COST Options History — April 2025

In April 2025, COST traded between $902.14 and $997.66. ATM implied volatility averaged 30.4%, placing in the 55.7% IV rank vs the trailing year. The 30-day expected move averaged 8.5%. IV traded below realized volatility by 4.0% (HV 20d: 34.4%). Max pain ranged from $910.00 to $955.00. Net GEX was positive for 14 of 21 trading days. Term structure was in contango for 8 of 21 days. Put/call ratio averaged 0.82.

Notable Days

  • 2025-04-04: Highest Volume — 90,703 contracts
  • 2025-04-04: Largest IV spike — 40.5% change
  • 2025-04-04: Highest IV Rank — 100.0%
  • 2025-04-08: Largest Expected Move — 12.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$963.74$902.14$997.66$952.53$992.08
Max Pain$938.57$910.00$955.00$910.00$955.00
ATM IV30.4%22.5%44.0%23.5%30.8%
Expected Move8.5%6.7%12.3%6.8%7.9%
HV 20d34.4%28.8%38.3%34.4%37.6%
HV 60d29.0%24.7%31.9%24.7%31.1%
IV Rank55.7%36.0%100.0%50.5%52.2%
IV Percentile90.3%52.4%100.0%59.1%97.2%
Term Structure0.3%-1.4%3.1%-0.0%-0.7%
VWIV31.5%23.7%44.1%23.7%28.1%
Skew 25d6.6%3.0%12.0%3.0%5.2%
Skew 10d14.7%6.8%25.2%6.9%9.2%
Call IV 25d27.5%21.1%37.9%22.1%28.6%
Put IV 25d34.1%24.5%49.6%25.1%33.8%
Bid-Ask Spread %38.067.0554.1611.9953.90
Gamma HHI0.040.020.240.030.04
Net GEX40.7M-152.0M356.8M54.1M135.1M
Net DEX-1.60B-3.79B1.28B-1.76B-2.70B
Net VEX-30.5M-33.2M-28.5M-28.5M-30.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.820.302.030.740.33
Total Volume49,109.76230,51690,70340,79842,607
Total OI271,776.667245,655300,660249,761273,081

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-04-01$952.53$910.0023.5%6.8%34.4%50.5%23.7%3.0%-0.0%54.1M-1.76B-28.5M0.7411.9923,47517,323112,013137,748
2025-04-02$965.69$910.0022.5%6.7%34.9%41.1%24.2%3.4%0.3%82.5M-2.27B-29.0M0.5813.5524,61814,231116,633147,670
2025-04-03$967.43$930.0027.0%7.8%34.3%72.0%27.7%5.0%-0.1%85.8M-2.24B-30.6M0.8710.7139,49434,178119,509152,287
2025-04-04$929.06$935.0038.0%10.2%29.0%100.0%37.5%9.6%-1.4%-152.0M596.2M-33.2M1.927.0531,07659,627125,759159,124
2025-04-07$906.09$935.0042.1%11.6%28.8%100.0%41.1%12.0%-1.3%-91.4M1.28B-32.5M1.618.4117,25927,851114,098147,337
2025-04-08$902.14$935.0044.0%12.3%28.9%100.0%44.1%11.7%-0.6%-79.2M1.23B-32.1M2.0326.6612,23224,859117,234148,114
2025-04-09$956.00$930.0028.0%7.9%35.7%41.8%30.4%6.6%-0.2%32.6M-1.60B-29.7M1.0541.9016,73217,534120,671151,642
2025-04-10$958.93$930.0036.5%10.3%32.2%72.8%38.2%9.4%-0.6%48.9M-1.67B-31.5M0.7342.2843,71031,703123,266152,426
2025-04-11$965.66$935.0030.1%8.6%32.0%49.7%33.6%8.0%-0.4%87.9M-2.00B-30.7M0.5936.0425,37914,913129,133159,380
2025-04-14$984.13$935.0027.4%7.8%32.1%39.7%31.0%7.0%0.1%85.4M-2.76B-29.2M0.7450.6331,11722,933119,012148,629
2025-04-15$975.77$940.0026.4%7.6%30.9%36.0%29.9%6.6%-0.4%69.1M-2.40B-29.1M0.5151.1438,49319,710125,480159,120
2025-04-16$963.49$940.0030.2%8.7%31.5%50.0%32.6%6.8%0.5%-9.1M-1.54B-30.9M0.8748.7820,51217,884132,138163,422
2025-04-17$997.66$940.0027.6%7.9%33.0%40.3%27.5%6.4%-0.5%356.8M-3.79B-30.2M0.5048.7752,00925,881133,994166,666
2025-04-21$952.42$945.0032.4%9.3%37.6%57.8%35.8%7.0%2.0%-41.9M-587.0M-30.9M1.0242.5925,73126,172108,498137,157
2025-04-22$978.04$940.0029.2%8.3%38.2%46.2%30.4%5.7%1.9%44.5M-1.88B-31.1M0.5548.9621,83312,111115,199146,228
2025-04-23$973.43$945.0028.8%8.4%38.3%44.9%31.6%5.4%3.1%7.2M-1.59B-30.8M0.9050.2916,04314,473116,552149,763
2025-04-24$974.32$955.0027.8%7.8%38.3%41.1%31.0%5.4%2.8%-4.9M-1.63B-30.6M0.4049.4430,31312,165120,612155,596
2025-04-25$974.32$955.0027.6%7.5%38.1%40.6%27.7%4.8%3.1%-428.7K-1.72B-30.2M0.5251.0625,56613,402126,958157,333
2025-04-28$978.89$955.0029.2%7.6%37.9%46.2%28.4%5.2%-1.0%23.0M-1.90B-29.9M0.4150.9923,7239,637109,129143,372
2025-04-29$990.40$955.0029.2%7.4%37.6%46.4%27.8%5.1%-0.7%121.6M-2.65B-29.4M0.3054.1640,56112,235117,768147,559
2025-04-30$992.08$955.0030.8%7.9%37.6%52.2%28.1%5.2%-0.7%135.1M-2.70B-30.2M0.3353.9031,92910,678123,944149,137