WM Options History — April 2021

In April 2021, WM traded between $129.36 and $138.01. ATM implied volatility averaged 16.7%, placing in the 9.4% IV rank vs the trailing year. The 30-day expected move averaged 5.0%. IV traded above realized volatility by 2.7% (HV 20d: 14.0%). Max pain ranged from $120.00 to $130.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 9 of 21 days. Put/call ratio averaged 0.40.

Notable Days

  • 2021-04-06: Highest Volume — 4,668 contracts
  • 2021-04-12: Largest IV spike — 14.7% change
  • 2021-04-26: Highest IV Rank — 20.6%
  • 2021-04-26: Largest Expected Move — 5.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$134.37$129.36$138.01$129.36$138.01
Max Pain$129.05$120.00$130.00$120.00$130.00
ATM IV16.7%14.0%18.6%15.7%15.2%
Expected Move5.0%4.4%5.3%4.5%4.4%
HV 20d14.0%10.0%22.1%22.1%10.1%
HV 60d18.1%16.3%19.3%19.3%16.3%
IV Rank9.4%0.0%20.6%0.0%5.6%
IV Percentile3.5%0.0%12.7%0.0%0.4%
Term Structure0.0%-1.5%2.4%2.4%0.5%
VWIV17.3%14.9%19.3%16.1%15.8%
Skew 25d1.8%1.1%2.7%1.3%1.5%
Skew 10d3.8%2.4%5.7%4.1%2.5%
Call IV 25d16.7%14.7%18.3%15.9%15.3%
Put IV 25d18.5%16.6%20.7%17.2%16.8%
Bid-Ask Spread %80.0068.1986.5372.5880.98
Gamma HHI0.270.160.620.220.21
Net GEX10.8M6.9M24.4M11.0M8.9M
Net DEX-239.4M-330.1M-157.8M-232.1M-217.1M
Net VEX-929.0K-985.3K-876.8K-929.6K-936.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.400.141.040.220.53
Total Volume2,098.8578114,6682,0621,084
Total OI54,503.33342,28464,73059,39450,239

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-04-01$129.36$120.0015.7%4.5%22.1%0.0%16.1%1.3%2.4%11.0M-232.1M-929.6K0.2272.58N/AN/A1,68737536,19123,203
2021-04-05$130.96$125.0016.5%5.2%20.6%2.9%18.5%2.4%-0.3%10.7M-258.3M-897.3K0.6572.38N/AN/A52534236,33223,306
2021-04-06$131.68$125.0016.5%5.2%19.1%3.1%17.3%1.9%-0.6%11.2M-265.3M-911.1K0.1482.30N/AN/A4,10156736,52423,334
2021-04-07$132.51$130.0015.8%5.1%17.7%0.7%17.8%1.1%-0.7%12.1M-280.5M-910.1K0.2280.99N/AN/A1,87741537,50723,643
2021-04-08$132.82$130.0015.9%5.0%17.6%1.1%17.3%1.9%-0.9%12.3M-285.0M-893.3K0.2176.88N/AN/A1,66034537,70523,856
2021-04-09$134.43$130.0014.0%5.0%16.7%0.0%17.3%2.0%-0.7%12.9M-312.1M-876.8K0.1881.33N/AN/A2,08938238,07624,000
2021-04-12$134.53$130.0016.0%5.0%16.7%7.9%17.8%1.8%1.3%12.5M-311.6M-892.1K0.4281.45N/AN/A2,24894738,20124,193
2021-04-13$134.65$130.0016.4%5.0%16.7%9.4%17.8%1.1%-0.5%13.4M-311.6M-920.7K0.5477.69N/AN/A2,5371,38038,84224,646
2021-04-14$133.93$130.0018.2%5.2%17.1%16.5%17.7%2.0%-1.5%13.3M-301.0M-950.8K0.1476.34N/AN/A1,00713739,49325,066
2021-04-15$134.76$130.0017.1%4.9%11.4%12.3%17.2%1.8%-0.2%17.3M-314.4M-925.2K0.4882.56N/AN/A77237239,49125,165
2021-04-16$135.37$130.0016.3%4.7%10.4%9.2%16.1%1.9%1.5%24.4M-330.1M-911.1K0.2886.53N/AN/A1,80449839,38425,346
2021-04-19$134.54$130.0017.1%4.9%11.2%12.3%16.8%1.8%0.4%7.0M-167.4M-920.4K0.3468.19N/AN/A1,08336626,68115,603
2021-04-20$134.89$130.0018.1%5.2%11.2%15.9%18.0%1.9%-0.4%7.0M-172.3M-941.2K0.2981.28N/AN/A66919427,23915,836
2021-04-21$135.87$130.0018.4%5.3%11.2%17.4%18.2%1.9%-0.6%7.2M-181.0M-955.9K0.4583.20N/AN/A93742227,48215,940
2021-04-22$135.07$130.0017.5%5.0%11.5%16.1%18.4%2.7%0.0%7.2M-175.7M-945.3K0.5680.63N/AN/A79444827,88716,159
2021-04-23$135.64$130.0018.0%5.2%10.7%18.1%17.7%1.8%-0.4%7.2M-179.4M-947.5K0.2582.91N/AN/A65016127,97316,506
2021-04-26$134.05$130.0018.6%5.3%10.4%20.6%19.3%2.3%-0.7%6.9M-157.8M-985.3K1.0479.87N/AN/A2,2772,37928,33816,610
2021-04-27$134.98$130.0016.2%4.6%10.5%10.0%17.7%1.5%0.7%7.3M-173.3M-958.6K0.6482.03N/AN/A2,4231,54029,58018,615
2021-04-28$136.19$130.0016.2%4.7%10.0%10.1%15.9%1.9%0.5%8.4M-191.0M-968.1K0.4083.66N/AN/A92437030,37919,777
2021-04-29$137.48$130.0015.9%4.5%10.1%8.6%14.9%1.8%1.1%8.7M-210.9M-933.2K0.3386.25N/AN/A97231630,32319,899
2021-04-30$138.01$130.0015.2%4.4%10.1%5.6%15.8%1.5%0.5%8.9M-217.1M-936.0K0.5380.98N/AN/A70837630,29919,940