Intuitive Surgical Inc (ISRG) stock
ISRGNasdaqOrthopedic, Prosthetic & Surgical Appliances & SuppliesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 21, 2026Score 17/3023% above fair value
$432.01−16.75 (-3.73%)
Close on Oct 30, 2026Market cap $152.62BP/E 49.5Yield –
Price history
Intuitive Surgical share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$432.01
-3.73% on the day
52-week range
$328.57 – $603.88
-28.5% from the high
Change over 52 weeks
-18.5%
From $530.02 on Oct 30, 2025
Average volume
2.81M
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $409.05 | $458.88 | $389.11 | $432.01 | +6.24% | 51,329,840 |
| Sep 2026 | $375.00 | $416.51 | $345.25 | $406.63 | +7.90% | 50,651,480 |
| Aug 2026 | $361.76 | $405.34 | $360.98 | $376.86 | +6.66% | 53,736,186 |
| Jul 2026 | $403.00 | $443.84 | $328.57 | $353.33 | -11.15% | 86,290,422 |
| Jun 2026 | $420.47 | $430.85 | $396.68 | $397.68 | -6.35% | 55,101,022 |
| May 2026 | $458.86 | $463.14 | $414.30 | $424.64 | -7.20% | 46,286,812 |
| Apr 2026 | $462.89 | $491.15 | $447.78 | $457.61 | -0.73% | 45,555,802 |
| Mar 2026 | $492.59 | $505.44 | $448.40 | $460.99 | -8.44% | 37,206,968 |
| Feb 2026 | $502.00 | $511.88 | $465.69 | $503.51 | -0.14% | 40,147,577 |
| Jan 2026 | $566.78 | $603.88 | $501.39 | $504.22 | -10.97% | 41,717,934 |
| Dec 2025 | $568.99 | $583.45 | $537.69 | $566.36 | -1.24% | 32,276,979 |
| Nov 2025 | $532.06 | $582.41 | $527.60 | $573.48 | +7.34% | 38,781,937 |
| Oct 2025 | $447.00 | $552.50 | $427.84 | $534.28 | +19.46% | 59,386,650 |
| Sep 2025 | $470.56 | $472.69 | $429.72 | $447.23 | -5.51% | 55,609,131 |
| Aug 2025 | $475.46 | $490.00 | $461.25 | $473.30 | -1.62% | 40,363,510 |
| Jul 2025 | $542.58 | $550.70 | $479.60 | $481.09 | -11.47% | 43,790,513 |
| Jun 2025 | $549.06 | $564.15 | $498.17 | $543.41 | -1.62% | 35,939,084 |
| May 2025 | $518.12 | $568.69 | $512.67 | $552.34 | +7.08% | 30,579,410 |
| Apr 2025 | $492.26 | $529.19 | $425.00 | $515.80 | +4.15% | 55,168,095 |
| Mar 2025 | $573.78 | $584.90 | $474.37 | $495.27 | -13.59% | 55,865,069 |
| Feb 2025 | $564.87 | $609.08 | $556.20 | $573.15 | +0.22% | 27,458,953 |
| Jan 2025 | $521.19 | $616.00 | $520.92 | $571.88 | +9.56% | 40,155,151 |
| Dec 2024 | $546.30 | $556.23 | $516.18 | $521.96 | -3.70% | 27,232,409 |
| Nov 2024 | $502.02 | $552.00 | $502.01 | $542.00 | +7.57% | 26,789,908 |
| Oct 2024 | $492.50 | $523.34 | $470.06 | $503.84 | +2.56% | 28,231,640 |
| Sep 2024 | $491.67 | $496.18 | $466.00 | $491.27 | -0.28% | 24,817,391 |
| Aug 2024 | $443.30 | $493.97 | $429.60 | $492.63 | +10.80% | 27,829,717 |
| Jul 2024 | $445.85 | $468.78 | $413.82 | $444.61 | -0.05% | 38,441,124 |
| Jun 2024 | $402.89 | $447.11 | $397.47 | $444.85 | +10.63% | 28,578,707 |
| May 2024 | $369.57 | $412.29 | $367.39 | $402.12 | +8.50% | 24,252,047 |
| Apr 2024 | $399.00 | $399.64 | $364.17 | $370.62 | -7.13% | 34,415,580 |
| Mar 2024 | $383.48 | $403.76 | $376.60 | $399.09 | +3.50% | 32,143,006 |
| Feb 2024 | $378.41 | $392.00 | $371.00 | $385.60 | +1.95% | 27,421,696 |
| Jan 2024 | $333.00 | $384.00 | $320.26 | $378.22 | +12.11% | 42,552,021 |
| Dec 2023 | $310.59 | $340.49 | $304.50 | $337.36 | +8.53% | 30,626,991 |
| Nov 2023 | $262.17 | $318.26 | $262.00 | $310.84 | +18.54% | 34,860,916 |
| Oct 2023 | $291.96 | $301.07 | $254.85 | $262.22 | -10.29% | 53,563,482 |
| Sep 2023 | $317.55 | $318.20 | $283.74 | $292.29 | -6.52% | 29,759,058 |
| Aug 2023 | $322.00 | $324.52 | $282.50 | $312.68 | -3.61% | 37,629,715 |
| Jul 2023 | $339.92 | $358.07 | $321.91 | $324.40 | -5.13% | 45,112,066 |
| Jun 2023 | $308.00 | $344.08 | $304.79 | $341.94 | +11.08% | 30,573,578 |
| May 2023 | $301.00 | $317.81 | $297.38 | $307.84 | +2.20% | 30,368,479 |
| Apr 2023 | $254.30 | $304.84 | $250.01 | $301.22 | +17.91% | 36,697,425 |
| Mar 2023 | $228.47 | $259.03 | $222.65 | $255.47 | +11.37% | 36,627,084 |
| Feb 2023 | $246.80 | $261.95 | $228.74 | $229.39 | -6.63% | 28,738,295 |
| Jan 2023 | $269.59 | $273.58 | $238.84 | $245.69 | -7.41% | 41,010,899 |
| Dec 2022 | $270.39 | $285.09 | $257.76 | $265.35 | -1.86% | 39,114,688 |
| Nov 2022 | $248.07 | $270.48 | $231.07 | $270.39 | +9.71% | 43,131,343 |
| Oct 2022 | $189.40 | $249.14 | $180.07 | $246.47 | +31.49% | 55,369,247 |
| Sep 2022 | $203.85 | $223.41 | $184.94 | $187.44 | -8.89% | 38,131,733 |
| Aug 2022 | $227.31 | $245.36 | $205.19 | $205.74 | -10.61% | 41,211,428 |
| Jul 2022 | $201.07 | $231.26 | $196.10 | $230.17 | +14.68% | 42,196,747 |
| Jun 2022 | $227.74 | $230.00 | $186.83 | $200.71 | -11.83% | 44,232,575 |
| May 2022 | $239.99 | $246.99 | $206.60 | $227.64 | -4.87% | 44,952,874 |
| Apr 2022 | $304.00 | $308.97 | $235.07 | $239.30 | -20.68% | 44,940,303 |
| Mar 2022 | $289.96 | $307.85 | $262.53 | $301.68 | +3.91% | 48,184,469 |
| Feb 2022 | $285.18 | $295.26 | $266.02 | $290.33 | +2.16% | 36,471,158 |
| Jan 2022 | $358.65 | $362.00 | $254.20 | $284.18 | -20.91% | 50,015,013 |
| Dec 2021 | $328.61 | $369.21 | $313.69 | $359.30 | +10.78% | 35,722,463 |
| Nov 2021 | $361.69 | $369.69 | $321.50 | $324.34 | -10.19% | 29,196,309 |
| Oct 2021 | $331.33 | $362.67 | $321.05 | $361.13 | +8.98% | 36,485,881 |
| Sep 2021 | $351.67 | $362.34 | $326.18 | $331.38 | -5.64% | 34,114,026 |
| Aug 2021 | $332.00 | $353.94 | $328.68 | $351.19 | +6.26% | 30,134,352 |
| Jul 2021 | $305.84 | $331.70 | $305.50 | $330.49 | +7.81% | 29,492,703 |
| Jun 2021 | $284.26 | $308.68 | $270.37 | $306.55 | +9.20% | 29,656,866 |
| May 2021 | $291.16 | $291.66 | $265.90 | $280.73 | -2.64% | 35,304,447 |
| Apr 2021 | $250.00 | $297.93 | $248.63 | $288.33 | +17.06% | 37,207,348 |
| Mar 2021 | $249.68 | $253.59 | $227.47 | $246.31 | +0.29% | 37,442,607 |
| Feb 2021 | $250.67 | $270.93 | $242.10 | $245.60 | -1.45% | 31,707,021 |
| Jan 2021 | $275.28 | $275.28 | $245.21 | $249.21 | -8.61% | 40,931,995 |
| Dec 2020 | $244.43 | $275.60 | $240.62 | $272.70 | +12.68% | 32,933,988 |
| Nov 2020 | $226.87 | $264.18 | $223.10 | $242.02 | +8.84% | 32,067,309 |
| Oct 2020 | $237.70 | $257.21 | $217.67 | $222.36 | -5.98% | 36,927,372 |
| Sep 2020 | $244.15 | $259.61 | $211.10 | $236.51 | -2.91% | 45,699,891 |
| Aug 2020 | $228.58 | $244.82 | $223.87 | $243.61 | +6.62% | 28,667,862 |
| Jul 2020 | $190.67 | $234.67 | $188.74 | $228.48 | +20.29% | 45,393,996 |
| Jun 2020 | $191.60 | $200.40 | $181.01 | $189.94 | -1.76% | 43,144,113 |
| May 2020 | $167.67 | $195.20 | $164.00 | $193.34 | +13.54% | 38,695,362 |
| Apr 2020 | $153.42 | $176.50 | $150.00 | $170.29 | +3.16% | 59,176,455 |
| Mar 2020 | $178.65 | $194.57 | $120.17 | $165.07 | -7.26% | 92,753,221 |
| Feb 2020 | $187.43 | $206.33 | $172.85 | $177.99 | -4.61% | 41,795,899 |
| Jan 2020 | $198.57 | $205.52 | $185.01 | $186.59 | -5.31% | 51,236,248 |
| Dec 2019 | $197.33 | $200.53 | $190.86 | $197.05 | -0.30% | 31,544,520 |
| Nov 2019 | $185.82 | $198.06 | $180.06 | $197.63 | +7.22% | 34,507,002 |
| Oct 2019 | $179.98 | $189.99 | $167.34 | $184.32 | +2.41% | 42,530,917 |
| Sep 2019 | $168.41 | $183.00 | $162.67 | $179.98 | +5.59% | 38,634,069 |
| Aug 2019 | $173.50 | $177.63 | $160.67 | $170.45 | -1.57% | 39,045,621 |
| Jul 2019 | $177.33 | $181.62 | $171.42 | $173.17 | -0.96% | 40,933,971 |
| Jun 2019 | $154.28 | $177.94 | $151.72 | $174.85 | +12.84% | 45,322,998 |
| May 2019 | $170.54 | $170.67 | $154.31 | $154.95 | -8.97% | 47,733,462 |
| Apr 2019 | $191.67 | $196.44 | $162.22 | $170.21 | -10.51% | 63,154,462 |
| Mar 2019 | $183.93 | $193.08 | $174.56 | $190.19 | +4.19% | 34,741,995 |
| Feb 2019 | $174.28 | $186.32 | $167.33 | $182.54 | +4.58% | 33,966,699 |
| Jan 2019 | $156.50 | $181.25 | $148.82 | $174.55 | +9.34% | 57,895,525 |
| Dec 2018 | $180.62 | $182.99 | $143.41 | $159.64 | -9.79% | 49,372,360 |
| Nov 2018 | $174.28 | $182.02 | $154.00 | $176.96 | +1.86% | 47,522,166 |
| Oct 2018 | $191.72 | $193.71 | $155.69 | $173.73 | -9.20% | 72,275,956 |
| Sep 2018 | $186.33 | $191.80 | $177.99 | $191.33 | +2.50% | 30,697,572 |
| Aug 2018 | $170.14 | $186.80 | $169.97 | $186.67 | +10.20% | 31,483,179 |
| Jul 2018 | $158.83 | $179.77 | $157.27 | $169.40 | +6.21% | 56,133,955 |
| Jun 2018 | $153.94 | $165.64 | $153.14 | $159.49 | +4.09% | 49,093,983 |
| May 2018 | $146.67 | $157.59 | $146.02 | $153.22 | +4.29% | 47,992,402 |
| Apr 2018 | $137.42 | $157.93 | $131.19 | $146.93 | +6.77% | 62,207,975 |
| Mar 2018 | $142.81 | $148.37 | $132.40 | $137.61 | -3.19% | 44,277,807 |
| Feb 2018 | $144.20 | $145.40 | $126.67 | $142.15 | -1.21% | 44,488,254 |
| Jan 2018 | $122.63 | $150.67 | $121.70 | $143.89 | +18.29% | 64,101,167 |
| Dec 2017 | $132.87 | $134.00 | $119.92 | $121.65 | -8.71% | 56,840,468 |
| Nov 2017 | $125.77 | $135.02 | $124.62 | $133.26 | +6.51% | 45,391,045 |
| Oct 2017 | $116.57 | $127.38 | $116.40 | $125.12 | +7.67% | 60,112,960 |
| Sep 2017 | $111.32 | $117.20 | $110.82 | $116.21 | +4.10% | 41,021,541 |
| Aug 2017 | $104.33 | $111.74 | $102.63 | $111.63 | +7.08% | 62,211,673 |
| Jul 2017 | $104.55 | $108.30 | $102.29 | $104.25 | +0.31% | 70,345,289 |
| Jun 2017 | $101.68 | $107.06 | $97.39 | $103.93 | +2.26% | 69,922,272 |
| May 2017 | $93.18 | $102.43 | $92.93 | $101.63 | +9.43% | 55,080,657 |
| Apr 2017 | $85.07 | $93.83 | $83.71 | $92.87 | +9.05% | 64,547,138 |
| Mar 2017 | $81.87 | $85.59 | $80.75 | $85.16 | +4.00% | 69,138,767 |
| Feb 2017 | $76.67 | $82.11 | $76.44 | $81.89 | +6.40% | 55,529,550 |
| Jan 2017 | $70.66 | $77.82 | $69.41 | $76.97 | +9.23% | 72,195,815 |
| Dec 2016 | $71.38 | $72.47 | $67.86 | $70.46 | -1.49% | 63,627,113 |
| Nov 2016 | $74.83 | $76.46 | $68.53 | $71.53 | -4.22% | 81,321,945 |
| Oct 2016 | $80.17 | $80.81 | $73.08 | $74.68 | -7.28% | 59,872,239 |
| Sep 2016 | $76.32 | $80.79 | $74.50 | $80.54 | +5.60% | 47,439,000 |
| Aug 2016 | $77.11 | $77.85 | $75.46 | $76.27 | -1.34% | 36,947,700 |
| Jul 2016 | $73.51 | $80.00 | $73.23 | $77.31 | +5.19% | 59,414,400 |
| Jun 2016 | $70.25 | $73.72 | $69.49 | $73.49 | +4.21% | 57,187,800 |
| May 2016 | $69.75 | $71.65 | $67.91 | $70.52 | +1.33% | 59,950,800 |
| Apr 2016 | $66.13 | $72.76 | $65.67 | $69.60 | +4.21% | 66,560,400 |
| Mar 2016 | $62.69 | $67.53 | $62.34 | $66.78 | +6.75% | 74,295,900 |
| Feb 2016 | $59.89 | $63.35 | $55.78 | $62.56 | +4.11% | 68,003,100 |
| Jan 2016 | $60.80 | $64.44 | $57.83 | $60.09 | -0.97% | 88,884,900 |
| Dec 2015 | $57.89 | $61.84 | $56.01 | $60.68 | +5.03% | 56,137,500 |
| Nov 2015 | $55.23 | $58.08 | $55.01 | $57.78 | +4.72% | 47,571,300 |
| Oct 2015 | $51.11 | $57.78 | $49.67 | $55.18 | +8.06% | 81,036,900 |
| Sep 2015 | $55.78 | $58.50 | $50.07 | $51.06 | -10.05% | 56,516,400 |
| Aug 2015 | $59.07 | $59.38 | $52.78 | $56.77 | -4.17% | 47,134,800 |
| Jul 2015 | $54.16 | $62.76 | $52.31 | $59.24 | +10.05% | 68,469,300 |
| Jun 2015 | $54.60 | $56.62 | $53.34 | $53.83 | -0.67% | 49,526,100 |
| May 2015 | $54.95 | $56.22 | $53.65 | $54.19 | -1.66% | 50,452,200 |
| Apr 2015 | $55.77 | $62.12 | $54.61 | $55.11 | -1.79% | 65,025,000 |
| Mar 2015 | $55.66 | $57.22 | $54.07 | $56.11 | +1.01% | 43,611,300 |
| Feb 2015 | $55.54 | $58.16 | $54.96 | $55.56 | +1.12% | 34,395,300 |
| Jan 2015 | $58.99 | $59.79 | $54.77 | $54.94 | -6.51% | 59,285,700 |
| Dec 2014 | $57.32 | $59.87 | $55.18 | $58.77 | +2.16% | 35,622,000 |
| Nov 2014 | $54.12 | $58.18 | $54.03 | $57.53 | +4.43% | 40,785,300 |
| Oct 2014 | $51.48 | $56.19 | $49.93 | $55.09 | +7.36% | 85,123,800 |
| Sep 2014 | $52.51 | $53.51 | $50.17 | $51.31 | -1.74% | 54,393,300 |
| Aug 2014 | $51.00 | $53.38 | $48.72 | $52.22 | +2.72% | 52,961,400 |
| Jul 2014 | $45.76 | $53.67 | $41.78 | $50.84 | +11.11% | 127,532,700 |
| Jun 2014 | $40.97 | $47.38 | $40.69 | $45.76 | +11.38% | 87,308,100 |
| May 2014 | $40.58 | $41.91 | $38.50 | $41.08 | +2.22% | 100,731,600 |
| Apr 2014 | $54.01 | $60.14 | $39.26 | $40.19 | -17.42% | 192,790,800 |
| Mar 2014 | $49.14 | $51.39 | $46.48 | $48.67 | -1.54% | 71,879,400 |
| Feb 2014 | $45.04 | $50.55 | $44.07 | $49.43 | +9.14% | 68,729,400 |
| Jan 2014 | $42.63 | $49.72 | $41.11 | $45.29 | +6.12% | 138,622,500 |
| Dec 2013 | $42.02 | $42.71 | $39.02 | $42.68 | +1.91% | 86,588,100 |
| Nov 2013 | $41.54 | $44.31 | $40.97 | $41.88 | +1.45% | 53,930,700 |
| Oct 2013 | $41.72 | $45.43 | $39.78 | $41.28 | -1.27% | 130,473,000 |
| Sep 2013 | $43.13 | $43.39 | $40.38 | $41.81 | -2.65% | 96,494,400 |
| Aug 2013 | $43.23 | $43.98 | $41.73 | $42.95 | -0.38% | 64,758,600 |
| Jul 2013 | $56.58 | $56.58 | $39.67 | $43.11 | -23.34% | 212,710,500 |
| Jun 2013 | $55.48 | $57.34 | $54.65 | $56.24 | +1.73% | 43,771,500 |
| May 2013 | $54.62 | $56.87 | $51.68 | $55.28 | +1.06% | 67,559,400 |
| Apr 2013 | $54.76 | $57.30 | $51.75 | $54.70 | +0.22% | 85,284,900 |
| Mar 2013 | $61.44 | $62.00 | $50.58 | $54.58 | -3.67% | 138,142,800 |
| Feb 2013 | $64.13 | $65.07 | $54.71 | $56.65 | -11.23% | 52,355,700 |
| Jan 2013 | $56.28 | $64.83 | $53.98 | $63.82 | +17.13% | 94,493,700 |
| Dec 2012 | $58.75 | $61.55 | $52.92 | $54.49 | -7.30% | 94,779,000 |
| Nov 2012 | $60.56 | $61.24 | $57.81 | $58.78 | -2.44% | 49,710,600 |
| Oct 2012 | $55.45 | $61.33 | $54.34 | $60.25 | +9.40% | 94,744,800 |
| Sep 2012 | $54.47 | $57.96 | $53.47 | $55.07 | +0.78% | 52,423,200 |
| Aug 2012 | $53.89 | $57.60 | $52.34 | $54.64 | +2.14% | 46,553,400 |
| Jul 2012 | $61.83 | $63.33 | $51.92 | $53.50 | -13.05% | 78,219,900 |
| Jun 2012 | $56.86 | $61.86 | $55.33 | $61.53 | +5.87% | 53,524,800 |
| May 2012 | $64.23 | $65.74 | $56.38 | $58.12 | -9.53% | 54,916,200 |
| Apr 2012 | $59.65 | $66.10 | $58.70 | $64.24 | +6.73% | 63,241,200 |
| Mar 2012 | $56.68 | $61.16 | $55.92 | $60.19 | +5.89% | 47,120,400 |
| Feb 2012 | $51.27 | $57.61 | $50.99 | $56.85 | +11.24% | 60,975,900 |
| Jan 2012 | $52.33 | $52.94 | $47.70 | $51.10 | -0.67% | 81,252,900 |
| Dec 2011 | $47.19 | $52.14 | $46.76 | $51.45 | +6.63% | 53,973,900 |
| Nov 2011 | $47.27 | $49.90 | $45.60 | $48.25 | +0.08% | 54,660,600 |
| Oct 2011 | $40.04 | $49.22 | $37.91 | $48.21 | +19.10% | 85,517,100 |
| Sep 2011 | $42.49 | $44.71 | $39.44 | $40.48 | -4.48% | 77,375,700 |
| Aug 2011 | $44.84 | $45.33 | $35.56 | $42.37 | -4.79% | 117,179,100 |
| Jul 2011 | $41.47 | $46.13 | $39.27 | $44.51 | +7.64% | 85,898,700 |
| Jun 2011 | $38.72 | $41.80 | $37.34 | $41.35 | +6.62% | 52,751,700 |
| May 2011 | $39.08 | $40.37 | $37.53 | $38.78 | -0.20% | 46,034,100 |
| Apr 2011 | $37.34 | $41.98 | $37.34 | $38.86 | +4.87% | 104,928,300 |
| Mar 2011 | $36.73 | $37.73 | $35.00 | $37.05 | +1.68% | 75,096,000 |
| Feb 2011 | $36.11 | $38.53 | $35.77 | $36.44 | +1.56% | 56,118,600 |
| Jan 2011 | $29.09 | $37.65 | $29.09 | $35.88 | +25.28% | 134,570,700 |
| Dec 2010 | $29.05 | $30.44 | $28.14 | $28.64 | -0.98% | 94,807,800 |
| Nov 2010 | $29.36 | $31.19 | $27.34 | $28.92 | -1.01% | 90,406,800 |
| Oct 2010 | $31.83 | $32.78 | $28.34 | $29.22 | -7.33% | 148,511,700 |
| Sep 2010 | $30.13 | $34.53 | $29.53 | $31.53 | +7.06% | 107,888,400 |
| Aug 2010 | $37.03 | $37.57 | $29.11 | $29.45 | -19.29% | 118,962,000 |
| Jul 2010 | $35.08 | $38.30 | $33.52 | $36.49 | +4.04% | 128,249,100 |
| Jun 2010 | $36.72 | $39.88 | $35.01 | $35.07 | -2.22% | 92,812,500 |
| May 2010 | $40.33 | $41.45 | $33.45 | $35.86 | -10.48% | 118,477,800 |
| Apr 2010 | $39.09 | $43.77 | $36.67 | $40.06 | +3.57% | 148,194,900 |
| Mar 2010 | $38.89 | $40.78 | $37.61 | $38.68 | +0.29% | 87,494,400 |
| Feb 2010 | $36.48 | $38.83 | $35.06 | $38.57 | +5.82% | 77,166,900 |
| Jan 2010 | $34.13 | $38.48 | $33.48 | $36.45 | +8.12% | 112,286,700 |
| Dec 2009 | $31.33 | $34.34 | $31.28 | $33.71 | +8.16% | 80,554,500 |
| Nov 2009 | $27.59 | $31.45 | $27.01 | $31.17 | +13.88% | 84,558,600 |
| Oct 2009 | $28.90 | $29.92 | $26.81 | $27.37 | -6.06% | 182,429,100 |
| Sep 2009 | $24.57 | $29.50 | $23.44 | $29.14 | +17.75% | 140,418,000 |
| Aug 2009 | $25.77 | $26.61 | $23.83 | $24.75 | -2.03% | 106,677,000 |
| Jul 2009 | $18.33 | $25.84 | $15.69 | $25.26 | +38.90% | 264,663,000 |
| Jun 2009 | $16.89 | $18.96 | $16.49 | $18.18 | +9.34% | 206,620,200 |
| May 2009 | $15.92 | $18.28 | $15.37 | $16.63 | +4.14% | 213,799,500 |
| Apr 2009 | $10.35 | $17.19 | $10.17 | $15.97 | +50.72% | 372,149,100 |
| Mar 2009 | $9.94 | $11.68 | $9.43 | $10.60 | +4.84% | 277,930,800 |
| Feb 2009 | $11.33 | $12.89 | $10.11 | $10.11 | -11.89% | 252,248,400 |
| Jan 2009 | $14.04 | $14.74 | $9.68 | $11.47 | -18.71% | 359,631,000 |
| Dec 2008 | $14.38 | $16.06 | $12.69 | $14.11 | -4.18% | 176,978,700 |
| Nov 2008 | $19.61 | $22.76 | $12.26 | $14.73 | -23.30% | 234,681,300 |
| Oct 2008 | $26.44 | $27.36 | $17.03 | $19.20 | -28.30% | 296,198,100 |
| Sep 2008 | $33.26 | $33.78 | $25.13 | $26.78 | -18.39% | 141,923,700 |
| Aug 2008 | $34.48 | $34.96 | $32.06 | $32.81 | -5.15% | 92,613,600 |
| Jul 2008 | $29.40 | $37.03 | $27.53 | $34.59 | +15.55% | 168,244,200 |
| Jun 2008 | $32.59 | $32.95 | $29.25 | $29.93 | -8.24% | 146,043,000 |
| May 2008 | $32.43 | $34.30 | $30.31 | $32.62 | +1.50% | 182,679,300 |
| Apr 2008 | $36.56 | $39.78 | $30.21 | $32.14 | -10.82% | 288,591,300 |
| Mar 2008 | $31.22 | $37.22 | $28.26 | $36.04 | +15.05% | 160,376,400 |
| Feb 2008 | $32.53 | $35.09 | $31.16 | $31.32 | +10.99% | 188,611,200 |
| Jan 2008 | $35.96 | $36.72 | $25.25 | $28.22 | -21.36% | 255,646,800 |
| Dec 2007 | $36.63 | $39.95 | $32.17 | $35.89 | -1.43% | 195,257,700 |
| Nov 2007 | $35.80 | $36.89 | $29.33 | $36.41 | +0.25% | 239,535,900 |
| Oct 2007 | $25.93 | $37.74 | $25.52 | $36.32 | +42.12% | 355,877,100 |
| Sep 2007 | $24.84 | $26.16 | $23.30 | $25.56 | +3.94% | 136,873,800 |
| Aug 2007 | $23.60 | $24.92 | $20.57 | $24.59 | +4.08% | 174,222,000 |
| Jul 2007 | $15.44 | $25.00 | $15.37 | $23.62 | +53.21% | 290,927,700 |
| Jun 2007 | $15.38 | $16.24 | $15.00 | $15.42 | +0.83% | 112,956,300 |
| May 2007 | $14.53 | $15.76 | $14.18 | $15.29 | +6.15% | 131,898,600 |
| Apr 2007 | $13.50 | $15.08 | $13.39 | $14.41 | +6.65% | 162,244,800 |
| Mar 2007 | $12.12 | $13.89 | $11.56 | $13.51 | +9.42% | 155,483,100 |
| Feb 2007 | $11.02 | $13.11 | $10.93 | $12.34 | +12.90% | 173,271,600 |
| Jan 2007 | $10.78 | $11.02 | $9.58 | $10.93 | +2.62% | 190,458,900 |
| Dec 2006 | $11.32 | $11.94 | $10.63 | $10.66 | -5.63% | 119,815,200 |
| Nov 2006 | $11.00 | $11.62 | $10.44 | $11.29 | +2.46% | 178,112,700 |
| Oct 2006 | $11.69 | $12.68 | $10.82 | $11.02 | -5.95% | 216,800,100 |
| Sep 2006 | $10.56 | $12.22 | $10.26 | $11.72 | +11.71% | 150,544,800 |
| Aug 2006 | $10.52 | $11.27 | $10.04 | $10.49 | -0.84% | 174,856,500 |
| Jul 2006 | $12.97 | $13.76 | $10.50 | $10.58 | -17.22% | 227,103,300 |
| Jun 2006 | $12.44 | $13.19 | $10.79 | $12.78 | +3.33% | 244,144,800 |
| May 2006 | $14.24 | $14.67 | $11.50 | $12.37 | -12.37% | 204,366,600 |
| Apr 2006 | $13.32 | $14.23 | $11.24 | $14.11 | +7.63% | 233,712,900 |
| Mar 2006 | $9.96 | $13.57 | $9.51 | $13.11 | +30.82% | 289,103,400 |
| Feb 2006 | $15.28 | $15.33 | $9.88 | $10.02 | -34.29% | 390,954,600 |
| Jan 2006 | $13.21 | $15.50 | $12.54 | $15.25 | +17.05% | 175,467,600 |
| Dec 2005 | $12.53 | $13.87 | $12.36 | $13.03 | +4.96% | 141,564,600 |
| Nov 2005 | $9.78 | $13.16 | $9.53 | $12.41 | +25.92% | 178,245,000 |
| Oct 2005 | $8.17 | $10.29 | $7.09 | $9.86 | +21.07% | 194,709,600 |
| Sep 2005 | $8.11 | $8.53 | $7.37 | $8.14 | -1.49% | 146,101,500 |
| Aug 2005 | $7.62 | $8.82 | $7.39 | $8.27 | +7.21% | 216,342,000 |
| Jul 2005 | $5.19 | $8.07 | $5.16 | $7.71 | +48.80% | 222,320,700 |
| Jun 2005 | $5.52 | $5.66 | $5.09 | $5.18 | -5.78% | 61,824,600 |
| May 2005 | $4.77 | $5.58 | $4.60 | $5.50 | +15.28% | 82,874,700 |
| Apr 2005 | $5.11 | $5.90 | $4.46 | $4.77 | -5.56% | 181,538,100 |
| Mar 2005 | $5.28 | $5.34 | $4.71 | $5.05 | -3.56% | 92,059,200 |
| Feb 2005 | $4.47 | $5.49 | $4.36 | $5.24 | +18.17% | 133,077,600 |
| Jan 2005 | $4.45 | $4.69 | $3.97 | $4.43 | -0.30% | 97,391,700 |
| Dec 2004 | $4.07 | $4.51 | $3.60 | $4.45 | +11.38% | 83,321,100 |
| Nov 2004 | $3.25 | $4.14 | $3.18 | $3.99 | +23.13% | 83,548,800 |
| Oct 2004 | $2.72 | $3.29 | $2.35 | $3.24 | +17.90% | 139,829,400 |
| Sep 2004 | $2.71 | $3.14 | $2.70 | $2.75 | +2.06% | 98,526,600 |
| Aug 2004 | $2.45 | $2.82 | $2.30 | $2.69 | +5.99% | 76,194,000 |
| Jul 2004 | $2.07 | $2.65 | $1.96 | $2.54 | +20.42% | 122,858,100 |
| Jun 2004 | $1.81 | $2.12 | $1.80 | $2.11 | +14.87% | 42,985,800 |
| May 2004 | $1.81 | $1.90 | $1.75 | $1.84 | +2.04% | 23,363,100 |
| Apr 2004 | $1.89 | $1.94 | $1.68 | $1.80 | -4.48% | 32,652,000 |
| Mar 2004 | $2.00 | $2.13 | $1.81 | $1.89 | -5.25% | 34,671,600 |
| Feb 2004 | $1.95 | $2.16 | $1.87 | $1.99 | +0.73% | 25,474,500 |
| Jan 2004 | $1.90 | $2.11 | $1.82 | $1.98 | +4.04% | 21,717,900 |
| Dec 2003 | $1.71 | $1.94 | $1.64 | $1.90 | +11.92% | 30,403,800 |
| Nov 2003 | $1.61 | $1.77 | $1.51 | $1.70 | +5.31% | 27,053,100 |
| Oct 2003 | $1.85 | $2.00 | $1.56 | $1.61 | -13.02% | 50,703,300 |
| Sep 2003 | $1.68 | $2.07 | $1.65 | $1.85 | +10.03% | 21,337,200 |
| Aug 2003 | $1.66 | $1.76 | $1.59 | $1.68 | +1.00% | 16,800,300 |
| Jul 2003 | $1.61 | $1.78 | $1.11 | $1.67 | +0.14% | 32,111,100 |
| Jun 2003 | $1.96 | $2.04 | $1.62 | $1.66 | -14.50% | 14,173,200 |
| May 2003 | $1.37 | $2.04 | $1.33 | $1.95 | +41.98% | 16,249,500 |
| Apr 2003 | $1.46 | $1.59 | $1.19 | $1.37 | -4.49% | 13,240,800 |
| Mar 2003 | $0.8333 | $1.64 | $0.8333 | $1.44 | +71.81% | 21,896,100 |
| Feb 2003 | $1.44 | $1.44 | $0.8156 | $0.8356 | -41.34% | 9,565,200 |
| Jan 2003 | $1.37 | $1.51 | $1.20 | $1.42 | +4.05% | 9,088,200 |
| Dec 2002 | $1.66 | $1.71 | $1.30 | $1.37 | -15.61% | 14,482,350 |
| Nov 2002 | $1.45 | $1.74 | $1.34 | $1.62 | +8.95% | 8,677,350 |
| Oct 2002 | $1.73 | $1.85 | $1.29 | $1.49 | -16.15% | 6,117,750 |
| Sep 2002 | $1.60 | $1.81 | $1.56 | $1.78 | +8.27% | 4,207,500 |
| Aug 2002 | $1.59 | $1.88 | $1.54 | $1.64 | +5.43% | 8,193,600 |
| Jul 2002 | $1.84 | $1.87 | $1.24 | $1.56 | -17.35% | 10,471,050 |
| Jun 2002 | $2.03 | $2.07 | $1.69 | $1.88 | -10.18% | 7,444,800 |
| May 2002 | $2.27 | $2.27 | $1.61 | $2.10 | -7.09% | 10,898,550 |
| Apr 2002 | $2.11 | $2.50 | $2.00 | $2.26 | +7.98% | 16,942,050 |
| Mar 2002 | $2.08 | $2.26 | $1.99 | $2.09 | +2.18% | 9,531,450 |
| Feb 2002 | $2.14 | $2.33 | $1.84 | $2.04 | -0.54% | 16,999,200 |
| Jan 2002 | $2.18 | $2.20 | $1.80 | $2.06 | -7.78% | 9,822,150 |
| Dec 2001 | $2.09 | $2.32 | $1.95 | $2.23 | +4.92% | 12,163,050 |
| Nov 2001 | $2.03 | $2.27 | $1.76 | $2.12 | +3.91% | 13,861,350 |
| Oct 2001 | $1.37 | $2.39 | $1.34 | $2.04 | +47.43% | 20,432,700 |
| Sep 2001 | $2.02 | $2.04 | $1.11 | $1.39 | -31.50% | 9,339,750 |
| Aug 2001 | $2.18 | $2.20 | $1.94 | $2.02 | -0.87% | 16,189,650 |
| Jul 2001 | $2.96 | $3.14 | $1.95 | $2.04 | -31.98% | 34,173,450 |
| Jun 2001 | $1.43 | $3.28 | $1.37 | $3.00 | +109.46% | 79,524,900 |
| May 2001 | $1.50 | $1.50 | $1.06 | $1.43 | -2.28% | 23,418,000 |
| Apr 2001 | $1.01 | $1.56 | $0.6667 | $1.47 | +35.39% | 7,987,950 |
| Mar 2001 | $1.59 | $1.88 | $1.08 | $1.08 | -32.76% | 7,423,200 |
| Feb 2001 | $1.83 | $2.03 | $1.53 | $1.61 | -13.43% | 18,745,200 |
| Jan 2001 | $1.81 | $1.94 | $1.36 | $1.86 | -1.47% | 22,581,900 |
| Dec 2000 | $2.61 | $2.64 | $1.19 | $1.89 | -27.66% | 28,698,750 |
| Nov 2000 | $3.09 | $3.19 | $2.28 | $2.61 | -13.76% | 4,243,500 |
| Oct 2000 | $2.61 | $3.35 | $1.86 | $3.03 | +15.96% | 8,941,050 |
| Sep 2000 | $3.23 | $3.32 | $2.33 | $2.61 | -18.97% | 6,131,250 |
| Aug 2000 | $3.99 | $4.04 | $2.78 | $3.22 | -23.18% | 6,446,250 |
| Jul 2000 | $2.17 | $4.24 | $2.10 | $4.19 | +100.00% | 36,274,500 |
| Jun 2000 | $2.01 | $2.47 | $1.75 | $2.10 | – | 10,473,750 |
Seasonality
ISRG 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 | 0.5% | 0.1% | -0.5% | 1.9% | 2.1% | 2.9% | 2.1% | 3.0% | -1.0% | 5.3% | 6.4% | 0.7% |
| Months up | 5 of 10 | 5 of 10 | 6 of 10 | 6 of 10 | 6 of 10 | 6 of 10 | 5 of 10 | 6 of 10 | 4 of 10 | 7 of 10 | 8 of 9 | 3 of 9 |
| 2026 | -11.0% | -0.1% | -8.4% | -0.7% | -7.2% | -6.3% | -11.2% | 6.7% | 7.9% | 6.2% | ||
| 2025 | 9.6% | 0.2% | -13.6% | 4.1% | 7.1% | -1.6% | -11.5% | -1.6% | -5.5% | 19.5% | 7.3% | -1.2% |
| 2024 | 12.1% | 2.0% | 3.5% | -7.1% | 8.5% | 10.6% | -0.1% | 10.8% | -0.3% | 2.6% | 7.6% | -3.7% |
| 2023 | -7.4% | -6.6% | 11.4% | 17.9% | 2.2% | 11.1% | -5.1% | -3.6% | -6.5% | -10.3% | 18.5% | 8.5% |
| 2022 | -20.9% | 2.2% | 3.9% | -20.7% | -4.9% | -11.8% | 14.7% | -10.6% | -8.9% | 31.5% | 9.7% | -1.9% |
| 2021 | -8.6% | -1.4% | 0.3% | 17.1% | -2.6% | 9.2% | 7.8% | 6.3% | -5.6% | 9.0% | -10.2% | 10.8% |
| 2020 | -5.3% | -4.6% | -7.3% | 3.2% | 13.5% | -1.8% | 20.3% | 6.6% | -2.9% | -6.0% | 8.8% | 12.7% |
| 2019 | 9.3% | 4.6% | 4.2% | -10.5% | -9.0% | 12.8% | -1.0% | -1.6% | 5.6% | 2.4% | 7.2% | -0.3% |
| 2018 | 18.3% | -1.2% | -3.2% | 6.8% | 4.3% | 4.1% | 6.2% | 10.2% | 2.5% | -9.2% | 1.9% | -9.8% |
| 2017 | 9.2% | 6.4% | 4.0% | 9.1% | 9.4% | 2.3% | 0.3% | 7.1% | 4.1% | 7.7% | 6.5% | -8.7% |