COST Options History — July 2018

In July 2018, COST traded between $207.12 and $221.71. ATM implied volatility averaged 16.5%, placing in the 11.5% IV rank vs the trailing year. The 30-day expected move averaged 4.8%. IV traded above realized volatility by 5.8% (HV 20d: 10.8%). Max pain ranged from $200.00 to $210.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 11 of 21 days. Put/call ratio averaged 1.09.

Notable Days

  • 2018-07-02: Highest Volume — 26,048 contracts
  • 2018-07-17: Largest IV drop — 10.2% change
  • 2018-07-02: Highest IV Rank — 21.2%
  • 2018-07-03: Largest Expected Move — 5.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$214.98$207.12$221.71$207.20$219.02
Max Pain$205.24$200.00$210.00$200.00$210.00
ATM IV16.5%15.4%18.3%18.3%16.2%
Expected Move4.8%4.4%5.3%5.2%4.8%
HV 20d10.8%9.1%13.2%13.2%10.2%
HV 60d13.2%12.2%14.9%14.9%12.2%
IV Rank11.5%5.3%21.2%21.2%9.3%
IV Percentile19.5%4.8%44.4%44.4%13.5%
Term Structure0.0%-1.1%0.8%0.4%0.3%
VWIV17.2%15.8%18.5%18.5%17.9%
Skew 25d2.3%2.0%2.6%2.5%2.2%
Skew 10d4.6%3.8%5.8%4.6%4.1%
Call IV 25d15.7%15.0%17.3%17.3%15.5%
Put IV 25d18.1%17.2%19.7%19.7%17.8%
Bid-Ask Spread %6.874.2714.496.935.24
Gamma HHI0.200.140.610.170.14
Net GEX52.5M23.8M101.9M25.8M23.8M
Net DEX-867.1M-1.25B-521.5M-521.5M-666.3M
Net VEX-3.3M-3.8M-2.9M-3.8M-3.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.090.621.670.620.67
Total Volume16,654.61911,86726,04826,04818,129
Total OI177,480.619149,829200,399179,220152,954

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-07-02$207.20$200.0018.3%5.2%13.2%21.2%18.5%2.5%0.4%25.8M-521.5M-3.8M0.626.9316,03710,01182,85496,366
2018-07-03$207.12$200.0018.0%5.3%12.9%19.6%18.3%2.5%0.7%32.7M-546.8M-3.8M0.7714.497,9176,10587,55996,892
2018-07-05$208.87$200.0017.8%5.1%13.0%18.3%18.2%2.5%0.2%45.7M-672.2M-3.5M1.676.274,9178,18988,41097,407
2018-07-06$209.59$200.0017.3%5.0%9.1%15.8%18.1%2.3%0.7%72.5M-706.0M-3.6M1.247.026,9198,56189,23298,750
2018-07-09$210.98$200.0017.4%4.9%9.2%16.4%18.0%2.6%-0.6%47.5M-769.4M-3.4M1.237.286,0017,37782,82295,721
2018-07-10$211.70$200.0016.6%4.8%9.2%12.0%16.9%2.1%-0.1%52.8M-815.4M-3.4M1.4012.656,5789,19284,43696,741
2018-07-11$211.43$200.0016.6%4.8%9.2%11.8%17.3%2.4%0.0%50.1M-808.2M-3.3M1.217.365,3806,48785,513100,245
2018-07-12$213.98$200.0016.0%4.8%9.8%8.2%16.6%2.6%0.8%68.7M-972.2M-3.3M1.014.357,7527,86686,314100,980
2018-07-13$216.26$200.0015.9%4.5%10.2%8.1%16.8%2.4%-0.3%70.5M-1.14B-3.1M0.798.7210,9128,65787,213101,395
2018-07-16$214.35$200.0017.2%5.0%10.7%15.1%16.6%2.4%-1.1%56.2M-936.1M-3.3M0.984.777,4127,28484,21299,321
2018-07-17$215.50$210.0015.4%4.4%10.4%5.3%17.5%2.4%0.8%63.4M-1.01B-3.0M1.084.278,7139,44884,472100,273
2018-07-18$214.84$210.0016.8%4.8%10.5%13.1%17.2%2.2%-1.0%61.5M-1.01B-3.1M1.414.419,88213,95185,500100,610
2018-07-19$217.69$210.0015.6%4.5%11.2%6.4%16.7%2.0%0.2%70.8M-1.16B-3.1M1.034.8311,86312,20288,157105,348
2018-07-20$218.74$210.0015.5%4.4%11.1%5.4%15.8%2.2%0.2%75.8M-1.25B-3.1M0.944.289,0428,51091,436108,963
2018-07-23$218.53$210.0016.4%4.8%10.9%10.7%16.4%2.5%-0.1%38.7M-867.1M-3.3M1.095.258,8049,56272,75986,016
2018-07-24$218.25$210.0016.2%4.7%10.9%9.7%17.2%2.3%-0.1%36.7M-843.8M-3.1M1.374.826,3908,77672,05388,500
2018-07-25$220.33$210.0015.9%4.5%11.0%7.8%16.4%2.3%-0.1%34.6M-927.1M-2.9M1.036.636,4416,64272,31590,787
2018-07-26$221.71$210.0015.8%4.7%11.0%7.5%16.9%2.1%-0.1%47.5M-1.01B-2.9M0.8412.449,5268,03974,33191,828
2018-07-27$219.67$210.0016.0%4.6%11.2%8.6%16.7%2.1%-0.2%101.9M-890.9M-3.0M1.094.965,8946,42975,71592,864
2018-07-30$218.92$210.0016.4%4.9%11.4%10.6%17.8%2.3%0.3%25.0M-682.7M-3.0M1.497.404,7937,15764,15985,670
2018-07-31$219.02$210.0016.2%4.8%10.2%9.3%17.9%2.2%0.3%23.8M-666.3M-3.2M0.675.2410,8537,27665,24187,713