COST Options History — July 2023

In July 2023, COST traded between $525.96 and $566.64. ATM implied volatility averaged 15.7%, placing in the 9.5% IV rank vs the trailing year. The 30-day expected move averaged 4.5%. IV traded above realized volatility by 1.7% (HV 20d: 14.0%). Max pain ranged from $505.00 to $550.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 17 of 20 days. Put/call ratio averaged 0.69.

Notable Days

  • 2023-07-07: Highest Volume — 50,693 contracts
  • 2023-07-28: Largest IV drop — 9.4% change
  • 2023-07-27: Highest IV Rank — 14.7%
  • 2023-07-10: Largest Expected Move — 4.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$549.24$525.96$566.64$540.35$560.08
Max Pain$528.50$505.00$550.00$505.00$550.00
ATM IV15.7%14.3%16.7%14.3%16.0%
Expected Move4.5%3.9%4.9%3.9%4.6%
HV 20d14.0%12.0%15.5%12.6%13.6%
HV 60d15.9%14.8%17.2%17.2%14.8%
IV Rank9.5%3.4%14.7%3.4%11.0%
IV Percentile6.7%0.8%13.5%0.8%10.7%
Term Structure0.2%-0.0%0.4%0.2%-0.0%
VWIV16.5%13.9%17.9%13.9%16.6%
Skew 25d3.0%2.5%3.5%2.8%3.3%
Skew 10d6.5%5.3%7.5%5.5%7.4%
Call IV 25d14.5%13.3%15.3%13.3%14.7%
Put IV 25d17.5%16.2%18.7%16.2%18.0%
Bid-Ask Spread %9.253.2515.123.256.07
Gamma HHI0.100.050.310.090.05
Net GEX146.8M7.4M318.4M147.2M42.7M
Net DEX-1.96B-2.98B-678.5M-1.86B-1.52B
Net VEX-11.4M-12.0M-10.5M-10.5M-12.0M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.690.411.040.951.04
Total Volume28,51413,99150,69315,84613,991
Total OI212,706.4187,208241,193196,219194,084

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2023-07-03$540.35$505.0014.3%3.9%12.6%3.4%13.9%2.8%0.2%147.2M-1.86B-10.5M0.953.258,1147,73293,718102,501
2023-07-05$541.25$510.0015.2%4.2%12.0%7.3%14.8%2.7%0.1%148.3M-1.90B-10.6M0.694.7315,88110,95095,634106,191
2023-07-06$537.89$520.0015.6%4.7%12.1%9.1%16.3%2.9%0.2%120.8M-1.64B-11.1M0.708.9514,1899,90599,394110,092
2023-07-07$525.96$520.0015.9%4.8%14.7%10.5%16.8%2.9%0.3%7.4M-678.5M-11.5M0.814.8227,94822,745102,673113,450
2023-07-10$526.98$520.0016.7%4.9%13.8%14.4%16.9%3.2%0.2%62.6M-900.7M-11.6M0.567.2214,3778,11899,791106,810
2023-07-11$529.50$520.0015.9%4.6%13.8%10.5%17.1%3.1%0.3%89.4M-1.08B-11.4M0.629.9610,7976,705102,592109,561
2023-07-12$538.51$520.0014.9%4.3%14.8%5.9%16.0%2.5%0.3%209.4M-1.78B-11.4M0.6712.6721,21414,177107,723111,999
2023-07-13$539.00$520.0015.3%4.4%14.8%7.7%16.1%2.8%0.4%190.2M-1.74B-11.5M0.6213.6115,2759,492109,084115,592
2023-07-14$545.93$520.0015.3%4.4%15.0%7.7%16.1%2.5%0.4%269.7M-2.41B-11.5M0.4913.9231,60115,604111,658117,649
2023-07-17$553.50$525.0015.7%4.5%15.5%9.7%17.6%3.2%0.3%239.6M-2.58B-11.3M0.579.7023,95713,675105,606114,072
2023-07-18$554.02$535.0016.2%4.7%14.9%12.3%16.9%3.3%0.2%205.2M-2.52B-11.5M0.5611.2617,71410,002104,023119,176
2023-07-19$553.62$535.0016.0%4.6%14.1%11.3%17.9%3.2%0.1%225.7M-2.53B-11.6M0.4212.2516,3986,946107,158121,349
2023-07-20$556.94$535.0016.1%4.6%14.1%11.7%17.7%3.1%-0.0%277.5M-2.78B-11.6M0.675.4822,69115,205109,751123,266
2023-07-21$559.84$535.0015.2%4.3%14.0%7.5%15.9%3.0%0.2%318.4M-2.98B-11.5M0.4115.1225,21010,454111,486129,707
2023-07-24$564.44$535.0015.5%4.4%14.1%8.7%16.2%3.1%0.2%89.9M-2.13B-11.3M0.896.0115,73013,96584,157103,051
2023-07-25$565.92$535.0015.8%4.5%14.0%10.4%17.6%3.2%0.1%86.0M-2.18B-11.5M0.509.5915,7477,83687,884107,970
2023-07-26$566.64$540.0015.7%4.5%13.5%9.7%16.8%3.0%0.2%97.5M-2.26B-11.4M0.8811.719,3578,21590,195110,588
2023-07-27$561.65$545.0016.7%4.8%14.2%14.7%17.3%3.5%-0.0%59.7M-1.90B-12.0M0.8712.3419,45716,98291,710112,425
2023-07-28$562.84$545.0015.2%4.3%14.1%7.2%15.6%3.2%0.2%48.1M-1.93B-12.0M0.846.2611,9379,98793,926116,432
2023-07-31$560.08$550.0016.0%4.6%13.6%11.0%16.6%3.3%-0.0%42.7M-1.52B-12.0M1.046.076,8697,12285,943108,141