WM Options History — March 2026

In March 2026, WM traded between $224.41 and $247.82. ATM implied volatility averaged 22.4%, placing in the 32.8% IV rank vs the trailing year. The 30-day expected move averaged 6.4%. IV traded above realized volatility by 0.2% (HV 20d: 22.3%). Max pain ranged from $220.00 to $230.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 19 of 22 days. Put/call ratio averaged 0.65.

Notable Days

  • 2026-03-12: Highest Volume — 9,710 contracts
  • 2026-03-18: Largest IV spike — 11.8% change
  • 2026-03-30: Highest IV Rank — 42.8%
  • 2026-03-30: Largest Expected Move — 7.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$235.69$224.41$247.82$244.61$229.73
Max Pain$227.27$220.00$230.00$220.00$230.00
ATM IV22.4%20.4%25.5%21.9%24.4%
Expected Move6.4%5.8%7.3%6.3%7.0%
HV 20d22.3%17.7%25.6%18.0%21.6%
HV 60d19.0%16.9%20.3%17.4%20.2%
IV Rank32.8%26.1%42.8%31.1%39.2%
IV Percentile81.0%66.3%95.6%79.0%92.1%
Term Structure1.5%-1.4%3.5%-1.0%2.5%
VWIV22.7%21.3%25.5%22.5%24.8%
Skew 25d2.4%1.5%3.5%2.6%3.5%
Skew 10d4.4%-0.2%7.4%5.1%7.4%
Call IV 25d21.5%19.7%24.1%20.6%23.7%
Put IV 25d23.9%22.2%27.4%23.2%27.2%
Bid-Ask Spread %38.4810.0984.3779.3115.18
Gamma HHI0.200.130.300.220.15
Net GEX11.0M3.6M17.0M15.5M6.6M
Net DEX-184.6M-312.9M-71.9M-285.2M-114.6M
Net VEX-1.1M-1.2M-1.0M-1.2M-1.1M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.650.052.130.250.69
Total Volume1,747.9094989,7101,876498
Total OI37,101.40931,78940,09436,81834,381

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-03-02$244.61$220.0021.9%6.3%18.0%31.1%22.5%2.6%-1.0%15.5M-285.2M-1.2M0.2579.31N/AN/A1,49538125,10511,713
2026-03-03$243.89$220.0022.0%6.3%18.2%31.3%21.7%2.6%-1.4%15.5M-275.7M-1.2M1.6183.83N/AN/A54187225,12211,777
2026-03-04$244.21$220.0021.8%6.2%18.0%30.6%21.6%2.8%-1.3%15.6M-279.4M-1.2M0.4080.68N/AN/A48119125,20012,171
2026-03-05$245.05$220.0021.0%5.9%17.9%28.0%23.1%1.5%0.9%15.6M-284.2M-1.2M2.1381.01N/AN/A4891,04425,27312,236
2026-03-06$247.82$220.0021.1%5.9%17.7%28.5%21.8%2.7%1.4%16.3M-312.9M-1.2M0.5677.41N/AN/A1,42579125,33012,742
2026-03-09$247.43$220.0021.9%5.8%17.8%31.0%21.6%2.3%1.7%17.0M-308.5M-1.2M0.5984.37N/AN/A74344125,92213,225
2026-03-10$236.60$230.0021.9%6.2%24.5%31.1%22.2%1.7%1.2%12.1M-197.4M-1.2M0.9480.50N/AN/A1,8731,75726,21613,342
2026-03-11$236.45$230.0021.7%6.2%24.4%30.3%22.5%1.8%1.1%12.3M-194.8M-1.2M0.4682.84N/AN/A56225726,51113,422
2026-03-12$239.79$230.0021.6%6.5%24.5%29.9%22.0%2.1%2.0%15.1M-238.5M-1.2M0.0514.15N/AN/A9,24946126,55413,500
2026-03-13$238.14$230.0022.4%6.8%24.1%32.6%22.9%2.2%1.3%13.8M-203.1M-1.2M1.1111.95N/AN/A44749825,59413,596
2026-03-16$236.38$230.0021.5%6.0%24.2%29.7%22.3%2.4%1.8%13.5M-182.5M-1.2M0.6811.87N/AN/A44230125,63213,340
2026-03-17$236.46$230.0020.4%5.8%24.1%26.1%21.3%2.4%1.5%14.1M-182.9M-1.1M0.5510.34N/AN/A36520025,76213,468
2026-03-18$234.18$230.0022.8%6.5%24.2%34.0%21.7%2.4%1.1%10.7M-147.7M-1.1M0.2816.98N/AN/A89525325,91413,452
2026-03-19$234.13$230.0022.9%6.4%24.2%34.3%22.2%2.2%2.1%11.3M-159.5M-1.1M0.6717.46N/AN/A69146326,24313,536
2026-03-20$230.70$230.0022.5%6.5%24.4%33.0%22.7%2.3%2.3%6.2M-129.0M-1.1M0.5415.55N/AN/A90148526,55513,539
2026-03-23$229.14$230.0021.8%6.3%24.6%30.7%21.9%3.0%2.2%5.8M-106.1M-1.0M0.3511.34N/AN/A1,90266322,2049,585
2026-03-24$224.41$230.0023.9%6.7%25.6%37.6%22.7%2.2%1.6%4.2M-78.3M-1.0M0.3110.09N/AN/A1,43144822,8349,890
2026-03-25$224.51$230.0024.0%6.8%25.5%37.9%23.0%3.4%2.3%3.6M-71.9M-1.0M0.5120.50N/AN/A1,35369423,51610,055
2026-03-26$226.34$230.0022.7%6.5%24.3%33.7%23.6%2.2%3.2%5.1M-92.4M-1.1M0.4111.37N/AN/A51821123,46310,301
2026-03-27$225.44$230.0024.3%7.0%21.1%38.9%24.9%2.1%3.5%5.0M-94.7M-1.1M0.7518.35N/AN/A49036823,52710,314
2026-03-30$229.76$230.0025.5%7.3%21.5%42.8%25.5%3.3%2.4%6.9M-122.6M-1.1M0.5411.40N/AN/A57530923,69210,477
2026-03-31$229.73$230.0024.4%7.0%21.6%39.2%24.8%3.5%2.5%6.6M-114.6M-1.1M0.6915.18N/AN/A29520323,82410,557