COST Options History — March 2025

In March 2025, COST traded between $892.04 and $1046.10. ATM implied volatility averaged 25.1%, placing in the 59.1% IV rank vs the trailing year. The 30-day expected move averaged 7.8%. IV traded below realized volatility by 4.2% (HV 20d: 29.4%). Max pain ranged from $900.00 to $970.00. Net GEX was positive for 6 of 21 trading days. Term structure was in contango for 6 of 21 days. Put/call ratio averaged 1.12.

Notable Days

  • 2025-03-07: Highest Volume — 159,779 contracts
  • 2025-03-07: Largest IV drop — 18.5% change
  • 2025-03-06: Highest IV Rank — 91.8%
  • 2025-03-06: Largest Expected Move — 10.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$944.66$892.04$1046.10$1043.62$946.54
Max Pain$930.75$900.00$970.00$960.00$910.00
ATM IV25.1%20.4%31.2%29.8%23.0%
Expected Move7.8%6.1%10.5%9.6%6.7%
HV 20d29.4%17.5%34.2%19.7%34.2%
HV 60d22.7%16.9%24.9%16.9%24.8%
IV Rank59.1%30.9%91.8%84.0%47.3%
IV Percentile70.9%36.1%99.2%98.4%54.8%
Term Structure-0.3%-1.3%0.5%-1.1%0.1%
VWIV27.9%22.2%37.6%34.1%24.2%
Skew 25d3.2%2.0%4.3%2.0%3.5%
Skew 10d6.0%-5.4%10.1%4.9%6.4%
Call IV 25d23.7%19.1%30.4%28.6%21.5%
Put IV 25d26.9%22.0%33.0%30.6%25.0%
Bid-Ask Spread %41.944.7665.1858.0312.41
Gamma HHI0.040.020.080.030.03
Net GEX-75.6M-252.8M108.1M65.8M18.7M
Net DEX-439.4M-3.96B2.54B-3.79B-1.40B
Net VEX-27.3M-28.5M-25.5M-26.4M-27.9M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.120.531.810.730.95
Total Volume46,929.14324,337159,77932,50430,469
Total OI268,314.714235,263293,834249,093240,319

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-03-03$1043.62$960.0029.8%9.6%19.7%84.0%34.1%2.0%-1.1%65.8M-3.79B-26.4M0.7358.0318,81113,693107,961141,132
2025-03-04$1040.62$965.0029.9%9.8%18.2%84.4%35.2%3.2%-0.7%42.5M-3.60B-25.5M0.5359.3425,02313,185109,521146,116
2025-03-05$1046.10$960.0029.2%9.5%17.5%80.0%34.5%2.5%-0.4%46.8M-3.96B-25.7M0.6758.6718,45812,376112,441149,417
2025-03-06$1023.93$965.0031.2%10.5%17.9%91.8%37.6%2.6%-1.3%-16.4M-2.71B-26.9M1.5757.2220,90532,741115,394153,993
2025-03-07$959.20$970.0025.4%7.8%28.8%57.9%27.9%2.7%-0.1%-213.6M1.09B-26.2M1.3958.8666,94292,837124,423167,653
2025-03-10$933.90$960.0029.3%9.6%29.8%80.6%34.0%3.3%-0.5%-151.3M999.5M-27.5M1.0459.7630,31931,415114,288151,366
2025-03-11$933.12$955.0027.2%8.6%28.9%72.8%33.0%3.5%-0.5%-149.5M716.5M-27.9M1.4963.2118,61627,736121,268155,743
2025-03-12$928.60$950.0025.5%8.0%28.9%63.5%28.3%3.5%-0.3%-161.7M754.6M-27.6M0.9665.1814,13813,619125,232156,281
2025-03-13$892.04$945.0027.3%8.5%30.9%75.3%30.7%4.3%0.3%-252.8M2.54B-27.2M1.8163.5325,83146,798128,059157,783
2025-03-14$903.71$925.0024.5%7.2%30.9%56.9%25.8%3.9%0.5%-230.6M1.13B-27.5M1.1864.4832,04337,851134,092157,723
2025-03-17$920.60$900.0023.8%7.2%32.3%52.4%26.4%3.3%-0.5%-83.7M82.3M-27.1M0.9152.5115,86514,507122,254146,606
2025-03-18$900.21$900.0025.6%7.5%32.6%64.3%27.7%3.6%-0.5%-135.2M1.02B-27.5M1.5450.1911,06917,055126,512148,656
2025-03-19$907.05$900.0023.6%7.2%32.8%51.4%27.5%3.3%-0.2%-129.6M622.9M-27.5M1.0953.4215,50516,905128,365153,439
2025-03-20$897.86$0.0023.1%6.7%32.4%48.4%23.1%3.4%-0.3%-167.9M1.09B-27.6M1.7213.9213,73423,664132,440159,076
2025-03-21$908.75$900.0022.2%6.5%33.1%42.4%23.0%2.9%-0.4%-86.9M189.3M-28.0M1.484.7622,63833,482135,331158,503
2025-03-24$923.94$910.0020.8%6.3%33.9%33.3%22.2%2.9%0.5%-42.6M-374.6M-27.5M0.8816.1418,73416,539103,717131,546
2025-03-25$927.69$910.0020.4%6.1%33.4%30.9%22.2%2.8%0.3%-8.4M-624.6M-27.9M0.7518.3413,94610,391109,794135,855
2025-03-26$928.81$910.0021.9%6.5%33.4%40.6%23.0%2.8%-0.2%5.3M-732.2M-28.3M0.7820.3917,70513,887113,516138,963
2025-03-27$940.92$910.0021.1%6.3%33.9%35.2%22.3%3.7%0.1%108.1M-1.52B-28.1M0.8021.1119,22215,457116,114141,268
2025-03-28$930.66$910.0023.0%6.8%33.6%47.5%24.1%3.0%-0.3%-45.7M-745.9M-28.5M1.339.3622,09629,305118,360144,089
2025-03-31$946.54$910.0023.0%6.7%34.2%47.3%24.2%3.5%0.1%18.7M-1.40B-27.9M0.9512.4115,59414,875107,026133,293