WM Options History — February 2026

In February 2026, WM traded between $222.97 and $240.71. ATM implied volatility averaged 19.6%, placing in the 24.5% IV rank vs the trailing year. The 30-day expected move averaged 5.6%. IV traded above realized volatility by 0.2% (HV 20d: 19.4%). Max pain ranged from $220.00 to $220.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 6 of 19 days. Put/call ratio averaged 0.68.

Notable Days

  • 2026-02-18: Highest Volume — 4,459 contracts
  • 2026-02-20: Largest IV drop — 9.3% change
  • 2026-02-19: Highest IV Rank — 28.9%
  • 2026-02-19: Largest Expected Move — 6.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$230.89$222.97$240.71$222.97$240.71
Max Pain$220.00$220.00$220.00$220.00$220.00
ATM IV19.6%17.9%21.3%18.5%20.6%
Expected Move5.6%5.3%6.1%5.3%5.9%
HV 20d19.4%17.7%20.7%19.8%17.7%
HV 60d16.8%15.6%17.4%17.2%17.3%
IV Rank24.5%20.8%28.9%22.6%26.9%
IV Percentile62.4%42.1%77.4%54.0%71.4%
Term Structure-0.4%-1.5%1.1%0.3%-0.0%
VWIV19.9%18.3%21.6%18.3%21.0%
Skew 25d2.6%1.7%3.9%2.1%2.1%
Skew 10d5.2%2.5%7.7%3.7%2.5%
Call IV 25d18.7%17.0%19.9%17.4%19.6%
Put IV 25d21.3%19.6%22.4%19.6%21.7%
Bid-Ask Spread %80.1673.0785.7273.8679.64
Gamma HHI0.270.190.520.210.24
Net GEX12.0M4.8M31.2M4.8M14.6M
Net DEX-161.3M-244.7M-85.7M-85.7M-244.7M
Net VEX-1.1M-1.2M-998.1K-998.1K-1.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.680.133.880.740.46
Total Volume1,587.7377214,4598482,095
Total OI34,890.63231,76641,71931,76636,969

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-02-02$222.97$220.0018.5%5.3%19.8%22.6%18.3%2.1%0.3%4.8M-85.7M-998.1K0.7473.86N/AN/A48636218,86312,903
2026-02-03$225.39$220.0018.9%5.4%20.1%23.8%19.8%2.2%0.5%6.8M-110.0M-1.0M0.9873.62N/AN/A38037218,96413,063
2026-02-04$227.61$220.0018.6%5.3%20.3%22.9%19.7%2.6%0.1%8.8M-133.3M-1.0M0.3777.73N/AN/A1,07640319,07413,044
2026-02-05$226.09$220.0019.2%5.5%19.5%24.6%21.6%2.9%-0.8%7.8M-121.5M-1.0M3.8879.54N/AN/A3601,39619,38813,032
2026-02-06$226.69$220.0017.9%5.4%19.4%20.8%19.6%2.3%-1.1%7.3M-117.2M-1.0M0.9773.07N/AN/A38537219,44714,055
2026-02-09$229.81$220.0018.0%5.3%19.4%20.9%19.7%2.4%-0.5%10.8M-147.1M-1.0M0.8482.43N/AN/A39133019,56314,133
2026-02-10$231.86$220.0019.0%5.3%18.9%24.1%18.6%2.9%-0.8%13.0M-175.6M-1.0M0.4983.88N/AN/A76037419,72214,166
2026-02-11$234.91$220.0019.2%5.5%18.7%24.8%19.3%2.8%-1.5%14.9M-203.0M-1.0M0.3775.88N/AN/A83230819,99214,207
2026-02-12$232.04$220.0020.1%5.8%19.6%25.3%19.7%3.9%-1.4%12.9M-175.3M-1.0M0.6285.49N/AN/A58036220,20114,216
2026-02-13$233.95$220.0019.9%5.7%19.6%24.3%19.5%2.8%-0.6%14.7M-197.0M-1.0M0.6184.12N/AN/A68941920,30814,312
2026-02-17$235.41$220.0019.3%5.5%19.6%22.7%19.8%2.7%-1.2%15.7M-210.6M-999.0K0.1883.94N/AN/A2,45744020,53314,410
2026-02-18$233.50$220.0019.7%5.6%20.0%23.8%19.5%3.0%-0.1%15.0M-190.1M-1.0M0.1383.48N/AN/A3,96149821,44214,580
2026-02-19$233.28$220.0021.3%6.1%19.2%28.9%21.0%2.7%-1.3%15.7M-202.1M-1.1M0.1575.47N/AN/A2,58137824,87814,696
2026-02-20$230.75$220.0019.3%5.5%19.1%22.4%19.4%2.2%1.1%31.2M-182.3M-1.1M0.2879.04N/AN/A1,09930326,89514,824
2026-02-23$230.36$220.0020.9%6.0%19.1%27.6%20.7%2.8%-0.6%8.6M-139.8M-1.1M0.4983.09N/AN/A77938023,25511,242
2026-02-24$229.86$220.0020.8%6.0%19.0%27.4%20.8%2.3%0.3%8.3M-138.4M-1.1M0.3782.99N/AN/A69526023,65911,470
2026-02-25$228.34$220.0020.3%5.8%19.1%25.9%20.7%1.7%0.0%7.6M-123.9M-1.1M0.6985.72N/AN/A59240724,04211,584
2026-02-26$233.44$220.0020.2%5.8%20.7%25.5%19.8%2.2%-0.1%10.5M-166.5M-1.1M0.2580.01N/AN/A2,08152424,10111,689
2026-02-27$240.71$220.0020.6%5.9%17.7%26.9%21.0%2.1%-0.0%14.6M-244.7M-1.2M0.4679.64N/AN/A1,43665925,06011,909