COST Options History — November 2018

In November 2018, COST traded between $218.51 and $240.49. ATM implied volatility averaged 23.0%, placing in the 47.6% IV rank vs the trailing year. The 30-day expected move averaged 6.9%. IV traded below realized volatility by 2.0% (HV 20d: 25.0%). Max pain ranged from $225.00 to $230.00. Net GEX was positive for 18 of 21 trading days. Term structure was in contango for 7 of 21 days. Put/call ratio averaged 1.52.

Notable Days

  • 2018-11-07: Highest Volume — 48,478 contracts
  • 2018-11-12: Largest IV spike — 21.3% change
  • 2018-11-20: Highest IV Rank — 80.9%
  • 2018-11-20: Largest Expected Move — 8.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$230.00$218.51$240.49$229.13$231.47
Max Pain$229.52$225.00$230.00$225.00$230.00
ATM IV23.0%18.1%29.0%20.5%22.5%
Expected Move6.9%5.9%8.3%6.3%7.1%
HV 20d25.0%23.3%33.1%33.1%24.3%
HV 60d23.1%21.8%25.1%22.5%25.1%
IV Rank47.6%20.7%80.9%34.3%44.8%
IV Percentile80.0%40.1%99.2%65.9%81.3%
Term Structure0.1%-2.1%4.0%0.5%-0.8%
VWIV24.5%21.0%28.6%23.8%26.2%
Skew 25d3.3%2.4%4.4%3.4%3.1%
Skew 10d6.8%3.1%9.9%6.8%5.7%
Call IV 25d21.6%16.8%27.2%19.5%21.4%
Put IV 25d25.0%19.3%31.4%22.9%24.6%
Bid-Ask Spread %9.043.9615.218.007.42
Gamma HHI0.150.070.450.130.15
Net GEX38.5M-10.2M94.2M42.1M53.7M
Net DEX-593.1M-1.18B-86.2M-657.8M-726.3M
Net VEX-3.2M-3.6M-3.1M-3.5M-3.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.520.504.191.450.57
Total Volume22,305.1911,12148,47815,30718,722
Total OI191,409172,699204,273186,638202,724

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-11-01$229.13$225.0020.5%6.3%33.1%34.3%23.8%3.4%0.5%42.1M-657.8M-3.5M1.458.006,2459,06285,984100,654
2018-11-02$230.16$225.0021.0%6.5%24.6%36.6%23.3%3.4%0.4%64.9M-716.9M-3.6M1.3315.216,9649,25588,039102,600
2018-11-05$234.03$230.0020.9%6.8%23.3%36.4%23.3%3.4%2.6%46.6M-844.0M-3.5M0.9410.7813,29412,54981,49297,648
2018-11-06$235.55$230.0020.8%6.3%23.3%35.7%22.6%3.4%2.3%54.2M-923.2M-3.4M2.329.679,18921,32683,910100,520
2018-11-07$240.49$230.0018.1%5.9%23.6%20.7%21.8%2.5%3.0%71.9M-1.18B-3.1M1.2111.8521,89026,58884,539116,760
2018-11-08$238.72$230.0018.6%5.9%23.9%23.5%21.6%2.4%4.0%69.0M-944.6M-3.1M2.9610.577,62022,59279,671119,751
2018-11-09$237.65$230.0019.3%5.9%23.4%27.4%21.0%2.7%3.2%94.2M-889.1M-3.1M2.7811.997,90622,01780,444120,287
2018-11-12$235.01$230.0023.4%6.5%23.5%50.2%24.8%3.3%-1.3%39.2M-726.3M-3.3M4.1914.895,54623,22476,175114,390
2018-11-13$233.90$230.0024.0%6.9%23.3%53.4%24.8%3.0%-0.2%29.8M-654.6M-3.3M3.099.606,67720,62077,009117,407
2018-11-14$233.60$230.0025.0%7.0%23.3%59.0%24.4%3.3%-0.4%29.5M-643.2M-3.2M1.009.856,2176,18778,465118,183
2018-11-15$229.75$230.0024.9%7.0%24.1%58.1%25.0%3.8%-0.5%14.0M-445.6M-3.2M1.9310.037,30014,06080,001120,063
2018-11-16$230.71$230.0023.4%6.6%24.1%50.1%23.7%3.5%-0.8%31.3M-511.8M-3.2M1.298.056,1127,87680,873123,400
2018-11-19$228.50$230.0025.6%7.3%24.3%62.4%25.7%4.4%-1.3%17.6M-438.8M-3.2M1.096.035,3275,79465,275107,424
2018-11-20$219.29$230.0029.0%8.3%28.3%80.9%28.6%4.3%-2.1%-3.6M-111.5M-3.2M0.807.0714,57811,58966,774109,621
2018-11-21$218.51$230.0026.7%7.7%28.2%68.3%25.4%3.9%-2.0%-10.2M-86.2M-3.1M0.594.8812,3867,31573,419113,794
2018-11-23$220.06$230.0026.3%7.7%28.3%66.1%26.7%3.8%-1.7%57.1M-175.9M-3.1M1.2811.654,9506,32576,276114,190
2018-11-26$219.27$230.0024.0%7.2%24.1%53.1%27.2%3.4%-0.5%-2.9M-148.1M-3.1M1.493.966,5389,75171,135109,927
2018-11-27$222.79$230.0023.2%7.1%24.5%48.8%24.9%3.3%-0.7%5.7M-275.2M-3.1M0.505.3514,9107,48472,939114,058
2018-11-28$230.10$230.0022.5%7.0%24.4%44.8%25.7%3.0%-0.6%47.8M-637.5M-3.2M0.625.0114,3368,94379,199115,311
2018-11-29$231.30$230.0022.6%7.1%24.3%45.5%24.6%3.0%-0.8%57.2M-717.1M-3.2M0.588.0312,0957,05081,816117,442
2018-11-30$231.47$230.0022.5%7.1%24.3%44.8%26.2%3.1%-0.8%53.7M-726.3M-3.2M0.577.4211,9156,80784,829117,895