WM Options History — August 2021

In August 2021, WM traded between $146.93 and $155.00. ATM implied volatility averaged 15.5%, placing in the 16.1% IV rank vs the trailing year. The 30-day expected move averaged 4.5%. IV traded above realized volatility by 3.0% (HV 20d: 12.5%). Max pain ranged from $140.00 to $150.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 21 of 22 days. Put/call ratio averaged 0.66.

Notable Days

  • 2021-08-19: Highest Volume — 12,022 contracts
  • 2021-08-20: Largest IV drop — 14.7% change
  • 2021-08-19: Highest IV Rank — 30.8%
  • 2021-08-19: Largest Expected Move — 5.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$150.85$146.93$155.00$147.28$154.78
Max Pain$144.77$140.00$150.00$140.00$150.00
ATM IV15.5%13.8%18.9%16.3%13.8%
Expected Move4.5%3.9%5.4%4.7%4.0%
HV 20d12.5%9.8%14.4%13.7%9.8%
HV 60d11.7%11.0%13.8%13.5%11.1%
IV Rank16.1%8.4%30.8%19.5%8.5%
IV Percentile14.3%0.4%44.8%18.3%1.2%
Term Structure1.1%-0.7%2.0%1.7%1.9%
VWIV15.9%14.3%19.1%15.8%15.1%
Skew 25d2.8%1.2%4.1%3.1%1.3%
Skew 10d7.6%0.3%41.4%5.3%0.3%
Call IV 25d15.1%13.6%18.5%14.7%14.2%
Put IV 25d17.9%15.3%21.4%17.9%15.5%
Bid-Ask Spread %74.8568.6680.3877.9375.75
Gamma HHI0.260.220.320.260.23
Net GEX8.4M6.3M10.2M7.8M10.2M
Net DEX-206.9M-248.5M-171.6M-178.2M-229.6M
Net VEX-893.0K-968.9K-824.8K-917.1K-862.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.660.062.470.940.26
Total Volume2,415.09157312,0221,3341,339
Total OI49,348.59147,02353,36247,16549,688

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-08-02$147.28$140.0016.3%4.7%13.7%19.5%15.8%3.1%1.7%7.8M-178.2M-917.1K0.9477.93N/AN/A68664827,82319,342
2021-08-03$149.31$140.0014.8%4.2%14.4%12.8%15.3%2.6%1.3%8.5M-199.2M-904.3K0.2974.08N/AN/A92826928,20119,542
2021-08-04$149.06$140.0015.3%4.4%14.2%15.2%15.7%2.5%1.2%8.4M-195.8M-908.1K0.1879.24N/AN/A1,14321128,41019,858
2021-08-05$148.33$145.0014.8%4.6%13.5%13.0%16.4%3.2%0.7%7.5M-187.6M-905.1K0.4975.43N/AN/A80639328,23920,018
2021-08-06$147.83$145.0016.3%4.6%13.5%19.4%16.0%2.8%-0.7%7.6M-185.5M-873.7K0.3571.51N/AN/A42514828,44820,031
2021-08-09$147.10$145.0016.8%4.8%13.6%21.6%16.5%3.5%0.7%7.4M-176.8M-920.2K0.5169.12N/AN/A39219928,95420,271
2021-08-10$146.93$145.0016.4%4.8%13.6%19.8%16.6%3.4%0.5%7.5M-171.6M-888.3K1.3674.94N/AN/A28338429,06720,278
2021-08-11$148.86$145.0015.5%4.4%14.0%16.1%15.2%3.5%0.3%9.2M-199.4M-872.8K0.7073.30N/AN/A69648929,17520,326
2021-08-12$149.90$145.0015.2%4.4%13.8%14.7%15.1%3.1%1.1%9.7M-214.5M-891.4K0.2478.69N/AN/A69516429,19820,446
2021-08-13$150.60$145.0015.2%4.4%13.8%14.9%15.7%2.9%1.2%10.1M-223.7M-868.4K1.4578.10N/AN/A2,3813,46329,28720,800
2021-08-16$151.77$145.0016.4%4.7%11.6%19.8%16.4%2.7%0.8%9.7M-241.0M-830.6K0.9680.38N/AN/A1,6091,54629,22320,882
2021-08-17$151.47$145.0016.6%4.7%10.9%20.6%16.5%3.4%0.6%8.8M-228.9M-891.2K0.3670.89N/AN/A1,23744129,62621,660
2021-08-18$150.06$145.0016.9%4.8%11.4%22.1%17.1%3.8%0.7%6.9M-200.6M-968.9K0.4676.70N/AN/A83238229,92722,541
2021-08-19$151.57$145.0018.9%5.4%11.8%30.8%19.1%2.8%0.3%7.8M-231.6M-964.6K0.0668.66N/AN/A11,34467830,13422,708
2021-08-20$153.14$145.0016.1%4.6%11.9%18.7%17.0%4.1%1.2%6.3M-248.5M-927.7K0.3973.12N/AN/A2,14683630,52722,835
2021-08-23$152.03$145.0016.1%4.6%12.3%18.5%16.1%3.5%1.1%7.5M-180.6M-946.8K1.7968.76N/AN/A1,0061,80327,58519,531
2021-08-24$152.51$145.0013.9%4.0%12.3%9.0%14.6%2.6%1.6%8.0M-201.3M-824.8K2.4771.82N/AN/A5211,28727,18819,835
2021-08-25$153.03$145.0013.8%3.9%11.7%8.4%15.0%2.7%1.9%8.1M-205.5M-828.1K0.8874.27N/AN/A54948427,24721,121
2021-08-26$153.67$145.0014.1%4.0%11.7%9.9%14.7%2.2%1.8%8.4M-208.6M-888.2K0.0980.18N/AN/A4,42841027,36020,720
2021-08-27$154.38$145.0013.8%3.9%11.1%8.4%14.3%1.4%1.6%8.7M-215.8M-870.4K0.2577.91N/AN/A68416927,37420,763
2021-08-30$155.00$150.0014.8%4.2%10.6%13.0%16.6%1.2%2.0%9.8M-227.1M-894.1K0.0675.98N/AN/A4,34125728,45621,024
2021-08-31$154.78$150.0013.8%4.0%9.8%8.5%15.1%1.3%1.9%10.2M-229.6M-862.2K0.2675.75N/AN/A1,06627328,59521,093