Watsco Inc (WSO.B) stock
WSO.BNYSEWholesale-Hardware & Plumbing & Heating Equipment & SuppliesFiscal year ends December 31Also trades as WSO
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 15/3029% above fair value
$284.20+0.00 (0.00%)
Close on Oct 29, 2026Market cap $11.72BP/E 24.5Yield 4.12%
Price history
Watsco share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 29, 2026
$284.20
0.00% on the day
52-week range
$284.20 – $453.37
-37.3% from the high
Change over 52 weeks
-25.1%
From $379.35 on Oct 29, 2025
Average volume
96
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $310.90 | $326.28 | $284.20 | $284.20 | -8.59% | 957 |
| Sep 2026 | $316.05 | $328.67 | $310.90 | $310.90 | -1.63% | 1,637 |
| Aug 2026 | $319.11 | $335.40 | $306.82 | $316.05 | -1.77% | 3,644 |
| Jul 2026 | $350.00 | $385.00 | $317.63 | $321.76 | -8.07% | 2,322 |
| Jun 2026 | $403.83 | $403.83 | $350.00 | $350.00 | -13.33% | 450 |
| May 2026 | $450.00 | $453.37 | $403.83 | $403.83 | -10.26% | 549 |
| Apr 2026 | $368.33 | $450.00 | $368.33 | $450.00 | +22.17% | 548 |
| Mar 2026 | $419.25 | $419.25 | $367.54 | $368.33 | -12.15% | 480 |
| Feb 2026 | $389.44 | $419.25 | $388.94 | $419.25 | +7.65% | 620 |
| Jan 2026 | $338.85 | $389.44 | $338.85 | $389.44 | +14.93% | 1,541 |
| Dec 2025 | $351.50 | $356.95 | $338.85 | $338.85 | -3.60% | 950 |
| Nov 2025 | $366.15 | $366.15 | $351.50 | $351.50 | -4.00% | 708 |
| Oct 2025 | $402.56 | $402.56 | $366.15 | $366.15 | -9.04% | 1,185 |
| Sep 2025 | $434.83 | $434.83 | $402.56 | $402.56 | -7.42% | 1,045 |
| Aug 2025 | $437.48 | $437.48 | $425.50 | $434.83 | -0.61% | 1,175 |
| Jul 2025 | $437.48 | $437.48 | $437.48 | $437.48 | 0.00% | 468 |
| Jun 2025 | $450.00 | $450.00 | $437.48 | $437.48 | -2.78% | 1,124 |
| May 2025 | $447.21 | $474.05 | $447.21 | $450.00 | +0.62% | 3,316 |
| Apr 2025 | $507.10 | $507.10 | $447.21 | $447.21 | -11.81% | 1,141 |
| Mar 2025 | $492.95 | $507.10 | $492.95 | $507.10 | +1.15% | 3,189 |
| Feb 2025 | $482.83 | $529.46 | $464.07 | $501.35 | +3.53% | 10,582 |
| Jan 2025 | $535.00 | $535.00 | $469.95 | $484.25 | -9.49% | 1,674 |
| Dec 2024 | $535.00 | $535.00 | $535.00 | $535.00 | 0.00% | 458 |
| Nov 2024 | $470.90 | $535.00 | $470.90 | $535.00 | +13.61% | 2,137 |
| Oct 2024 | $495.00 | $495.00 | $470.90 | $470.90 | -4.87% | 634 |
| Sep 2024 | $485.10 | $495.00 | $455.90 | $495.00 | +2.04% | 4,196 |
| Aug 2024 | $491.75 | $491.75 | $456.19 | $485.10 | -1.35% | 2,635 |
| Jul 2024 | $445.15 | $491.75 | $445.15 | $491.75 | +10.47% | 748 |
| Jun 2024 | $445.15 | $445.15 | $445.15 | $445.15 | 0.00% | 470 |
| May 2024 | $445.15 | $445.15 | $445.15 | $445.15 | 0.00% | 900 |
| Apr 2024 | $429.35 | $445.15 | $424.75 | $445.15 | +3.68% | 915 |
| Mar 2024 | $390.85 | $429.35 | $390.85 | $429.35 | +9.85% | 731 |
| Feb 2024 | $390.85 | $390.85 | $390.85 | $390.85 | 0.00% | 359 |
| Jan 2024 | $422.20 | $422.20 | $390.85 | $390.85 | -7.43% | 1,248 |
| Dec 2023 | $375.00 | $422.25 | $375.00 | $422.20 | +12.59% | 1,133 |
| Nov 2023 | $375.00 | $375.00 | $375.00 | $375.00 | 0.00% | 293 |
| Oct 2023 | $364.19 | $388.50 | $364.19 | $375.00 | +2.97% | 575 |
| Sep 2023 | $367.15 | $367.15 | $364.19 | $364.19 | -0.81% | 529 |
| Aug 2023 | $367.15 | $367.15 | $367.15 | $367.15 | 0.00% | 438 |
| Jul 2023 | $364.81 | $369.00 | $363.94 | $367.15 | +0.64% | 1,385 |
| Jun 2023 | $319.30 | $378.66 | $319.30 | $364.81 | +14.25% | 4,624 |
| May 2023 | $345.16 | $345.16 | $319.30 | $319.30 | -7.49% | 1,258 |
| Apr 2023 | $316.05 | $345.16 | $311.81 | $345.16 | +9.46% | 2,138 |
| Mar 2023 | $305.49 | $315.32 | $296.00 | $315.32 | +3.22% | 1,345 |
| Feb 2023 | $274.75 | $320.43 | $274.75 | $305.49 | +11.19% | 2,943 |
| Jan 2023 | $252.51 | $275.35 | $252.51 | $274.75 | +8.81% | 1,854 |
| Dec 2022 | $277.55 | $277.55 | $250.43 | $252.51 | -9.02% | 6,468 |
| Nov 2022 | $284.97 | $284.97 | $277.55 | $277.55 | +4.45% | 2,430 |
| Oct 2022 | $263.37 | $271.74 | $232.59 | $265.72 | -3.23% | 2,663 |
| Sep 2022 | $305.03 | $305.03 | $274.58 | $274.58 | -9.98% | 657 |
| Aug 2022 | $243.86 | $305.03 | $243.86 | $305.03 | +25.08% | 1,466 |
| Jul 2022 | $243.86 | $243.86 | $243.86 | $243.86 | 0.00% | 270 |
| Jun 2022 | $259.16 | $260.40 | $233.91 | $243.86 | -5.90% | 1,567 |
| May 2022 | $269.72 | $269.72 | $259.16 | $259.16 | -10.24% | 1,368 |
| Apr 2022 | $301.25 | $301.25 | $288.71 | $288.71 | -7.05% | 975 |
| Mar 2022 | $273.00 | $310.60 | $273.00 | $310.60 | +19.75% | 2,634 |
| Feb 2022 | $280.96 | $281.66 | $259.38 | $259.38 | -7.13% | 1,363 |
| Jan 2022 | $306.82 | $314.00 | $275.00 | $279.30 | -8.97% | 3,403 |
| Dec 2021 | $302.69 | $311.36 | $297.55 | $306.82 | +1.36% | 3,471 |
| Nov 2021 | $295.21 | $302.69 | $294.22 | $302.69 | +2.31% | 1,314 |
| Oct 2021 | $266.92 | $300.41 | $266.85 | $295.85 | +10.11% | 8,874 |
| Sep 2021 | $275.15 | $278.08 | $268.69 | $268.69 | -2.35% | 5,890 |
| Aug 2021 | $292.01 | $292.01 | $275.15 | $275.15 | -5.77% | 681 |
| Jul 2021 | $292.01 | $292.01 | $292.01 | $292.01 | 0.00% | 79 |
| Jun 2021 | $292.01 | $292.01 | $292.01 | $292.01 | 0.00% | 299 |
| May 2021 | $292.11 | $298.68 | $291.65 | $292.01 | -0.03% | 2,817 |
| Apr 2021 | $255.50 | $292.11 | $255.50 | $292.11 | +14.33% | 1,343 |
| Mar 2021 | $251.85 | $255.50 | $235.94 | $255.50 | +1.45% | 1,134 |
| Feb 2021 | $262.89 | $262.89 | $251.85 | $251.85 | -4.20% | 406 |
| Jan 2021 | $233.05 | $262.89 | $226.51 | $262.89 | +12.80% | 2,487 |
| Dec 2020 | $227.16 | $233.05 | $219.80 | $233.05 | +2.59% | 1,666 |
| Nov 2020 | $231.41 | $244.41 | $226.10 | $227.16 | +1.18% | 2,467 |
| Oct 2020 | $232.92 | $238.10 | $223.99 | $224.50 | -3.61% | 1,199 |
| Sep 2020 | $242.80 | $242.80 | $232.92 | $232.92 | -4.07% | 616 |
| Aug 2020 | $236.25 | $242.80 | $236.25 | $242.80 | +2.45% | 797 |
| Jul 2020 | $178.40 | $236.99 | $178.40 | $236.99 | +32.84% | 3,504 |
| Jun 2020 | $175.29 | $181.11 | $175.29 | $178.40 | +1.77% | 6,476 |
| May 2020 | $162.25 | $177.28 | $154.00 | $175.29 | +8.04% | 2,063 |
| Apr 2020 | $156.29 | $166.22 | $146.16 | $162.25 | +3.81% | 1,486 |
| Mar 2020 | $162.76 | $179.99 | $139.00 | $156.29 | +2.48% | 4,262 |
| Feb 2020 | $180.08 | $180.08 | $152.51 | $152.51 | -15.31% | 1,665 |
| Jan 2020 | $181.50 | $181.50 | $178.18 | $180.08 | -0.78% | 2,047 |
| Dec 2019 | $178.48 | $181.50 | $178.48 | $181.50 | +1.69% | 7,836 |
| Nov 2019 | $178.90 | $179.31 | $177.56 | $178.48 | -0.23% | 740 |
| Oct 2019 | $165.18 | $178.90 | $165.00 | $178.90 | +8.31% | 1,538 |
| Sep 2019 | $164.02 | $170.00 | $164.02 | $165.18 | +0.71% | 537 |
| Aug 2019 | $160.48 | $164.02 | $153.77 | $164.02 | +1.25% | 653 |
| Jul 2019 | $165.19 | $165.19 | $154.65 | $162.00 | -1.93% | 1,089 |
| Jun 2019 | $163.15 | $165.19 | $163.15 | $165.19 | +1.25% | 100 |
| May 2019 | $163.15 | $163.15 | $163.15 | $163.15 | 0.00% | 900 |
| Apr 2019 | $144.27 | $170.15 | $143.00 | $163.15 | +13.09% | 1,902 |
| Mar 2019 | $146.00 | $146.00 | $139.54 | $144.27 | -1.18% | 801 |
| Feb 2019 | $141.66 | $153.00 | $140.06 | $146.00 | +4.24% | 1,800 |
| Jan 2019 | $135.25 | $141.66 | $135.25 | $140.06 | +3.56% | 872 |
| Dec 2018 | $153.76 | $153.79 | $132.69 | $135.25 | -12.04% | 13,700 |
| Nov 2018 | $148.37 | $154.63 | $143.03 | $153.76 | +3.63% | 5,215 |
| Oct 2018 | $177.35 | $177.35 | $141.62 | $148.37 | -16.34% | 15,728 |
| Sep 2018 | $173.86 | $181.00 | $173.86 | $177.35 | +2.01% | 621 |
| Aug 2018 | $173.95 | $177.08 | $170.00 | $173.86 | -0.05% | 1,554 |
| Jul 2018 | $176.78 | $183.26 | $166.26 | $173.95 | -1.60% | 2,204 |
| Jun 2018 | $183.59 | $192.75 | $176.78 | $176.78 | -3.71% | 1,734 |
| May 2018 | $166.93 | $184.57 | $166.66 | $183.59 | +7.85% | 1,017 |
| Apr 2018 | $180.27 | $191.01 | $168.13 | $170.23 | -5.57% | 3,280 |
| Mar 2018 | $165.00 | $182.75 | $165.00 | $180.27 | +6.04% | 1,209 |
| Feb 2018 | $178.99 | $178.99 | $165.02 | $170.00 | -5.46% | 1,555 |
| Jan 2018 | $169.16 | $187.69 | $169.16 | $179.82 | +6.40% | 11,014 |
| Dec 2017 | $166.55 | $170.22 | $165.30 | $169.00 | +1.43% | 14,645 |
| Nov 2017 | $166.62 | $166.62 | $166.62 | $166.62 | -0.01% | 172 |
| Oct 2017 | $160.15 | $166.63 | $157.05 | $166.63 | +4.05% | 617 |
| Sep 2017 | $146.26 | $160.15 | $146.26 | $160.15 | +9.50% | 753 |
| Aug 2017 | $151.96 | $151.96 | $142.00 | $146.26 | -3.75% | 2,389 |
| Jul 2017 | $151.88 | $156.45 | $150.85 | $151.96 | +0.05% | 11,486 |
| Jun 2017 | $138.12 | $157.14 | $138.12 | $151.88 | +9.96% | 2,520 |
| May 2017 | $141.00 | $141.00 | $138.12 | $138.12 | -2.04% | 1,033 |
| Apr 2017 | $143.25 | $143.25 | $134.10 | $141.00 | -1.57% | 2,992 |
| Mar 2017 | $150.82 | $150.82 | $143.07 | $143.25 | -5.02% | 1,337 |
| Feb 2017 | $152.70 | $153.02 | $145.50 | $150.82 | -1.23% | 2,674 |
| Jan 2017 | $148.75 | $152.70 | $148.75 | $152.70 | +2.66% | 1,003 |
| Dec 2016 | $147.55 | $157.72 | $147.47 | $148.75 | +0.81% | 2,687 |
| Nov 2016 | $136.98 | $147.83 | $136.98 | $147.55 | +7.72% | 4,478 |
| Oct 2016 | $142.90 | $146.10 | $128.86 | $136.98 | -4.14% | 5,505 |
| Sep 2016 | $148.67 | $148.67 | $140.00 | $142.90 | -3.88% | 1,366 |
| Aug 2016 | $142.98 | $148.98 | $136.89 | $148.67 | +3.35% | 8,324 |
| Jul 2016 | $139.84 | $143.85 | $139.84 | $143.85 | +2.87% | 1,183 |
| Jun 2016 | $133.00 | $139.84 | $133.00 | $139.84 | +5.14% | 2,012 |
| May 2016 | $134.73 | $134.73 | $128.85 | $133.00 | -1.28% | 596 |
| Apr 2016 | $130.47 | $134.73 | $130.47 | $134.73 | +3.27% | 443 |
| Mar 2016 | $126.16 | $131.58 | $126.16 | $130.47 | +3.42% | 1,037 |
| Feb 2016 | $115.17 | $126.16 | $114.88 | $126.16 | +13.22% | 1,164 |
| Jan 2016 | $118.86 | $118.86 | $108.01 | $111.43 | -6.25% | 1,064 |
| Dec 2015 | $128.00 | $128.00 | $117.23 | $118.86 | -7.14% | 1,435 |
| Nov 2015 | $123.00 | $128.00 | $123.00 | $128.00 | +4.07% | 472 |
| Oct 2015 | $118.91 | $131.45 | $111.55 | $123.00 | +3.44% | 3,802 |
| Sep 2015 | $122.55 | $125.13 | $118.91 | $118.91 | -2.97% | 2,390 |
| Aug 2015 | $125.75 | $130.15 | $119.65 | $122.55 | -2.54% | 1,855 |
| Jul 2015 | $123.92 | $127.23 | $123.22 | $125.75 | -0.76% | 1,048 |
| Jun 2015 | $127.15 | $127.15 | $126.71 | $126.71 | -0.35% | 376 |
| May 2015 | $120.74 | $127.19 | $120.74 | $127.15 | +5.31% | 1,061 |
| Apr 2015 | $126.49 | $128.73 | $120.74 | $120.74 | -3.25% | 2,533 |
| Mar 2015 | $119.81 | $125.67 | $118.30 | $124.80 | +6.30% | 2,010 |
| Feb 2015 | $109.21 | $117.40 | $109.13 | $117.40 | +5.64% | 1,129 |
| Jan 2015 | $106.91 | $111.50 | $105.00 | $111.13 | +3.95% | 2,484 |
| Dec 2014 | $101.03 | $109.19 | $101.03 | $106.91 | +5.03% | 683 |
| Nov 2014 | $102.66 | $103.52 | $101.50 | $101.79 | +1.89% | 1,100 |
| Oct 2014 | $87.41 | $99.90 | $87.41 | $99.90 | +14.29% | 1,500 |
| Sep 2014 | $92.90 | $92.90 | $86.89 | $87.41 | -5.91% | 2,700 |
| Aug 2014 | $90.38 | $92.90 | $89.81 | $92.90 | +2.80% | 1,000 |
| Jul 2014 | $103.71 | $104.90 | $90.37 | $90.37 | -11.60% | 3,300 |
| Jun 2014 | $99.73 | $103.68 | $99.73 | $102.23 | +0.99% | 1,200 |
| May 2014 | $101.27 | $104.51 | $98.12 | $101.23 | -0.04% | 5,000 |
| Apr 2014 | $99.62 | $105.22 | $96.25 | $101.27 | +1.66% | 8,500 |
| Mar 2014 | $97.00 | $99.94 | $96.93 | $99.62 | +1.66% | 4,100 |
| Feb 2014 | $94.15 | $97.99 | $90.51 | $97.99 | +2.51% | 2,000 |
| Jan 2014 | $95.86 | $98.62 | $92.68 | $95.59 | -1.08% | 2,600 |
| Dec 2013 | $95.11 | $96.63 | $92.72 | $96.63 | +0.47% | 1,500 |
| Nov 2013 | $94.26 | $97.15 | $93.89 | $96.18 | -0.07% | 1,500 |
| Oct 2013 | $94.14 | $96.77 | $91.15 | $96.25 | +1.70% | 2,100 |
| Sep 2013 | $90.00 | $94.64 | $88.65 | $94.64 | +4.01% | 1,900 |
| Aug 2013 | $95.00 | $97.26 | $88.00 | $90.99 | -2.74% | 3,900 |
| Jul 2013 | $84.02 | $93.91 | $84.02 | $93.55 | +13.26% | 2,300 |
| Jun 2013 | $86.95 | $87.15 | $81.33 | $82.60 | -5.00% | 2,600 |
| May 2013 | $83.55 | $89.48 | $82.71 | $86.95 | +3.32% | 1,900 |
| Apr 2013 | $83.36 | $84.16 | $78.19 | $84.16 | +0.53% | 4,700 |
| Mar 2013 | $78.79 | $84.38 | $78.79 | $83.72 | +6.26% | 2,000 |
| Feb 2013 | $76.77 | $81.50 | $74.50 | $78.79 | +2.63% | 5,800 |
| Jan 2013 | $76.84 | $77.60 | $74.68 | $76.77 | +3.02% | 1,900 |
| Dec 2012 | $71.93 | $75.13 | $71.78 | $74.52 | +3.60% | 2,400 |
| Nov 2012 | $70.13 | $72.85 | $70.00 | $71.93 | +4.04% | 1,900 |
| Oct 2012 | $76.93 | $80.00 | $67.00 | $69.14 | -9.80% | 3,600 |
| Sep 2012 | $75.27 | $79.41 | $75.27 | $76.65 | +1.83% | 1,000 |
| Aug 2012 | $67.54 | $76.50 | $67.54 | $75.27 | +11.45% | 2,100 |
| Jul 2012 | $72.95 | $78.79 | $65.79 | $67.54 | -4.20% | 2,900 |
| Jun 2012 | $70.50 | $80.38 | $70.50 | $70.50 | 0.00% | 3,700 |
| May 2012 | $72.41 | $74.00 | $67.50 | $70.50 | -2.89% | 1,200 |
| Apr 2012 | $73.50 | $73.75 | $69.55 | $72.60 | -1.22% | 2,000 |
| Mar 2012 | $72.50 | $74.00 | $70.95 | $73.50 | +2.44% | 3,000 |
| Feb 2012 | $69.48 | $73.10 | $69.48 | $71.75 | +3.27% | 2,800 |
| Jan 2012 | $68.00 | $70.00 | $67.00 | $69.48 | +4.36% | 1,200 |
| Dec 2011 | $63.26 | $66.58 | $63.21 | $66.58 | +5.25% | 1,100 |
| Nov 2011 | $60.00 | $64.44 | $58.55 | $63.26 | +1.44% | 2,700 |
| Oct 2011 | $51.89 | $64.09 | $50.84 | $62.36 | +19.35% | 6,800 |
| Sep 2011 | $58.30 | $58.74 | $52.00 | $52.25 | -12.32% | 5,500 |
| Aug 2011 | $59.53 | $61.06 | $52.50 | $59.59 | +0.10% | 5,200 |
| Jul 2011 | $68.10 | $68.10 | $58.55 | $59.53 | -12.58% | 4,200 |
| Jun 2011 | $66.30 | $68.10 | $62.96 | $68.10 | +2.14% | 1,300 |
| May 2011 | $69.50 | $69.50 | $64.97 | $66.67 | -5.63% | 2,500 |
| Apr 2011 | $70.28 | $73.00 | $69.59 | $70.65 | +2.39% | 6,800 |
| Mar 2011 | $63.37 | $69.00 | $63.00 | $69.00 | +6.94% | 1,800 |
| Feb 2011 | $64.00 | $66.00 | $63.91 | $64.52 | +2.41% | 1,200 |
| Jan 2011 | $64.11 | $64.50 | $59.00 | $63.00 | -1.73% | 2,100 |
| Dec 2010 | $60.29 | $65.26 | $60.29 | $64.11 | +6.34% | 1,500 |
| Nov 2010 | $56.50 | $61.00 | $56.50 | $60.29 | +9.62% | 1,600 |
| Oct 2010 | $56.50 | $58.00 | $52.55 | $55.00 | -0.90% | 3,300 |
| Sep 2010 | $52.50 | $57.50 | $52.00 | $55.50 | +8.00% | 1,300 |
| Aug 2010 | $56.15 | $56.62 | $51.00 | $51.39 | -8.48% | 3,200 |
| Jul 2010 | $57.00 | $60.99 | $54.70 | $56.15 | -3.19% | 5,500 |
| Jun 2010 | $57.50 | $59.34 | $54.38 | $58.00 | -1.69% | 3,800 |
| May 2010 | $60.42 | $60.42 | $52.09 | $59.00 | -2.35% | 5,900 |
| Apr 2010 | $57.25 | $63.99 | $57.25 | $60.42 | +5.54% | 2,500 |
| Mar 2010 | $59.00 | $59.00 | $56.92 | $57.25 | -0.57% | 2,200 |
| Feb 2010 | $47.94 | $57.58 | $47.70 | $57.58 | +18.23% | 4,100 |
| Jan 2010 | $49.70 | $51.18 | $48.00 | $48.70 | -2.01% | 3,700 |
| Dec 2009 | $50.50 | $52.06 | $48.93 | $49.70 | +0.40% | 3,300 |
| Nov 2009 | $51.86 | $52.49 | $49.38 | $49.50 | -3.53% | 3,800 |
| Oct 2009 | $53.27 | $53.81 | $50.96 | $51.31 | -6.81% | 5,000 |
| Sep 2009 | $52.79 | $56.95 | $51.50 | $55.06 | +4.74% | 5,400 |
| Aug 2009 | $52.30 | $54.50 | $51.75 | $52.57 | +0.52% | 2,900 |
| Jul 2009 | $48.62 | $52.30 | $43.91 | $52.30 | +7.57% | 8,400 |
| Jun 2009 | $49.50 | $53.00 | $45.56 | $48.62 | -0.27% | 9,600 |
| May 2009 | $42.70 | $50.86 | $42.35 | $48.75 | +13.21% | 14,500 |
| Apr 2009 | $33.66 | $43.06 | $33.66 | $43.06 | +24.56% | 6,600 |
| Mar 2009 | $34.00 | $36.00 | $30.99 | $34.57 | +0.79% | 33,200 |
| Feb 2009 | $33.55 | $36.87 | $30.80 | $34.30 | +3.94% | 37,600 |
| Jan 2009 | $39.75 | $39.75 | $33.00 | $33.00 | -14.08% | 22,000 |
| Dec 2008 | $37.04 | $40.00 | $34.75 | $38.41 | -1.23% | 28,500 |
| Nov 2008 | $41.31 | $41.31 | $30.00 | $38.89 | -2.77% | 26,600 |
| Oct 2008 | $49.20 | $49.20 | $32.92 | $40.00 | -20.57% | 49,000 |
| Sep 2008 | $51.45 | $60.00 | $46.50 | $50.36 | -1.18% | 16,200 |
| Aug 2008 | $50.18 | $51.55 | $47.55 | $50.96 | +1.55% | 8,500 |
| Jul 2008 | $42.37 | $51.00 | $39.67 | $50.18 | +19.79% | 26,800 |
| Jun 2008 | $45.25 | $45.90 | $40.55 | $41.89 | -9.43% | 7,400 |
| May 2008 | $45.40 | $46.25 | $42.20 | $46.25 | +1.87% | 3,500 |
| Apr 2008 | $42.50 | $48.25 | $39.30 | $45.40 | +9.40% | 8,800 |
| Mar 2008 | $38.01 | $44.50 | $37.25 | $41.50 | +9.18% | 8,300 |
| Feb 2008 | $37.04 | $39.15 | $34.19 | $38.01 | +2.62% | 9,600 |
| Jan 2008 | $35.43 | $37.04 | $30.49 | $37.04 | +1.67% | 11,400 |
| Dec 2007 | $36.50 | $40.21 | $32.79 | $36.43 | -0.19% | 21,700 |
| Nov 2007 | $40.55 | $41.50 | $36.37 | $36.50 | -12.15% | 6,700 |
| Oct 2007 | $45.72 | $45.72 | $40.44 | $41.55 | -10.49% | 27,000 |
| Sep 2007 | $48.66 | $50.15 | $46.42 | $46.42 | -3.59% | 2,700 |
| Aug 2007 | $50.25 | $52.50 | $44.55 | $48.15 | -4.18% | 10,700 |
| Jul 2007 | $55.00 | $58.33 | $50.13 | $50.25 | -8.00% | 6,500 |
| Jun 2007 | $64.37 | $64.37 | $54.13 | $54.62 | -13.83% | 6,200 |
| May 2007 | $53.00 | $63.74 | $53.00 | $63.39 | +17.28% | 5,700 |
| Apr 2007 | $51.14 | $54.34 | $48.71 | $54.05 | +5.69% | 7,000 |
| Mar 2007 | $50.00 | $51.50 | $48.59 | $51.14 | +1.87% | 5,200 |
| Feb 2007 | $51.68 | $53.50 | $50.20 | $50.20 | -0.89% | 7,500 |
| Jan 2007 | $47.72 | $50.65 | $45.85 | $50.65 | +6.88% | 8,500 |
| Dec 2006 | $51.60 | $51.95 | $46.92 | $47.39 | -9.01% | 2,900 |
| Nov 2006 | $49.65 | $53.53 | $47.70 | $52.08 | +4.33% | 4,600 |
| Oct 2006 | $47.00 | $51.48 | $45.34 | $49.92 | +8.31% | 10,400 |
| Sep 2006 | $43.83 | $46.95 | $42.83 | $46.09 | +3.57% | 11,600 |
| Aug 2006 | $44.41 | $46.50 | $42.39 | $44.50 | -0.60% | 11,600 |
| Jul 2006 | $60.50 | $60.50 | $44.00 | $44.77 | -26.00% | 12,300 |
| Jun 2006 | $56.67 | $60.50 | $53.15 | $60.50 | +8.04% | 11,000 |
| May 2006 | $64.50 | $67.00 | $55.00 | $56.00 | -12.40% | 16,900 |
| Apr 2006 | $72.51 | $73.00 | $63.25 | $63.93 | -8.67% | 21,400 |
| Mar 2006 | $71.15 | $72.00 | $68.50 | $70.00 | -0.99% | 4,200 |
| Feb 2006 | $70.80 | $73.05 | $67.75 | $70.70 | +0.08% | 7,000 |
| Jan 2006 | $60.93 | $71.25 | $60.93 | $70.64 | +17.73% | 6,600 |
| Dec 2005 | $63.51 | $67.86 | $58.77 | $60.00 | -4.00% | 8,100 |
| Nov 2005 | $56.90 | $62.50 | $56.21 | $62.50 | +11.61% | 2,300 |
| Oct 2005 | $52.60 | $56.61 | $50.00 | $56.00 | +6.46% | 5,000 |
| Sep 2005 | $48.75 | $52.60 | $48.75 | $52.60 | +8.90% | 6,500 |
| Aug 2005 | $47.75 | $48.74 | $45.00 | $48.30 | +1.15% | 7,200 |
| Jul 2005 | $43.25 | $47.75 | $41.75 | $47.75 | +10.40% | 3,000 |
| Jun 2005 | $44.10 | $44.75 | $43.10 | $43.25 | -1.93% | 2,200 |
| May 2005 | $43.85 | $45.55 | $43.85 | $44.10 | +1.97% | 13,300 |
| Apr 2005 | $42.00 | $45.00 | $40.50 | $43.25 | +2.37% | 5,200 |
| Mar 2005 | $38.25 | $42.25 | $38.25 | $42.25 | +11.18% | 4,400 |
| Feb 2005 | $35.00 | $39.10 | $35.00 | $38.00 | +8.57% | 8,900 |
| Jan 2005 | $34.55 | $36.60 | $33.50 | $35.00 | +1.42% | 6,200 |
| Dec 2004 | $34.25 | $34.51 | $32.50 | $34.51 | +4.26% | 3,900 |
| Nov 2004 | $28.40 | $33.25 | $28.40 | $33.10 | +16.55% | 13,100 |
| Oct 2004 | $30.00 | $31.30 | $28.10 | $28.40 | -5.33% | 24,300 |
| Sep 2004 | $28.90 | $30.20 | $28.90 | $30.00 | +3.81% | 7,000 |
| Aug 2004 | $29.00 | $29.48 | $27.84 | $28.90 | -1.20% | 11,500 |
| Jul 2004 | $29.00 | $29.55 | $26.50 | $29.25 | +0.86% | 8,700 |
| Jun 2004 | $26.40 | $29.00 | $26.00 | $29.00 | +10.69% | 11,400 |
| May 2004 | $29.00 | $29.00 | $25.40 | $26.20 | -11.49% | 2,100 |
| Apr 2004 | $29.39 | $30.10 | $27.25 | $29.60 | +0.71% | 15,800 |
| Mar 2004 | $27.57 | $29.39 | $27.57 | $29.39 | +6.91% | 4,000 |
| Feb 2004 | $23.24 | $27.49 | $23.00 | $27.49 | +18.29% | 9,600 |
| Jan 2004 | $23.30 | $23.30 | $22.50 | $23.24 | +1.04% | 2,400 |
| Dec 2003 | $23.50 | $24.00 | $21.80 | $23.00 | -0.43% | 9,500 |
| Nov 2003 | $22.00 | $23.10 | $21.90 | $23.10 | +7.44% | 7,100 |
| Oct 2003 | $19.00 | $21.50 | $19.00 | $21.50 | +13.16% | 4,500 |
| Sep 2003 | $19.00 | $20.10 | $19.00 | $19.00 | +2.70% | 6,000 |
| Aug 2003 | $17.80 | $18.50 | $16.60 | $18.50 | +4.88% | 20,500 |
| Jul 2003 | $15.80 | $17.75 | $15.80 | $17.64 | +11.65% | 2,700 |
| Jun 2003 | $15.75 | $15.80 | $15.40 | $15.80 | +0.32% | 10,100 |
| May 2003 | $15.45 | $15.75 | $14.78 | $15.75 | +1.94% | 22,600 |
| Apr 2003 | $14.25 | $15.45 | $13.50 | $15.45 | +11.96% | 18,700 |
| Mar 2003 | $14.40 | $14.60 | $12.00 | $13.80 | -4.17% | 29,600 |
| Feb 2003 | $15.50 | $15.75 | $14.40 | $14.40 | -7.10% | 1,200 |
| Jan 2003 | $16.60 | $17.21 | $15.25 | $15.50 | -6.63% | 3,800 |
| Dec 2002 | $16.00 | $17.00 | $15.50 | $16.60 | +3.75% | 2,200 |
| Nov 2002 | $15.90 | $16.00 | $15.37 | $16.00 | +0.63% | 3,000 |
| Oct 2002 | $14.00 | $15.90 | $14.00 | $15.90 | +13.57% | 5,800 |
| Sep 2002 | $16.20 | $16.20 | $14.00 | $14.00 | -13.58% | 26,500 |
| Aug 2002 | $13.90 | $16.20 | $13.50 | $16.20 | +15.71% | 2,000 |
| Jul 2002 | $18.60 | $18.60 | $13.50 | $14.00 | -24.73% | 7,500 |
| Jun 2002 | $17.60 | $18.69 | $17.50 | $18.60 | +5.68% | 3,000 |
| May 2002 | $17.90 | $19.50 | $16.85 | $17.60 | -1.68% | 2,300 |
| Apr 2002 | $18.00 | $18.30 | $17.00 | $17.90 | -0.56% | 7,600 |
| Mar 2002 | $15.10 | $18.50 | $15.10 | $18.00 | +19.21% | 6,900 |
| Feb 2002 | $14.70 | $15.10 | $14.00 | $15.10 | +2.72% | 16,100 |
| Jan 2002 | $14.10 | $14.70 | $14.10 | $14.70 | +4.26% | 900 |
| Dec 2001 | $13.00 | $14.35 | $13.00 | $14.10 | +8.46% | 12,900 |
| Nov 2001 | $13.10 | $13.10 | $11.25 | $13.00 | -0.76% | 16,800 |
| Oct 2001 | $13.00 | $13.10 | $11.75 | $13.10 | +0.77% | 3,600 |
| Sep 2001 | $14.30 | $14.30 | $11.00 | $13.00 | -9.09% | 2,500 |
| Aug 2001 | $14.20 | $14.30 | $13.30 | $14.30 | +0.70% | 2,900 |
| Jul 2001 | $14.20 | $14.20 | $13.10 | $14.20 | +4.80% | 2,900 |
| Jun 2001 | $13.80 | $14.30 | $12.75 | $13.55 | -4.24% | 2,200 |
| May 2001 | $12.91 | $14.30 | $12.50 | $14.15 | +9.10% | 51,100 |
| Apr 2001 | $11.60 | $13.60 | $11.26 | $12.97 | +11.81% | 5,600 |
| Mar 2001 | $13.00 | $13.00 | $11.20 | $11.60 | -10.77% | 16,100 |
| Feb 2001 | $11.75 | $13.00 | $11.75 | $13.00 | +12.07% | 5,600 |
| Jan 2001 | $11.25 | $13.75 | $11.00 | $11.60 | +3.11% | 23,400 |
| Dec 2000 | $10.69 | $11.81 | $10.63 | $11.25 | +7.78% | 8,400 |
| Nov 2000 | $9.31 | $10.44 | $9.25 | $10.44 | +14.38% | 20,600 |
| Oct 2000 | $10.38 | $10.63 | $8.56 | $9.13 | -12.05% | 73,800 |
| Sep 2000 | $12.50 | $12.94 | $10.00 | $10.38 | -17.82% | 39,200 |
| Aug 2000 | $13.63 | $13.63 | $12.38 | $12.63 | -7.34% | 12,500 |
| Jul 2000 | $13.31 | $13.63 | $13.06 | $13.63 | +2.35% | 7,700 |
| Jun 2000 | $14.75 | $14.75 | $12.75 | $13.31 | -9.75% | 3,400 |
| May 2000 | $13.88 | $15.94 | $12.50 | $14.75 | +6.31% | 8,000 |
| Apr 2000 | $10.75 | $13.88 | $10.50 | $13.88 | +33.73% | 4,600 |
| Mar 2000 | $8.94 | $10.38 | $8.94 | $10.38 | +16.08% | 1,700 |
| Feb 2000 | $11.75 | $11.75 | $8.75 | $8.94 | -23.94% | 9,800 |
| Jan 2000 | $11.25 | $12.81 | $11.25 | $11.75 | +4.44% | 4,300 |
| Dec 1999 | $11.63 | $11.63 | $9.75 | $11.25 | -3.23% | 30,600 |
| Nov 1999 | $10.25 | $12.88 | $10.25 | $11.63 | +13.41% | 4,200 |
| Oct 1999 | $11.25 | $11.63 | $10.00 | $10.25 | -1.20% | 18,600 |
| Sep 1999 | $14.88 | $14.88 | $10.31 | $10.38 | -30.25% | 23,800 |
| Aug 1999 | $14.50 | $15.81 | $14.50 | $14.88 | +2.59% | 1,800 |
| Jul 1999 | $15.75 | $17.06 | $14.25 | $14.50 | -7.94% | 20,900 |
| Jun 1999 | $19.00 | $19.00 | $15.75 | $15.75 | -17.11% | 4,100 |
| May 1999 | $19.75 | $19.75 | $18.75 | $19.00 | -3.80% | 2,100 |
| Apr 1999 | $14.50 | $19.75 | $14.25 | $19.75 | +41.07% | 22,500 |
| Mar 1999 | $13.50 | $15.13 | $13.13 | $14.00 | +3.70% | 18,800 |
| Feb 1999 | $16.25 | $16.25 | $13.25 | $13.50 | -16.92% | 3,900 |
| Jan 1999 | $16.00 | $18.19 | $16.00 | $16.25 | +1.56% | 1,000 |
| Dec 1998 | $18.88 | $18.88 | $16.00 | $16.00 | -15.23% | 1,000 |
| Nov 1998 | $16.94 | $19.50 | $16.94 | $18.88 | +11.44% | 2,000 |
| Oct 1998 | $14.50 | $17.00 | $14.00 | $16.94 | +11.07% | 10,700 |
| Sep 1998 | $14.75 | $16.25 | $12.00 | $15.25 | +8.93% | 11,700 |
| Aug 1998 | $22.00 | $22.00 | $14.00 | $14.00 | -36.36% | 15,900 |
| Jul 1998 | $23.42 | $23.42 | $22.00 | $22.00 | -6.05% | 4,200 |
| Jun 1998 | $20.17 | $23.42 | $19.33 | $23.42 | +16.12% | 10,200 |
| May 1998 | $19.71 | $20.17 | $19.67 | $20.17 | +4.09% | 7,500 |
| Apr 1998 | $18.67 | $19.38 | $18.63 | $19.38 | +3.79% | 23,700 |
| Mar 1998 | $18.83 | $19.92 | $18.17 | $18.67 | -0.88% | 13,650 |
| Feb 1998 | $16.17 | $18.83 | $16.17 | $18.83 | +16.49% | 4,350 |
| Jan 1998 | $16.33 | $17.25 | $16.17 | $16.17 | -1.02% | 2,400 |
| Dec 1997 | $16.75 | $18.00 | $16.33 | $16.33 | -2.49% | 1,800 |
| Nov 1997 | $17.00 | $17.33 | $16.00 | $16.75 | -1.47% | 5,700 |
| Oct 1997 | $20.25 | $20.25 | $16.67 | $17.00 | -16.05% | 3,150 |
| Sep 1997 | $18.67 | $20.67 | $18.67 | $20.25 | +8.48% | 13,200 |
| Aug 1997 | $20.25 | $20.25 | $18.58 | $18.67 | -2.61% | 4,350 |
| Jul 1997 | $16.33 | $19.67 | $16.33 | $19.17 | +15.00% | 9,000 |
| Jun 1997 | $18.83 | $18.83 | $15.67 | $16.67 | -11.50% | 9,000 |
| May 1997 | $16.83 | $18.83 | $15.83 | $18.83 | +16.49% | 32,100 |
| Apr 1997 | $17.50 | $18.17 | $16.17 | $16.17 | -7.62% | 5,700 |
| Mar 1997 | $19.50 | $19.50 | $16.67 | $17.50 | -11.02% | 46,950 |
| Feb 1997 | $21.17 | $21.17 | $19.67 | $19.67 | -7.09% | 4,800 |
| Jan 1997 | $18.33 | $22.67 | $17.00 | $21.17 | +15.45% | 48,300 |
| Dec 1996 | $16.92 | $18.83 | $16.92 | $18.33 | +8.37% | 60,300 |
| Nov 1996 | $12.75 | $16.92 | $12.58 | $16.92 | +32.68% | 118,800 |
| Oct 1996 | $13.83 | $13.83 | $12.75 | $12.75 | -6.13% | 11,700 |
| Sep 1996 | $13.33 | $13.58 | $12.25 | $13.58 | +1.88% | 129,600 |
| Aug 1996 | $11.00 | $13.83 | $11.00 | $13.33 | +22.14% | 8,100 |
| Jul 1996 | $13.50 | $14.58 | $10.50 | $10.92 | -19.14% | 30,600 |
| Jun 1996 | $13.17 | $13.50 | $12.83 | $13.50 | +2.97% | 6,300 |
| May 1996 | $12.50 | $13.44 | $12.50 | $13.11 | +3.96% | 47,250 |
| Apr 1996 | $11.22 | $12.72 | $11.22 | $12.61 | +12.38% | 70,650 |
| Mar 1996 | $9.56 | $11.22 | $9.56 | $11.22 | +17.44% | 19,575 |
| Feb 1996 | $7.50 | $9.78 | $7.39 | $9.56 | +30.30% | 40,950 |
| Jan 1996 | $8.00 | $8.22 | $7.33 | $7.33 | -5.71% | 14,175 |
| Dec 1995 | $7.28 | $7.78 | $7.28 | $7.78 | +6.87% | 1,125 |
| Nov 1995 | $7.28 | $7.28 | $7.11 | $7.28 | -0.76% | 7,650 |
| Oct 1995 | $7.39 | $7.39 | $7.33 | $7.33 | -0.75% | 225 |
| Sep 1995 | $6.61 | $7.44 | $6.61 | $7.39 | +13.68% | 31,725 |
| Aug 1995 | $6.22 | $6.83 | $6.17 | $6.50 | +4.46% | 3,600 |
| Jul 1995 | $5.67 | $6.22 | $5.67 | $6.22 | +9.80% | 4,950 |
| Jun 1995 | $5.78 | $6.00 | $5.67 | $5.67 | -1.92% | 7,200 |
| May 1995 | $5.44 | $5.78 | $5.44 | $5.78 | +4.70% | 3,038 |
| Apr 1995 | $5.19 | $5.59 | $5.15 | $5.52 | +7.97% | 5,063 |
| Mar 1995 | $4.78 | $5.19 | $4.78 | $5.11 | +8.66% | 20,929 |
| Feb 1995 | $4.70 | $4.74 | $4.70 | $4.70 | 0.00% | 4,051 |
| Jan 1995 | $4.85 | $4.85 | $4.70 | $4.70 | -3.79% | 4,726 |
| Dec 1994 | $4.70 | $4.89 | $4.70 | $4.89 | +3.94% | 10,125 |
| Nov 1994 | $4.85 | $4.85 | $4.56 | $4.70 | -3.05% | 41,177 |
| Oct 1994 | $4.63 | $4.85 | $4.56 | $4.85 | +4.80% | 4,052 |
| Sep 1994 | $4.67 | $4.78 | $4.59 | $4.63 | -0.79% | 10,465 |
| Aug 1994 | $4.89 | $4.93 | $4.67 | $4.67 | -4.54% | 17,215 |
| Jul 1994 | $4.93 | $4.93 | $4.70 | $4.89 | -0.75% | 4,052 |
| Jun 1994 | $4.74 | $5.00 | $4.74 | $4.93 | +3.91% | 15,864 |
| May 1994 | $4.70 | $4.93 | $4.70 | $4.74 | +0.79% | 24,303 |
| Apr 1994 | $4.37 | $4.74 | $4.37 | $4.70 | +8.55% | 90,790 |
| Mar 1994 | $4.37 | $4.56 | $4.30 | $4.33 | 0.00% | 26,668 |
| Feb 1994 | $4.26 | $4.33 | $4.22 | $4.33 | +1.74% | 22,615 |
| Jan 1994 | $3.85 | $4.37 | $3.85 | $4.26 | +10.58% | 38,140 |
| Dec 1993 | $3.89 | $3.96 | $3.85 | $3.85 | -0.95% | 20,589 |
| Nov 1993 | $3.74 | $3.93 | $3.74 | $3.89 | +6.06% | 27,002 |
| Oct 1993 | $4.33 | $4.41 | $3.67 | $3.67 | -15.38% | 25,989 |
| Sep 1993 | $4.33 | $4.52 | $4.30 | $4.33 | 0.00% | 36,790 |
| Aug 1993 | $4.56 | $4.56 | $4.15 | $4.33 | -4.88% | 32,401 |
| Jul 1993 | $4.30 | $4.96 | $4.30 | $4.56 | +6.04% | 65,479 |
| Jun 1993 | $4.41 | $4.41 | $4.30 | $4.30 | -4.13% | 10,128 |
| May 1993 | $4.59 | $4.67 | $4.41 | $4.48 | -0.82% | 10,465 |
| Apr 1993 | $4.00 | $4.67 | $3.96 | $4.52 | +12.96% | 144,456 |
| Mar 1993 | $3.63 | $4.11 | $3.44 | $4.00 | +10.20% | 86,402 |
| Feb 1993 | $3.96 | $4.00 | $3.59 | $3.63 | -8.41% | 70,541 |
| Jan 1993 | $3.59 | $3.96 | $3.48 | $3.96 | +10.31% | 165,379 |
| Dec 1992 | $3.78 | $3.81 | $3.56 | $3.59 | -4.90% | 60,079 |
| Nov 1992 | $3.52 | $3.78 | $3.41 | $3.78 | +8.51% | 174,828 |
| Oct 1992 | $3.37 | $3.67 | $3.26 | $3.48 | +3.30% | 124,541 |
| Sep 1992 | $3.04 | $3.78 | $3.04 | $3.37 | +13.75% | 212,630 |
| Aug 1992 | $2.85 | $2.96 | $2.78 | $2.96 | +3.90% | 66,828 |
| Jul 1992 | $2.81 | $2.93 | $2.74 | $2.85 | +1.32% | 56,029 |
| Jun 1992 | $3.04 | $3.07 | $2.81 | $2.81 | -9.52% | 33,753 |
| May 1992 | $3.00 | $3.19 | $2.93 | $3.11 | +6.33% | 98,555 |
| Apr 1992 | $2.96 | $3.22 | $2.85 | $2.93 | +1.28% | 53,665 |
| Mar 1992 | $2.78 | $2.93 | $2.70 | $2.89 | +5.41% | 475,873 |
| Feb 1992 | $3.70 | $3.70 | $2.70 | $2.74 | -27.45% | 104,625 |
| Jan 1992 | $4.11 | $4.11 | $3.78 | $3.78 | -9.73% | 61,089 |
| Dec 1991 | $3.93 | $4.19 | $3.93 | $4.19 | +7.62% | 55,688 |
| Nov 1991 | $4.22 | $4.22 | $3.85 | $3.89 | -9.48% | 20,926 |
| Oct 1991 | $4.15 | $4.41 | $3.85 | $4.30 | +4.50% | 43,876 |
| Sep 1991 | $4.26 | $4.26 | $4.00 | $4.11 | -3.48% | 22,614 |
| Aug 1991 | $3.56 | $4.26 | $3.56 | $4.26 | +19.79% | 39,150 |
| Jul 1991 | $3.52 | $3.59 | $3.37 | $3.56 | 0.00% | 20,249 |
| Jun 1991 | $3.44 | $3.59 | $3.37 | $3.56 | +3.23% | 39,488 |
| May 1991 | $3.48 | $3.59 | $3.33 | $3.44 | -1.07% | 51,638 |
| Apr 1991 | $3.63 | $3.63 | $3.48 | $3.48 | -4.08% | 6,750 |
| Mar 1991 | $3.78 | $3.78 | $3.41 | $3.63 | -5.77% | 74,925 |
| Feb 1991 | $3.85 | $3.93 | $3.70 | $3.85 | +0.97% | 25,313 |
| Jan 1991 | $3.56 | $3.93 | $3.48 | $3.81 | +7.30% | 29,023 |
| Dec 1990 | $3.52 | $3.74 | $3.52 | $3.56 | +1.05% | 33,074 |
| Nov 1990 | $3.56 | $3.74 | $3.52 | $3.52 | 0.00% | 17,887 |
| Oct 1990 | $3.48 | $3.52 | $3.37 | $3.52 | +1.07% | 17,888 |
| Sep 1990 | $3.67 | $3.70 | $3.33 | $3.48 | -5.05% | 87,748 |
| Aug 1990 | $3.78 | $3.78 | $3.26 | $3.67 | -2.94% | 74,585 |
| Jul 1990 | $3.70 | $3.85 | $3.59 | $3.78 | +2.00% | 35,773 |
| Jun 1990 | $3.19 | $3.81 | $3.19 | $3.70 | +16.28% | 97,198 |
| May 1990 | $2.81 | $3.22 | $2.78 | $3.19 | +13.16% | 42,189 |
| Apr 1990 | $2.85 | $2.89 | $2.74 | $2.81 | -2.56% | 34,088 |
| Mar 1990 | $2.67 | $2.93 | $2.67 | $2.89 | +6.85% | 59,065 |
| Feb 1990 | $2.74 | $2.78 | $2.70 | $2.70 | 0.00% | 4,388 |
| Jan 1990 | $2.78 | $2.78 | $2.63 | $2.70 | -2.66% | 24,637 |
| Dec 1989 | $2.85 | $2.89 | $2.74 | $2.78 | -2.59% | 34,425 |
| Nov 1989 | $2.93 | $2.93 | $2.81 | $2.85 | -2.53% | 38,136 |
| Oct 1989 | $2.85 | $2.93 | $2.63 | $2.93 | +2.60% | 33,414 |
| Sep 1989 | $2.85 | $3.19 | $2.85 | $2.85 | +1.31% | 57,376 |
| Aug 1989 | $2.85 | $2.89 | $2.70 | $2.81 | -1.30% | 64,463 |
| Jul 1989 | $2.56 | $2.96 | $2.56 | $2.85 | +11.59% | 91,801 |
| Jun 1989 | $2.44 | $2.56 | $2.37 | $2.56 | +4.55% | 33,412 |
| May 1989 | $2.56 | $2.59 | $2.44 | $2.44 | -4.35% | 59,399 |
| Apr 1989 | $2.26 | $2.59 | $2.22 | $2.56 | +11.30% | 89,101 |
| Mar 1989 | $2.26 | $2.48 | $2.22 | $2.30 | +1.63% | 71,212 |
| Feb 1989 | $2.56 | $2.56 | $2.26 | $2.26 | -12.86% | 51,978 |
| Jan 1989 | $1.96 | $2.59 | $1.93 | $2.59 | +32.07% | 66,149 |
| Dec 1988 | $1.93 | $2.04 | $1.89 | $1.96 | +1.93% | 14,850 |
| Nov 1988 | $1.85 | $2.04 | $1.74 | $1.93 | +4.00% | 79,988 |
| Oct 1988 | $1.96 | $1.96 | $1.78 | $1.85 | -5.66% | 34,086 |
| Sep 1988 | $2.04 | $2.07 | $1.96 | $1.96 | -3.63% | 32,062 |
| Aug 1988 | $2.15 | $2.19 | $1.96 | $2.04 | -5.18% | 32,399 |
| Jul 1988 | $2.30 | $2.30 | $2.15 | $2.15 | -6.45% | 7,087 |
| Jun 1988 | $2.26 | $2.37 | $2.22 | $2.30 | +1.63% | 57,376 |
| May 1988 | $2.30 | $2.48 | $2.26 | $2.26 | -1.61% | 18,226 |
| Apr 1988 | $2.26 | $2.44 | $2.22 | $2.30 | +3.33% | 56,699 |
| Mar 1988 | $2.30 | $2.33 | $2.22 | $2.22 | -1.64% | 18,900 |
| Feb 1988 | $2.19 | $2.37 | $2.04 | $2.26 | +3.39% | 53,323 |
| Jan 1988 | $1.89 | $2.30 | $1.89 | $2.19 | +18.00% | 91,464 |
| Dec 1987 | $2.00 | $2.00 | $1.78 | $1.85 | -7.40% | 191,363 |
| Nov 1987 | $2.15 | $2.15 | $1.78 | $2.00 | -10.00% | 373,949 |
| Oct 1987 | $3.11 | $3.19 | $1.78 | $2.22 | -28.57% | 377,325 |
| Sep 1987 | $3.15 | $3.22 | $2.85 | $3.11 | -1.17% | 161,326 |
| Aug 1987 | $3.33 | $3.37 | $2.96 | $3.15 | -5.56% | 125,548 |
| Jul 1987 | $3.78 | $3.85 | $2.81 | $3.33 | -12.62% | 207,898 |
| Jun 1987 | $4.07 | $4.74 | $3.74 | $3.81 | -7.20% | 404,326 |
| May 1987 | $2.81 | $4.44 | $2.67 | $4.11 | +46.05% | 1,163,023 |
| Apr 1987 | $2.81 | $2.89 | $2.59 | $2.81 | -1.30% | 29,024 |
| Mar 1987 | $2.56 | $2.89 | $2.52 | $2.85 | +11.59% | 43,200 |
| Feb 1987 | $2.59 | $2.70 | $2.48 | $2.56 | -1.43% | 23,961 |
| Jan 1987 | $2.78 | $2.78 | $2.52 | $2.59 | -6.67% | 182,250 |
| Dec 1986 | $3.41 | $3.41 | $2.67 | $2.78 | -18.48% | 41,510 |
| Nov 1986 | $3.19 | $3.48 | $3.11 | $3.41 | +6.98% | 51,639 |
| Oct 1986 | $2.63 | $3.26 | $2.56 | $3.19 | +21.13% | 53,661 |
| Sep 1986 | $3.07 | $3.07 | $2.63 | $2.63 | -16.47% | 15,525 |
| Aug 1986 | $2.96 | $3.19 | $2.96 | $3.15 | +3.66% | 27,338 |
| Jul 1986 | $2.96 | $3.04 | $2.81 | $3.04 | +2.50% | 21,936 |
| Jun 1986 | $3.15 | $3.22 | $2.96 | $2.96 | -5.88% | 14,173 |
| May 1986 | $2.96 | $3.52 | $2.96 | $3.15 | +3.66% | 30,711 |
| Apr 1986 | $2.59 | $3.15 | $2.59 | $3.04 | +20.59% | 46,911 |
| Mar 1986 | $2.41 | $2.63 | $2.33 | $2.52 | +6.25% | 34,424 |
| Feb 1986 | $2.33 | $2.44 | $2.22 | $2.37 | +3.23% | 120,826 |
| Jan 1986 | $2.44 | $2.48 | $2.19 | $2.30 | -6.06% | 84,711 |
| Dec 1985 | $2.63 | $2.67 | $2.37 | $2.44 | -5.72% | 39,147 |
| Nov 1985 | $2.48 | $2.59 | $2.37 | $2.59 | +4.48% | 33,074 |
| Oct 1985 | $2.48 | $2.52 | $2.30 | $2.48 | 0.00% | 97,199 |
| Sep 1985 | $3.15 | $3.15 | $2.48 | $2.48 | -21.17% | 52,649 |
| Aug 1985 | $3.37 | $3.41 | $3.15 | $3.15 | -6.60% | 36,448 |
| Jul 1985 | $3.22 | $3.41 | $3.19 | $3.37 | +4.60% | 21,262 |
| Jun 1985 | $3.30 | $3.37 | $3.07 | $3.22 | -2.25% | 86,059 |
| May 1985 | $3.22 | $3.44 | $3.22 | $3.30 | +2.30% | 49,613 |
| Apr 1985 | $3.30 | $3.33 | $3.19 | $3.22 | -2.25% | 49,276 |
| Mar 1985 | $3.37 | $3.44 | $3.26 | $3.30 | -2.20% | 52,649 |
| Feb 1985 | $2.85 | $3.52 | $2.85 | $3.37 | +19.74% | 74,924 |
| Jan 1985 | $2.52 | $2.81 | $2.44 | $2.81 | +11.76% | 61,424 |
| Dec 1984 | $2.56 | $2.59 | $2.44 | $2.52 | -1.45% | 22,273 |
| Nov 1984 | $2.48 | $2.63 | $2.30 | $2.56 | +4.55% | 54,673 |
| Oct 1984 | $2.63 | $2.63 | $2.44 | $2.44 | -7.04% | 13,498 |
| Sep 1984 | $2.63 | $2.63 | $2.48 | $2.63 | 0.00% | 28,012 |
| Aug 1984 | $2.37 | $2.74 | $2.30 | $2.63 | +9.23% | 70,870 |
| Jul 1984 | $2.37 | $2.59 | $2.15 | $2.41 | 0.00% | 70,876 |
| Jun 1984 | $2.22 | $4.07 | $2.04 | $2.41 | +7.44% | 56,363 |
| May 1984 | $2.35 | $2.37 | $2.22 | $2.24 | -4.73% | 103,275 |
| Apr 1984 | $2.31 | $2.44 | $2.22 | $2.35 | +2.43% | 118,800 |
| Mar 1984 | $2.19 | $2.30 | $2.15 | $2.30 | +5.08% | 227,475 |
| Feb 1984 | $2.26 | $2.44 | $2.07 | $2.19 | -3.28% | 207,225 |
| Jan 1984 | $2.06 | $2.31 | $2.06 | $2.26 | +9.91% | 122,175 |
| Dec 1983 | $2.04 | $2.11 | $2.02 | $2.06 | +0.91% | 64,800 |
| Nov 1983 | $2.04 | $2.17 | $2.02 | $2.04 | +1.85% | 134,325 |
| Oct 1983 | $1.91 | $2.28 | $1.89 | $2.00 | +4.85% | 207,225 |
| Sep 1983 | $1.89 | $1.91 | $1.78 | $1.91 | +0.98% | 72,900 |
| Aug 1983 | $1.87 | $1.93 | $1.80 | $1.89 | 0.00% | 151,875 |
| Jul 1983 | $1.93 | $1.93 | $1.78 | $1.89 | -1.93% | 108,675 |
| Jun 1983 | $1.76 | $2.20 | $1.76 | $1.93 | +10.64% | 283,500 |
| May 1983 | $1.67 | $1.78 | $1.59 | $1.74 | +4.44% | 205,875 |
| Apr 1983 | $1.61 | $1.69 | $1.52 | $1.67 | +3.45% | 116,100 |
| Mar 1983 | $1.56 | $1.69 | $1.44 | $1.61 | +2.35% | 174,825 |
| Feb 1983 | $1.48 | $1.61 | $1.48 | $1.57 | +6.26% | 102,600 |
| Jan 1983 | $1.35 | $1.63 | $1.35 | $1.48 | +9.58% | 178,200 |
| Dec 1982 | $1.37 | $1.37 | $1.31 | $1.35 | -2.66% | 143,775 |
| Nov 1982 | $1.44 | $1.80 | $1.39 | $1.39 | -3.85% | 278,775 |
| Oct 1982 | $1.31 | $1.52 | $1.30 | $1.44 | +9.86% | 222,750 |
| Sep 1982 | $1.44 | $1.46 | $1.28 | $1.31 | -6.58% | 187,650 |
| Aug 1982 | $1.22 | $1.41 | $1.02 | $1.41 | +15.15% | 265,950 |
| Jul 1982 | $1.39 | $1.41 | $1.17 | $1.22 | -13.16% | 116,775 |
| Jun 1982 | $1.23 | $1.44 | $1.15 | $1.41 | +14.00% | 182,588 |
| May 1982 | $1.21 | $1.41 | $1.19 | $1.23 | +2.04% | 281,473 |
| Apr 1982 | $1.01 | $1.25 | $1.01 | $1.21 | +19.52% | 178,198 |
| Mar 1982 | $1.02 | $1.02 | $0.9383 | $1.01 | -2.38% | 43,535 |
| Feb 1982 | $1.02 | $1.05 | $1.02 | $1.04 | +1.20% | 46,575 |
| Jan 1982 | $1.00 | $1.11 | $0.9259 | $1.02 | 0.00% | 103,272 |
| Dec 1981 | $1.19 | $1.19 | $1.02 | $1.02 | -13.53% | 68,850 |
| Nov 1981 | $1.06 | $1.22 | $1.05 | $1.19 | +12.93% | 181,237 |
| Oct 1981 | $0.9506 | $1.25 | $0.9506 | $1.05 | +13.34% | 121,497 |
| Sep 1981 | $1.01 | $1.04 | $0.8519 | $0.9259 | -9.64% | 143,773 |
| Aug 1981 | $1.25 | $1.26 | $1.01 | $1.02 | -17.82% | 118,462 |
| Jul 1981 | $1.20 | $1.32 | $1.11 | $1.25 | +5.21% | 302,736 |
| Jun 1981 | $1.01 | $1.22 | $0.9136 | $1.19 | +15.65% | 507,264 |
| May 1981 | $0.963 | $1.02 | $0.8765 | $1.02 | +7.79% | 588,263 |
| Apr 1981 | $1.04 | $1.22 | $0.9506 | $0.9506 | -6.09% | 392,847 |
| Mar 1981 | $0.8519 | $1.01 | $0.8519 | $1.01 | +20.58% | 283,501 |
| Feb 1981 | $0.8765 | $0.9012 | $0.8395 | $0.8395 | -4.23% | 56,698 |
| Jan 1981 | $0.7901 | $0.9383 | $0.7901 | $0.8765 | +10.94% | 198,449 |
| Dec 1980 | $0.7901 | $0.8148 | $0.7654 | $0.7901 | -1.54% | 119,477 |
| Nov 1980 | $0.8272 | $0.8519 | $0.7407 | $0.8025 | -4.41% | 150,862 |
| Oct 1980 | $0.7161 | $0.8642 | $0.6914 | $0.8395 | +17.24% | 308,812 |
| Sep 1980 | $0.7037 | $0.7531 | $0.6667 | $0.7161 | +5.45% | 172,124 |
| Aug 1980 | $0.642 | $0.7284 | $0.6173 | $0.679 | +3.77% | 281,474 |
| Jul 1980 | $0.5556 | $0.6543 | $0.5556 | $0.6543 | +17.78% | 85,049 |
| Jun 1980 | $0.5679 | $0.5679 | $0.5432 | $0.5556 | -2.17% | 58,724 |
| May 1980 | $0.5556 | $0.5802 | $0.5556 | $0.5679 | +2.22% | 30,373 |
| Apr 1980 | $0.5432 | $0.5802 | $0.5185 | $0.5556 | +2.27% | 57,713 |
| Mar 1980 | $0.5679 | $0.5926 | $0.5185 | $0.5432 | – | 66,826 |
Seasonality
WSO.B return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 3.0% | -0.7% | 2.6% | 4.9% | -1.4% | 0.2% | 4.1% | 1.5% | -1.2% | -1.2% | 2.3% | -0.6% |
| Months up | 7 of 10 | 4 of 10 | 7 of 10 | 6 of 10 | 3 of 10 | 4 of 10 | 7 of 10 | 3 of 10 | 4 of 10 | 4 of 10 | 5 of 9 | 5 of 9 |
| 2026 | 15.9% | 7.7% | -12.1% | 23.3% | -10.3% | -13.3% | -7.3% | -1.8% | -1.6% | -7.5% | ||
| 2025 | -9.0% | 3.5% | 1.1% | -11.3% | 0.6% | -2.8% | 0.7% | -0.6% | -7.4% | -8.4% | -4.0% | -3.6% |
| 2024 | -6.9% | 0.0% | 9.9% | 4.3% | 0.0% | 0.0% | 11.1% | -1.4% | 2.0% | -4.3% | 13.6% | 0.0% |
| 2023 | 9.8% | 11.2% | 3.2% | 10.3% | -7.5% | 14.3% | 1.3% | 0.0% | -0.8% | 3.6% | 0.0% | 12.6% |
| 2022 | -8.4% | -7.1% | 19.7% | -6.4% | -10.2% | -5.9% | 0.9% | 25.1% | -10.0% | -2.4% | 4.5% | -9.0% |
| 2021 | 13.7% | -4.2% | 1.4% | 15.2% | -0.0% | 0.0% | 0.7% | -5.8% | -2.3% | 10.9% | 2.3% | 1.4% |
| 2020 | 0.1% | -15.3% | 2.5% | 5.0% | 8.0% | 1.8% | 34.2% | 2.5% | -4.1% | -2.9% | 1.2% | 2.6% |
| 2019 | 4.7% | 4.2% | -1.2% | 14.4% | 0.0% | 1.3% | -1.0% | 1.2% | 0.7% | 9.4% | -0.2% | 1.7% |
| 2018 | 7.2% | -5.5% | 6.0% | -4.8% | 7.8% | -3.7% | -0.8% | -0.1% | 2.0% | -15.6% | 3.6% | -12.0% |
| 2017 | 3.4% | -1.2% | -5.0% | -0.8% | -2.0% | 10.0% | 0.9% | -3.8% | 9.5% | 4.9% | -0.0% | 1.4% |