COST Options History — February 2018

In February 2018, COST traded between $179.64 and $193.33. ATM implied volatility averaged 25.2%, placing in the 71.8% IV rank vs the trailing year. The 30-day expected move averaged 7.4%. IV traded above realized volatility by 3.1% (HV 20d: 22.1%). Max pain ranged from $185.00 to $190.00. Net GEX was positive for 10 of 19 trading days. Term structure was in contango for 2 of 19 days. Put/call ratio averaged 1.26.

Notable Days

  • 2018-02-15: Highest Volume — 24,980 contracts
  • 2018-02-05: Largest IV spike — 26.3% change
  • 2018-02-05: Highest IV Rank — 100.0%
  • 2018-02-09: Largest Expected Move — 8.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$187.28$179.64$193.33$193.33$191.44
Max Pain$185.79$185.00$190.00$190.00$185.00
ATM IV25.2%19.2%32.5%19.2%25.6%
Expected Move7.4%6.3%8.8%6.3%8.5%
HV 20d22.1%15.6%25.0%15.6%25.0%
HV 60d19.9%17.5%21.1%17.5%19.4%
IV Rank71.8%48.0%100.0%61.5%66.5%
IV Percentile96.1%77.0%100.0%77.0%96.8%
Term Structure-0.6%-1.9%4.8%4.6%-1.5%
VWIV26.5%22.3%31.6%22.7%30.1%
Skew 25d3.4%1.6%7.6%1.6%3.0%
Skew 10d7.0%2.2%16.6%2.2%5.9%
Call IV 25d24.0%18.2%30.9%18.2%24.8%
Put IV 25d27.4%19.8%38.5%19.8%27.7%
Bid-Ask Spread %9.705.0431.1413.679.66
Gamma HHI0.090.060.140.110.11
Net GEX1.8M-18.9M15.1M11.4M10.5M
Net DEX-225.2M-529.2M218.5M-497.9M-447.6M
Net VEX-4.7M-5.0M-4.4M-4.6M-4.8M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.260.572.181.220.87
Total Volume17,705.7899,99224,98014,27717,581
Total OI194,673.263185,393203,948192,671203,118

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-02-01$193.33$190.0019.2%6.3%15.6%61.5%22.7%1.6%4.6%11.4M-497.9M-4.6M1.2213.676,4307,84788,695103,976
2018-02-02$191.00$190.0020.9%6.6%15.9%76.0%23.5%2.3%4.8%8.0M-339.1M-4.7M1.256.958,27310,36989,179105,628
2018-02-05$183.73$190.0026.4%7.7%21.1%100.0%26.9%1.8%-1.0%-4.8M-16.4M-4.9M1.3831.147,73210,63484,795101,721
2018-02-06$184.73$185.0028.0%7.8%21.1%100.0%27.9%3.3%-1.3%-6.7M-45.4M-4.9M1.175.979,58711,21485,630103,305
2018-02-07$183.68$185.0028.2%7.5%20.7%100.0%27.2%3.1%-1.9%-7.6M-5.1M-4.8M2.017.747,71515,50687,231104,632
2018-02-08$179.64$185.0031.1%8.5%22.1%100.0%31.3%4.7%-1.8%-18.9M218.5M-5.0M1.807.625,94410,67988,905109,208
2018-02-09$180.86$185.0032.5%8.8%20.8%100.0%31.6%7.6%-1.7%-6.2M146.2M-5.0M1.5110.058,59613,02389,310109,218
2018-02-12$181.02$185.0028.0%7.9%20.2%78.3%27.2%5.3%-1.0%-9.6M78.9M-4.8M1.3010.274,3425,65085,220104,657
2018-02-13$184.28$185.0025.6%7.3%21.5%66.6%26.3%4.7%-0.9%-6.8M-60.4M-4.8M1.107.915,7646,35685,807105,936
2018-02-14$187.45$185.0024.1%6.9%22.4%59.0%24.9%3.7%-1.5%-1.1M-231.2M-4.7M0.768.809,5967,32887,368107,755
2018-02-15$191.39$185.0022.8%6.6%23.7%52.8%22.3%3.3%-1.2%14.5M-460.0M-4.6M0.576.6515,8639,11787,132108,645
2018-02-16$191.86$185.0022.6%6.6%23.7%51.6%23.5%3.2%-1.0%15.1M-529.2M-4.6M0.807.9412,4029,93393,654110,294
2018-02-20$188.36$185.0024.2%7.1%24.1%59.3%25.0%3.0%-0.5%6.6M-320.4M-4.6M1.255.047,4999,41083,941101,452
2018-02-21$186.12$185.0026.3%7.8%24.4%69.6%29.1%3.5%-1.3%363.7K-220.0M-4.7M2.188.025,10411,12185,830104,553
2018-02-22$186.70$185.0024.5%7.4%24.4%61.1%26.4%2.8%-0.8%-2.0M-227.1M-4.7M1.309.725,5477,23586,590110,209
2018-02-23$189.67$185.0021.8%6.6%24.0%48.0%23.9%2.7%-0.5%6.7M-391.2M-4.4M0.9811.0410,0319,87187,881111,362
2018-02-26$192.54$185.0022.8%7.2%24.6%52.6%25.8%2.6%-1.2%15.1M-523.6M-4.5M1.2210.026,9828,53486,215110,387
2018-02-27$190.46$185.0024.7%8.0%24.9%61.8%28.0%2.9%-1.4%9.5M-408.1M-4.6M1.176.168,1089,48787,266112,087
2018-02-28$191.44$185.0025.6%8.5%25.0%66.5%30.1%3.0%-1.5%10.5M-447.6M-4.8M0.879.669,4018,18088,843114,275