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 contracts2026-03-18 : Largest IV spike — 11.8% change2026-03-30 : Highest IV Rank — 42.8%2026-03-30 : Largest Expected Move — 7.3%Monthly Statistics Metric Avg Min Max Open Close Price $235.69 $224.41 $247.82 $244.61 $229.73 Max Pain $227.27 $220.00 $230.00 $220.00 $230.00 ATM IV 22.4% 20.4% 25.5% 21.9% 24.4% Expected Move 6.4% 5.8% 7.3% 6.3% 7.0% HV 20d 22.3% 17.7% 25.6% 18.0% 21.6% HV 60d 19.0% 16.9% 20.3% 17.4% 20.2% IV Rank 32.8% 26.1% 42.8% 31.1% 39.2% IV Percentile 81.0% 66.3% 95.6% 79.0% 92.1% Term Structure 1.5% -1.4% 3.5% -1.0% 2.5% VWIV 22.7% 21.3% 25.5% 22.5% 24.8% Skew 25d 2.4% 1.5% 3.5% 2.6% 3.5% Skew 10d 4.4% -0.2% 7.4% 5.1% 7.4% Call IV 25d 21.5% 19.7% 24.1% 20.6% 23.7% Put IV 25d 23.9% 22.2% 27.4% 23.2% 27.2% Bid-Ask Spread % 38.48 10.09 84.37 79.31 15.18 Gamma HHI 0.20 0.13 0.30 0.22 0.15 Net GEX 11.0M 3.6M 17.0M 15.5M 6.6M 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 Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.65 0.05 2.13 0.25 0.69 Total Volume 1,747.909 498 9,710 1,876 498 Total OI 37,101.409 31,789 40,094 36,818 34,381
Daily Data (22 trading days) Date Price Max Pain ATM IV Exp Move HV 20d IV Rank VWIV Skew 25d Term Str GEX DEX VEX P/C Spread % Call Wall Put Wall Call Vol Put Vol Call OI Put OI 2026-03-02 $244.61 $220.00 21.9% 6.3% 18.0% 31.1% 22.5% 2.6% -1.0% 15.5M -285.2M -1.2M 0.25 79.31 N/A N/A 1,495 381 25,105 11,713 2026-03-03 $243.89 $220.00 22.0% 6.3% 18.2% 31.3% 21.7% 2.6% -1.4% 15.5M -275.7M -1.2M 1.61 83.83 N/A N/A 541 872 25,122 11,777 2026-03-04 $244.21 $220.00 21.8% 6.2% 18.0% 30.6% 21.6% 2.8% -1.3% 15.6M -279.4M -1.2M 0.40 80.68 N/A N/A 481 191 25,200 12,171 2026-03-05 $245.05 $220.00 21.0% 5.9% 17.9% 28.0% 23.1% 1.5% 0.9% 15.6M -284.2M -1.2M 2.13 81.01 N/A N/A 489 1,044 25,273 12,236 2026-03-06 $247.82 $220.00 21.1% 5.9% 17.7% 28.5% 21.8% 2.7% 1.4% 16.3M -312.9M -1.2M 0.56 77.41 N/A N/A 1,425 791 25,330 12,742 2026-03-09 $247.43 $220.00 21.9% 5.8% 17.8% 31.0% 21.6% 2.3% 1.7% 17.0M -308.5M -1.2M 0.59 84.37 N/A N/A 743 441 25,922 13,225 2026-03-10 $236.60 $230.00 21.9% 6.2% 24.5% 31.1% 22.2% 1.7% 1.2% 12.1M -197.4M -1.2M 0.94 80.50 N/A N/A 1,873 1,757 26,216 13,342 2026-03-11 $236.45 $230.00 21.7% 6.2% 24.4% 30.3% 22.5% 1.8% 1.1% 12.3M -194.8M -1.2M 0.46 82.84 N/A N/A 562 257 26,511 13,422 2026-03-12 $239.79 $230.00 21.6% 6.5% 24.5% 29.9% 22.0% 2.1% 2.0% 15.1M -238.5M -1.2M 0.05 14.15 N/A N/A 9,249 461 26,554 13,500 2026-03-13 $238.14 $230.00 22.4% 6.8% 24.1% 32.6% 22.9% 2.2% 1.3% 13.8M -203.1M -1.2M 1.11 11.95 N/A N/A 447 498 25,594 13,596 2026-03-16 $236.38 $230.00 21.5% 6.0% 24.2% 29.7% 22.3% 2.4% 1.8% 13.5M -182.5M -1.2M 0.68 11.87 N/A N/A 442 301 25,632 13,340 2026-03-17 $236.46 $230.00 20.4% 5.8% 24.1% 26.1% 21.3% 2.4% 1.5% 14.1M -182.9M -1.1M 0.55 10.34 N/A N/A 365 200 25,762 13,468 2026-03-18 $234.18 $230.00 22.8% 6.5% 24.2% 34.0% 21.7% 2.4% 1.1% 10.7M -147.7M -1.1M 0.28 16.98 N/A N/A 895 253 25,914 13,452 2026-03-19 $234.13 $230.00 22.9% 6.4% 24.2% 34.3% 22.2% 2.2% 2.1% 11.3M -159.5M -1.1M 0.67 17.46 N/A N/A 691 463 26,243 13,536 2026-03-20 $230.70 $230.00 22.5% 6.5% 24.4% 33.0% 22.7% 2.3% 2.3% 6.2M -129.0M -1.1M 0.54 15.55 N/A N/A 901 485 26,555 13,539 2026-03-23 $229.14 $230.00 21.8% 6.3% 24.6% 30.7% 21.9% 3.0% 2.2% 5.8M -106.1M -1.0M 0.35 11.34 N/A N/A 1,902 663 22,204 9,585 2026-03-24 $224.41 $230.00 23.9% 6.7% 25.6% 37.6% 22.7% 2.2% 1.6% 4.2M -78.3M -1.0M 0.31 10.09 N/A N/A 1,431 448 22,834 9,890 2026-03-25 $224.51 $230.00 24.0% 6.8% 25.5% 37.9% 23.0% 3.4% 2.3% 3.6M -71.9M -1.0M 0.51 20.50 N/A N/A 1,353 694 23,516 10,055 2026-03-26 $226.34 $230.00 22.7% 6.5% 24.3% 33.7% 23.6% 2.2% 3.2% 5.1M -92.4M -1.1M 0.41 11.37 N/A N/A 518 211 23,463 10,301 2026-03-27 $225.44 $230.00 24.3% 7.0% 21.1% 38.9% 24.9% 2.1% 3.5% 5.0M -94.7M -1.1M 0.75 18.35 N/A N/A 490 368 23,527 10,314 2026-03-30 $229.76 $230.00 25.5% 7.3% 21.5% 42.8% 25.5% 3.3% 2.4% 6.9M -122.6M -1.1M 0.54 11.40 N/A N/A 575 309 23,692 10,477 2026-03-31 $229.73 $230.00 24.4% 7.0% 21.6% 39.2% 24.8% 3.5% 2.5% 6.6M -114.6M -1.1M 0.69 15.18 N/A N/A 295 203 23,824 10,557
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