COST Options History — March 2018

In March 2018, COST traded between $181.18 and $191.67. ATM implied volatility averaged 21.2%, placing in the 44.9% IV rank vs the trailing year. The 30-day expected move averaged 6.2%. IV traded above realized volatility by 0.2% (HV 20d: 21.0%). Max pain ranged from $180.00 to $185.00. Net GEX was positive for 13 of 21 trading days. Term structure was in contango for 12 of 21 days. Put/call ratio averaged 1.02.

Notable Days

  • 2018-03-07: Highest Volume — 56,599 contracts
  • 2018-03-08: Largest IV drop — 20.8% change
  • 2018-03-02: Highest IV Rank — 71.9%
  • 2018-03-01: Largest Expected Move — 9.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$186.68$181.18$191.67$189.02$187.90
Max Pain$184.52$180.00$185.00$185.00$185.00
ATM IV21.2%17.4%26.7%26.7%19.8%
Expected Move6.2%4.9%9.6%9.6%5.6%
HV 20d21.0%18.1%24.7%24.7%23.8%
HV 60d19.6%18.6%21.5%19.6%21.5%
IV Rank44.9%26.2%71.9%71.8%37.8%
IV Percentile77.4%50.0%98.0%98.0%73.4%
Term Structure-0.1%-1.7%0.6%-0.9%0.0%
VWIV22.0%17.9%33.9%33.9%20.2%
Skew 25d3.3%2.2%4.5%3.8%3.3%
Skew 10d6.8%5.2%8.2%6.1%6.7%
Call IV 25d20.0%16.3%26.2%26.0%18.4%
Put IV 25d23.3%18.6%30.0%29.8%21.7%
Bid-Ask Spread %7.743.5216.1610.6512.24
Gamma HHI0.090.060.140.090.08
Net GEX2.5M-19.2M17.5M5.2M10.7M
Net DEX-256.1M-486.5M49.4M-329.2M-342.2M
Net VEX-4.6M-5.0M-4.4M-4.9M-4.5M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.020.401.611.210.95
Total Volume19,485.85710,86456,59921,54912,713
Total OI210,657.81186,660244,224208,287198,468

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-03-01$189.02$185.0026.7%9.6%24.7%71.8%33.9%3.8%-0.9%5.2M-329.2M-4.9M1.2110.659,73011,81991,421116,866
2018-03-02$189.55$185.0026.7%9.2%24.6%71.9%32.5%3.7%-1.7%11.4M-337.7M-5.0M1.338.536,4908,60194,026120,552
2018-03-05$191.67$180.0025.7%7.0%24.6%66.7%24.7%3.4%-0.7%16.9M-486.5M-4.7M1.176.207,3018,53188,510116,292
2018-03-06$191.04$180.0025.0%6.8%19.9%63.2%23.7%3.3%-0.5%17.5M-456.1M-4.8M1.039.9510,41110,74590,989120,026
2018-03-07$187.42$185.0025.2%7.0%21.2%64.3%24.3%2.7%-0.4%7.1M-279.3M-5.0M0.6612.5634,00822,59195,855124,644
2018-03-08$185.47$185.0019.9%5.6%21.5%38.6%20.2%2.9%0.3%-5.7M-171.6M-4.6M0.715.0727,89219,853108,235132,743
2018-03-09$188.28$185.0017.4%4.9%20.3%26.2%18.0%2.3%0.4%13.2M-412.6M-4.6M0.764.8716,19012,353109,418134,806
2018-03-12$189.73$185.0017.8%5.2%20.3%28.0%18.8%2.9%0.2%17.5M-440.8M-4.5M0.755.6710,5327,93696,971122,894
2018-03-13$187.40$185.0018.9%5.6%21.0%33.4%19.1%2.9%0.6%1.5M-297.0M-4.6M0.405.3915,1136,08297,964123,744
2018-03-14$184.64$185.0019.3%5.5%20.8%35.5%19.6%3.0%-0.0%-9.8M-131.7M-4.6M1.615.729,40515,115100,622125,025
2018-03-15$185.57$185.0018.7%5.3%20.0%32.7%19.3%2.7%0.0%-19.2M-162.2M-4.5M0.994.816,1086,065102,063128,675
2018-03-16$185.79$185.0017.4%5.0%18.3%26.3%17.9%2.2%0.1%1.1M-218.3M-4.5M1.086.556,7207,230102,376128,766
2018-03-19$184.39$185.0019.3%5.5%18.4%35.4%19.8%3.3%0.2%-2.4M-166.0M-4.5M1.128.675,3505,98375,709110,951
2018-03-20$187.48$185.0018.7%5.4%18.5%32.7%19.3%3.1%0.3%5.2M-312.7M-4.4M0.953.526,2115,93076,505112,942
2018-03-21$186.34$185.0019.0%5.4%18.1%34.1%20.5%3.5%0.0%2.8M-255.1M-4.5M1.327.384,8676,42877,958114,268
2018-03-22$182.84$185.0021.9%6.3%19.2%48.2%21.4%3.8%-0.3%-11.0M-74.1M-4.6M1.1916.166,9878,33978,983115,961
2018-03-23$181.18$185.0022.8%6.5%18.4%52.8%22.3%4.0%0.0%-7.7M49.4M-4.7M1.536.475,5658,51681,908119,405
2018-03-26$187.47$185.0020.5%5.9%21.7%41.6%20.9%3.7%-0.0%6.1M-310.7M-4.5M0.785.696,2464,86479,202115,181
2018-03-27$183.13$185.0022.5%6.5%22.9%51.3%22.3%3.8%-0.3%-4.8M-103.2M-4.6M1.157.845,0565,80879,755115,717
2018-03-28$184.04$185.0022.2%6.4%22.9%49.7%22.7%4.5%0.1%-3.1M-140.8M-4.6M0.748.617,7705,74981,059116,359
2018-03-29$187.90$185.0019.8%5.6%23.8%37.8%20.2%3.3%0.0%10.7M-342.2M-4.5M0.9512.246,5276,18680,798117,670