COST Options History — October 2023

In October 2023, COST traded between $541.19 and $573.41. ATM implied volatility averaged 19.6%, placing in the 28.9% IV rank vs the trailing year. The 30-day expected move averaged 5.7%. IV traded above realized volatility by 2.6% (HV 20d: 17.0%). Max pain ranged from $540.00 to $555.00. Net GEX was positive for 14 of 22 trading days. Term structure was in contango for 14 of 22 days. Put/call ratio averaged 1.00.

Notable Days

  • 2023-10-06: Highest Volume — 110,252 contracts
  • 2023-10-19: Largest IV spike — 9.4% change
  • 2023-10-26: Highest IV Rank — 40.1%
  • 2023-10-26: Largest Expected Move — 6.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$560.97$541.19$573.41$571.09$552.09
Max Pain$551.70$540.00$555.00$540.00$552.50
ATM IV19.6%17.8%21.7%18.7%19.4%
Expected Move5.7%5.1%6.4%5.3%5.8%
HV 20d17.0%14.9%18.6%14.9%17.8%
HV 60d15.0%14.1%16.1%14.1%16.0%
IV Rank28.9%19.7%40.1%23.7%28.6%
IV Percentile31.9%18.3%48.0%23.4%32.5%
Term Structure-0.0%-0.8%0.4%-0.1%0.3%
VWIV20.8%18.5%23.4%19.5%21.5%
Skew 25d3.5%3.0%4.1%3.0%3.5%
Skew 10d7.3%6.0%8.8%6.7%8.0%
Call IV 25d18.3%16.4%20.5%17.3%18.0%
Put IV 25d21.7%19.8%24.6%20.3%21.6%
Bid-Ask Spread %8.496.4512.656.746.82
Gamma HHI0.060.040.130.050.04
Net GEX31.3M-124.1M131.8M86.7M-14.0M
Net DEX-949.7M-1.87B409.4M-1.66B-323.5M
Net VEX-12.3M-12.7M-11.8M-12.0M-12.0M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.000.681.300.711.30
Total Volume30,127.27314,970110,25226,71314,970
Total OI225,097.455201,797252,197208,408211,533

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2023-10-02$571.09$540.0018.7%5.3%14.9%23.7%19.5%3.0%-0.1%86.7M-1.66B-12.0M0.716.7415,59211,12192,757115,651
2023-10-03$564.29$545.0020.2%5.9%15.8%30.9%21.8%3.5%-0.0%55.1M-1.19B-12.5M1.226.4514,06017,16399,844119,663
2023-10-04$571.97$545.0019.1%5.4%16.3%25.6%18.9%3.0%0.0%131.8M-1.74B-12.2M0.826.8612,1049,964101,989123,130
2023-10-05$570.55$555.0019.1%5.5%16.4%25.7%19.9%3.2%-0.1%128.4M-1.59B-12.2M0.738.1217,54912,736105,673125,538
2023-10-06$557.78$555.0019.4%5.6%18.6%27.3%20.8%3.5%0.0%-38.4M-631.2M-12.3M0.938.9457,20753,045107,035126,339
2023-10-09$558.44$550.0019.4%5.6%17.7%27.5%21.4%3.5%0.1%25.5M-911.9M-12.5M1.029.4114,89215,15399,724119,908
2023-10-10$562.20$555.0018.8%5.5%17.9%24.6%19.7%3.5%0.2%60.1M-1.24B-12.4M1.098.6413,37814,629103,388125,191
2023-10-11$565.21$550.0018.2%5.3%18.0%21.5%20.1%3.3%0.3%77.1M-1.42B-12.4M1.147.438,4529,659105,315127,857
2023-10-12$564.48$555.0017.8%5.2%17.6%19.7%18.5%3.3%0.3%75.2M-1.36B-12.3M0.839.3414,82812,243107,541129,900
2023-10-13$565.86$555.0019.1%5.5%16.7%25.7%20.3%3.2%0.4%104.8M-1.47B-12.4M0.7412.6515,54911,455109,616132,213
2023-10-16$572.67$555.0018.0%5.2%16.9%20.7%19.9%3.3%-0.7%104.5M-1.80B-11.8M0.6810.4718,61212,74699,531122,258
2023-10-17$572.59$555.0017.8%5.1%16.8%19.8%19.2%3.5%-0.4%116.1M-1.77B-12.0M1.148.6811,74513,360104,290126,963
2023-10-18$573.41$550.0019.2%5.5%16.8%27.6%19.7%3.6%-0.6%113.5M-1.87B-12.3M1.199.9514,38017,131107,433132,930
2023-10-19$565.06$555.0021.0%6.1%16.6%36.6%22.3%4.0%-0.8%3.3M-1.10B-12.6M1.2410.7313,49716,752109,119139,285
2023-10-20$554.02$555.0021.6%6.3%17.9%39.8%22.4%4.1%-0.8%-124.1M-177.5M-12.7M0.769.3822,18416,905110,069142,128
2023-10-23$553.62$555.0020.9%6.2%17.8%36.0%21.9%3.8%0.1%-19.6M-268.4M-12.5M0.966.9114,31413,71986,504115,293
2023-10-24$552.87$555.0019.8%5.9%17.6%30.6%20.7%3.5%0.2%-17.0M-254.3M-12.3M0.966.679,0968,69489,705119,312
2023-10-25$549.42$550.0020.6%6.2%16.5%34.6%22.4%3.6%0.2%-40.7M-61.9M-12.5M0.839.1010,6018,80591,517122,336
2023-10-26$547.26$550.0021.7%6.4%15.9%40.1%23.4%3.8%0.1%-46.2M30.4M-12.4M1.197.359,03410,77894,068124,047
2023-10-27$541.19$550.0021.3%6.4%16.0%38.1%22.2%3.3%0.3%-94.8M409.4M-12.3M1.288.5313,60417,46395,862125,654
2023-10-30$555.23$550.0020.0%6.0%18.1%31.5%21.5%3.5%0.2%932.8K-503.4M-12.1M1.197.5110,77612,85586,813117,222
2023-10-31$552.09$552.5019.4%5.8%17.8%28.6%21.5%3.5%0.3%-14.0M-323.5M-12.0M1.306.826,5098,46190,128121,405