| May 1994 | $4.19 | $4.44 | $3.81 | $4.00 | -3.03% | 21,445,600 |
| Apr 1994 | $3.28 | $4.13 | $3.20 | $4.13 | +22.22% | 22,857,600 |
| Mar 1994 | $3.78 | $4.03 | $3.38 | $3.38 | -12.20% | 20,653,600 |
| Feb 1994 | $3.34 | $3.94 | $3.19 | $3.84 | +13.89% | 14,137,600 |
| Jan 1994 | $4.00 | $4.00 | $3.16 | $3.38 | -15.29% | 22,514,400 |
| Dec 1993 | $3.25 | $4.00 | $3.16 | $3.98 | +22.60% | 12,402,400 |
| Nov 1993 | $3.19 | $3.41 | $3.06 | $3.25 | +2.97% | 10,222,400 |
| Oct 1993 | $3.06 | $3.39 | $2.84 | $3.16 | +3.06% | 11,845,600 |
| Sep 1993 | $2.83 | $3.06 | $2.61 | $3.06 | +8.29% | 30,216,000 |
| Aug 1993 | $2.86 | $3.00 | $2.80 | $2.83 | +0.83% | 9,516,800 |
| Jul 1993 | $2.52 | $2.88 | $2.48 | $2.80 | +13.61% | 29,329,600 |
| Jun 1993 | $2.47 | $2.52 | $2.31 | $2.47 | 0.00% | 16,884,800 |
| May 1993 | $2.23 | $2.52 | $2.20 | $2.47 | +11.27% | 20,478,400 |
| Apr 1993 | $2.25 | $2.28 | $2.19 | $2.22 | +0.71% | 14,835,200 |
| Mar 1993 | $2.00 | $2.28 | $1.94 | $2.20 | +7.63% | 12,020,800 |
| Feb 1993 | $2.11 | $2.25 | $1.66 | $2.05 | -2.96% | 24,270,400 |
| Jan 1993 | $2.02 | $2.11 | $1.91 | $2.11 | +3.05% | 21,113,600 |
| Dec 1992 | $1.91 | $2.06 | $1.84 | $2.05 | +9.62% | 16,872,000 |
| Nov 1992 | $1.70 | $1.91 | $1.66 | $1.87 | +10.65% | 20,971,200 |
| Oct 1992 | $1.63 | $1.72 | $1.53 | $1.69 | +3.85% | 18,278,400 |
| Sep 1992 | $1.48 | $1.70 | $1.48 | $1.63 | +7.22% | 13,899,200 |
| Aug 1992 | $1.52 | $1.56 | $1.39 | $1.52 | -1.53% | 10,155,200 |
| Jul 1992 | $1.38 | $1.55 | $1.34 | $1.54 | +10.68% | 14,521,600 |
| Jun 1992 | $1.53 | $1.55 | $1.25 | $1.39 | -7.29% | 9,204,800 |
| May 1992 | $1.30 | $1.56 | $1.30 | $1.50 | +12.94% | 22,692,800 |
| Apr 1992 | $1.30 | $1.34 | $1.13 | $1.33 | +3.65% | 45,721,600 |
| Mar 1992 | $1.23 | $1.45 | $1.20 | $1.28 | +5.81% | 20,355,200 |
| Feb 1992 | $1.59 | $1.59 | $1.20 | $1.21 | -22.50% | 14,452,800 |
| Jan 1992 | $1.36 | $1.64 | $1.36 | $1.56 | +12.36% | 45,476,800 |
| Dec 1991 | $1.27 | $1.55 | $1.23 | $1.39 | +11.25% | 25,438,400 |
| Nov 1991 | $1.66 | $1.81 | $1.13 | $1.25 | -24.53% | 11,233,600 |
| Oct 1991 | $1.13 | $1.67 | $1.09 | $1.66 | +48.25% | 23,436,800 |
| Sep 1991 | $1.03 | $1.15 | $0.9531 | $1.12 | +8.33% | 11,795,200 |
| Aug 1991 | $0.9297 | $1.05 | $0.8438 | $1.03 | +13.80% | 9,654,400 |
| Jul 1991 | $0.9141 | $0.9453 | $0.8594 | $0.9063 | 0.00% | 6,884,800 |
| Jun 1991 | $0.9375 | $0.9688 | $0.9063 | $0.9063 | – | 19,476,800 |
Seasonality
IDXX 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 | 2.7% | 3.7% | -1.2% | 1.2% | 3.3% | 2.4% | 7.4% | -0.2% | -3.8% | -0.2% | 4.1% | 1.6% |
| Months up | 6 of 10 | 6 of 10 | 5 of 10 | 6 of 10 | 8 of 10 | 6 of 10 | 8 of 10 | 4 of 10 | 3 of 10 | 6 of 10 | 5 of 9 | 4 of 9 |
| 2026 | -0.9% | -2.0% | -14.4% | -0.2% | 0.5% | -6.6% | 6.2% | -0.4% | -6.2% | 5.6% | ||
| 2025 | 2.1% | 3.6% | -3.9% | 3.0% | 18.7% | 4.5% | -0.4% | 21.1% | -1.3% | -1.5% | 19.6% | -10.1% |
| 2024 | -7.2% | 11.7% | -6.1% | -8.7% | 0.9% | -2.0% | -2.3% | 1.1% | 5.0% | -19.5% | 3.6% | -2.0% |
| 2023 | 17.8% | -1.5% | 5.7% | -1.6% | -5.6% | 8.1% | 10.5% | -7.8% | -14.5% | -8.6% | 16.6% | 19.2% |
| 2022 | -23.0% | 4.9% | 2.8% | -21.3% | -9.0% | -10.4% | 13.8% | -12.9% | -6.3% | 10.4% | 18.4% | -4.2% |
| 2021 | -4.2% | 8.7% | -5.9% | 12.2% | 1.7% | 13.2% | 7.4% | -0.7% | -7.7% | 7.1% | -8.7% | 8.3% |
| 2020 | 3.8% | -6.1% | -4.8% | 14.6% | 11.3% | 6.9% | 20.5% | -1.7% | 0.5% | 8.1% | 8.5% | 8.4% |
| 2019 | 14.4% | -0.8% | 6.0% | 3.8% | 7.7% | 10.2% | 2.4% | 2.7% | -6.1% | 4.8% | -11.7% | 3.8% |
| 2018 | 19.6% | 0.1% | 2.2% | 1.6% | 7.1% | 4.7% | 12.4% | 3.7% | -1.7% | -15.0% | -3.9% | -8.7% |
| 2017 | 4.3% | 18.5% | 6.7% | 8.5% | 0.4% | -4.1% | 3.1% | -6.6% | 0.0% | 6.9% | -5.9% | -0.0% |