COR Options History — March 2026

In March 2026, COR traded between $310.10 and $374.20. ATM implied volatility averaged 29.2%, placing in the 38.4% IV rank vs the trailing year. The 30-day expected move averaged 8.4%. IV traded above realized volatility by 1.7% (HV 20d: 27.5%). Max pain ranged from $310.00 to $360.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 19 of 22 days. Put/call ratio averaged 2.63.

Notable Days

  • 2026-03-03: Highest Volume — 2,018 contracts
  • 2026-03-27: Largest IV spike — 7.8% change
  • 2026-03-30: Highest IV Rank — 51.8%
  • 2026-03-30: Largest Expected Move — 9.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$340.78$310.10$374.20$374.20$313.86
Max Pain$330.00$310.00$360.00$320.00$320.00
ATM IV29.2%27.1%32.6%27.6%31.5%
Expected Move8.4%7.8%9.3%7.9%9.0%
HV 20d27.5%18.7%47.4%47.4%25.5%
HV 60d31.5%29.9%33.3%31.6%33.3%
IV Rank38.4%30.3%51.8%32.1%47.4%
IV Percentile77.1%63.9%92.9%68.7%90.1%
Term Structure1.4%-1.0%3.3%-1.0%1.2%
VWIV29.0%25.2%34.0%29.1%29.9%
Skew 25d5.2%2.8%6.9%4.1%5.1%
Skew 10d11.0%4.7%16.8%10.9%11.7%
Call IV 25d26.9%25.2%30.1%25.5%28.3%
Put IV 25d32.1%29.7%35.1%29.7%33.4%
Bid-Ask Spread %42.6912.1188.2186.1314.08
Gamma HHI0.090.070.130.130.07
Net GEX3.1M1.3M6.4M6.4M1.5M
Net DEX-58.9M-196.5M18.9M-196.5M6.8M
Net VEX-1.0M-1.2M-888.1K-921.7K-902.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio2.630.0643.840.070.39
Total Volume532.682852,0181,025334
Total OI15,962.54514,17118,35814,43115,218

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-03-02$374.20$320.0027.6%7.9%47.4%32.1%29.1%4.1%-1.0%6.4M-196.5M-921.7K0.0786.13N/AN/A954719,6514,780
2026-03-03$372.70$320.0028.6%8.2%47.3%36.3%29.3%5.0%-0.2%5.8M-182.4M-925.5K43.8486.42N/AN/A451,9739,3714,800
2026-03-04$370.11$320.0027.1%7.8%47.3%30.3%28.8%4.1%-0.1%4.6M-137.8M-1.2M0.2188.21N/AN/A94209,3666,741
2026-03-05$358.90$350.0028.2%7.8%33.5%34.5%28.4%4.9%2.7%3.8M-97.0M-1.1M0.3271.74N/AN/A3951279,4326,756
2026-03-06$357.75$350.0027.7%8.3%24.2%32.6%26.3%5.5%1.1%3.9M-95.4M-1.1M0.2974.37N/AN/A69209,5146,806
2026-03-09$361.76$350.0029.5%8.2%23.5%39.6%29.5%6.0%1.6%4.1M-105.6M-1.1M3.0574.78N/AN/A21649,5416,821
2026-03-10$353.81$350.0029.1%7.9%24.2%38.2%25.2%4.8%2.3%3.5M-83.2M-1.1M0.0774.64N/AN/A338259,5366,850
2026-03-11$351.14$350.0027.9%8.0%23.9%33.6%26.1%5.4%2.1%3.6M-78.1M-1.1M1.0874.74N/AN/A71779,8386,857
2026-03-12$353.44$350.0028.5%8.2%23.2%35.9%28.1%2.8%3.3%3.9M-89.9M-1.1M1.1628.55N/AN/A45529,8716,852
2026-03-13$348.98$360.0029.3%8.5%20.3%38.7%29.6%5.2%1.4%3.3M-72.5M-1.1M0.1120.74N/AN/A292339,8866,879
2026-03-16$346.70$350.0028.9%8.3%18.7%37.3%28.0%4.4%1.3%3.2M-67.4M-1.1M0.7020.38N/AN/A1057410,0416,902
2026-03-17$335.56$350.0027.9%8.0%21.5%33.4%29.1%5.4%1.4%2.5M-26.9M-982.7K0.3212.11N/AN/A83526310,0746,895
2026-03-18$325.53$330.0028.2%8.1%23.5%34.6%30.1%6.6%2.1%2.2M-7.3M-944.5K0.3428.19N/AN/A1,03434710,4266,919
2026-03-19$331.12$310.0029.4%8.4%24.8%39.3%27.4%6.1%1.7%3.0M-33.2M-1.0M0.0621.92N/AN/A9165510,8807,042
2026-03-20$328.46$310.0030.0%8.7%24.6%41.7%27.5%5.6%1.0%2.2M-23.4M-1.0M0.1522.02N/AN/A1,01214711,1867,172
2026-03-23$321.12$310.0030.0%8.9%24.1%41.7%28.3%6.9%0.6%2.1M-6.6M-965.4K0.3823.71N/AN/A159618,8295,475
2026-03-24$327.34$310.0029.9%8.5%25.8%41.3%34.0%5.7%1.1%2.5M-18.1M-992.3K0.8928.17N/AN/A2272038,9435,513
2026-03-25$325.59$310.0028.8%8.4%25.8%36.9%29.9%5.3%1.3%2.5M-17.2M-997.0K0.9224.83N/AN/A1311219,0725,564
2026-03-26$318.00$310.0029.5%8.5%26.1%39.7%30.5%4.7%2.2%2.0M936.1K-938.0K0.9720.11N/AN/A87849,1835,639
2026-03-27$310.92$310.0031.8%9.1%24.7%48.6%30.9%6.0%1.3%1.5M16.1M-890.5K1.9420.62N/AN/A1603119,2305,692
2026-03-30$310.10$320.0032.6%9.3%24.4%51.8%32.4%5.0%1.9%1.3M18.9M-888.1K0.5422.81N/AN/A173949,3355,798
2026-03-31$313.86$320.0031.5%9.0%25.5%47.4%29.9%5.1%1.2%1.5M6.8M-902.2K0.3914.08N/AN/A241939,4745,744