COST Options History — March 2019

In March 2019, COST traded between $216.62 and $241.80. ATM implied volatility averaged 17.6%, placing in the 18.6% IV rank vs the trailing year. The 30-day expected move averaged 5.6%. IV traded below realized volatility by 1.0% (HV 20d: 18.6%). Max pain ranged from $210.00 to $220.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 7 of 21 days. Put/call ratio averaged 0.76.

Notable Days

  • 2019-03-08: Highest Volume — 88,564 contracts
  • 2019-03-08: Largest IV drop — 28.7% change
  • 2019-03-07: Highest IV Rank — 59.9%
  • 2019-03-07: Largest Expected Move — 10.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$232.21$216.62$241.80$219.71$241.80
Max Pain$217.98$210.00$220.00$212.50$220.00
ATM IV17.6%15.0%24.8%24.1%15.2%
Expected Move5.6%4.3%10.3%8.4%4.7%
HV 20d18.6%11.7%21.2%11.8%20.7%
HV 60d21.7%15.8%28.2%27.5%15.8%
IV Rank18.6%3.8%59.9%55.7%4.8%
IV Percentile29.0%4.4%89.3%85.7%7.5%
Term Structure-0.1%-1.3%1.0%-1.3%-0.1%
VWIV20.1%15.7%36.4%29.8%16.4%
Skew 25d2.8%2.3%4.2%4.2%3.0%
Skew 10d6.0%4.6%9.7%9.7%5.6%
Call IV 25d16.4%14.0%23.7%23.1%14.1%
Put IV 25d19.2%16.5%27.3%27.3%17.0%
Bid-Ask Spread %4.783.016.956.553.50
Gamma HHI0.210.090.440.200.21
Net GEX41.9M12.3M180.0M30.1M37.1M
Net DEX-645.2M-1.03B-200.8M-341.8M-773.1M
Net VEX-3.5M-3.7M-3.2M-3.5M-3.5M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.760.521.150.930.55
Total Volume20,863.1436,30388,56422,07212,023
Total OI146,778.381129,266173,084133,272147,247

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2019-03-01$219.71$212.5024.1%8.4%11.8%55.7%29.8%4.2%-1.3%30.1M-341.8M-3.5M0.936.5511,43310,63963,58469,688
2019-03-04$218.21$215.0023.4%8.8%11.7%51.5%30.6%3.8%-0.9%12.4M-233.7M-3.5M1.124.798,1629,16760,45868,808
2019-03-05$219.83$215.0021.9%8.3%11.8%42.9%29.2%3.0%-0.4%18.3M-297.4M-3.5M0.784.719,2167,18864,47773,088
2019-03-06$219.26$215.0022.1%8.7%12.0%44.7%30.5%2.8%-0.6%19.0M-296.9M-3.6M0.733.599,8447,22567,35075,296
2019-03-07$216.62$215.0024.8%10.3%12.9%59.9%36.4%3.3%-0.6%12.3M-200.8M-3.7M0.786.2727,11321,15671,22677,319
2019-03-08$227.65$215.0017.7%4.6%20.7%19.2%16.7%3.4%1.0%180.0M-883.3M-3.5M0.683.9052,84535,71984,92488,160
2019-03-11$229.84$210.0015.8%4.6%20.2%8.2%16.7%3.1%-0.1%78.1M-744.2M-3.4M0.706.6114,43010,09073,08978,536
2019-03-12$233.36$220.0015.2%4.7%20.5%5.0%16.2%2.4%0.4%65.0M-925.3M-3.3M0.524.7615,9088,35073,05780,790
2019-03-13$236.63$220.0015.2%4.3%20.4%4.9%15.8%2.4%-0.6%48.3M-1.03B-3.2M0.733.3515,01610,95972,97482,644
2019-03-14$234.23$220.0015.2%4.6%21.2%5.2%16.0%2.4%0.5%35.5M-873.3M-3.2M0.923.789,0698,32872,60485,733
2019-03-15$234.59$220.0015.4%4.6%21.2%6.2%16.3%3.0%0.4%40.1M-859.5M-3.4M0.596.8416,3149,54573,33088,571
2019-03-18$236.29$220.0015.0%4.3%21.0%3.8%17.6%2.5%-0.4%32.5M-646.5M-3.4M0.623.017,3764,59762,65775,088
2019-03-19$236.67$220.0015.1%4.4%20.9%4.5%15.7%2.3%-0.2%34.0M-660.8M-3.5M0.664.156,4014,22264,71277,044
2019-03-20$237.24$220.0015.5%4.5%20.5%6.6%16.7%2.3%-0.1%35.8M-682.2M-3.5M0.784.545,7004,46465,59978,476
2019-03-21$239.62$220.0015.0%4.5%20.0%4.1%16.1%2.3%-0.0%47.8M-771.6M-3.4M1.133.265,0745,75666,06379,468
2019-03-22$238.04$220.0016.9%4.8%20.5%14.9%17.4%2.7%-0.5%32.7M-686.2M-3.6M1.156.958,6499,92566,68881,649
2019-03-25$237.19$220.0017.4%4.9%20.7%17.5%17.4%2.8%0.0%21.2M-576.5M-3.7M0.814.623,4812,82262,98077,951
2019-03-26$238.53$220.0016.9%4.8%20.7%14.7%17.2%2.6%-0.0%27.4M-637.3M-3.7M0.725.415,2173,75664,11878,471
2019-03-27$239.59$220.0016.0%4.8%20.6%9.4%17.1%2.5%0.2%30.9M-671.6M-3.6M0.575.064,4542,56064,69578,806
2019-03-28$241.45$220.0015.5%4.8%20.6%6.9%17.0%2.6%0.2%41.9M-754.5M-3.6M0.554.839,0004,93365,47179,457
2019-03-29$241.80$220.0015.2%4.7%20.7%4.8%16.4%3.0%-0.1%37.1M-773.1M-3.5M0.553.507,7334,29066,46180,786