COST Options History — December 2023

In December 2023, COST traded between $594.89 and $681.08. ATM implied volatility averaged 18.3%, placing in the 28.9% IV rank vs the trailing year. The 30-day expected move averaged 5.2%. IV traded below realized volatility by 1.9% (HV 20d: 20.2%). Max pain ranged from $550.00 to $600.00. Net GEX was positive for 19 of 20 trading days. Term structure was in contango for 7 of 20 days. Put/call ratio averaged 0.78.

Notable Days

  • 2023-12-15: Highest Volume — 203,638 contracts
  • 2023-12-15: Largest IV drop — 21.3% change
  • 2023-12-14: Highest IV Rank — 52.6%
  • 2023-12-01: Largest Expected Move — 6.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$641.72$594.89$681.08$594.89$659.71
Max Pain$573.63$550.00$600.00$572.50$585.00
ATM IV18.3%16.3%21.3%18.4%16.4%
Expected Move5.2%4.5%6.3%6.3%4.6%
HV 20d20.2%17.1%23.9%18.4%23.9%
HV 60d18.9%17.2%20.8%17.4%20.3%
IV Rank28.9%18.6%52.6%25.3%18.9%
IV Percentile28.6%13.9%57.1%27.4%14.3%
Term Structure-0.1%-1.0%1.1%-0.3%0.6%
VWIV18.8%16.4%22.3%22.3%16.4%
Skew 25d1.5%0.6%2.2%2.1%1.7%
Skew 10d3.3%1.4%4.6%4.1%4.0%
Call IV 25d17.9%15.8%21.2%17.7%15.8%
Put IV 25d19.3%17.5%22.3%19.8%17.5%
Bid-Ask Spread %9.636.9320.647.218.35
Gamma HHI0.110.050.480.130.48
Net GEX114.6M-291.6M316.5M167.2M-291.6M
Net DEX-3.40B-5.13B-2.11B-2.11B-4.19B
Net VEX-12.8M-19.8M-5.5M-11.5M-19.8M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.780.461.270.481.27
Total Volume60,869.529,702203,63836,56336,436
Total OI263,434.85196,537362,011228,458362,011

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2023-12-01$594.89$572.5018.4%6.3%18.4%25.3%22.3%2.1%-0.3%167.2M-2.11B-11.5M0.487.2124,75211,811100,135128,323
2023-12-04$598.23$550.0018.8%5.1%18.3%27.1%18.6%2.2%-0.2%127.5M-2.18B-11.4M0.8310.6717,72414,70293,161120,019
2023-12-05$605.23$550.0019.4%5.3%18.2%30.3%19.6%1.8%-0.3%165.5M-2.50B-11.8M0.6310.3937,19823,45197,405128,447
2023-12-06$607.75$555.0019.2%5.3%18.2%29.4%19.0%2.0%-0.4%155.0M-2.60B-11.9M0.578.6219,04110,83697,985133,274
2023-12-07$611.47$560.0019.2%5.3%17.9%29.4%19.4%1.8%-0.4%170.1M-2.80B-11.8M0.658.4424,43515,97299,938137,045
2023-12-08$612.17$560.0018.9%5.2%17.6%27.6%18.7%1.8%-0.3%149.6M-2.80B-11.7M1.048.2014,59015,112101,898143,565
2023-12-11$624.15$560.0019.4%5.3%17.1%32.8%19.4%1.8%-0.6%105.1M-3.06B-11.2M1.028.0222,19222,64291,797128,085
2023-12-12$628.01$560.0019.2%5.3%17.1%38.1%19.5%1.5%-0.7%101.7M-3.17B-11.5M1.059.3217,23818,12897,013136,433
2023-12-13$641.10$565.0019.2%5.2%17.2%38.1%19.0%1.4%-0.9%111.2M-3.80B-11.3M0.8914.3127,46824,507101,413143,111
2023-12-14$631.95$570.0021.3%5.8%18.3%52.6%20.8%1.1%-1.0%75.0M-3.16B-12.6M0.879.7545,04039,207107,881150,043
2023-12-15$659.81$575.0016.7%4.7%18.9%21.4%17.6%0.6%-0.5%316.5M-5.13B-11.5M0.4820.64137,81665,822127,537165,352
2023-12-18$681.08$580.0018.1%5.2%20.5%30.8%19.0%0.9%-0.1%186.5M-4.99B-12.1M0.718.1773,49751,966110,990136,846
2023-12-19$675.97$580.0017.9%5.1%21.2%29.3%18.9%0.8%0.2%169.0M-4.48B-14.2M0.7810.5049,72738,755130,133159,703
2023-12-20$663.28$590.0018.1%5.2%23.2%30.4%19.0%1.3%-0.1%70.9M-3.23B-15.5M0.7311.2948,53435,397138,588169,209
2023-12-21$664.63$590.0018.1%5.2%23.2%30.6%18.8%1.3%0.1%112.4M-3.45B-15.6M0.469.2536,55516,695149,140172,750
2023-12-22$671.64$590.0017.1%4.9%23.2%23.7%18.1%0.8%0.3%199.4M-4.21B-15.2M0.537.8742,53322,706150,893176,199
2023-12-26$674.24$595.0017.1%4.9%23.3%24.0%18.4%1.2%0.5%114.7M-3.98B-14.9M0.897.1919,15916,956128,143152,449
2023-12-27$665.84$600.0016.6%4.7%23.9%20.5%17.1%1.5%1.1%11.2M-2.20B-5.5M0.856.9323,24419,75681,051115,486
2023-12-28$663.25$585.0016.3%4.5%23.6%18.6%16.9%1.6%0.6%74.5M-3.89B-14.4M0.907.4518,79816,992137,138168,108
2023-12-29$659.71$585.0016.4%4.6%23.9%18.9%16.4%1.7%0.6%-291.6M-4.19B-19.8M1.278.3516,05120,385164,460197,551