COR Options History — December 2025

In December 2025, COR traded between $334.10 and $361.33. ATM implied volatility averaged 24.3%, placing in the 24.8% IV rank vs the trailing year. The 30-day expected move averaged 6.9%. IV traded below realized volatility by 0.8% (HV 20d: 25.0%). Max pain ranged from $240.00 to $360.00. Net GEX was positive for 19 of 22 trading days. Term structure was in contango for 20 of 22 days. Put/call ratio averaged 0.89.

Notable Days

  • 2025-12-03: Highest Volume — 5,050 contracts
  • 2025-12-09: Largest IV drop — 12.9% change
  • 2025-12-08: Highest IV Rank — 42.4%
  • 2025-12-03: Largest Expected Move — 8.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$342.06$334.10$361.33$361.33$339.57
Max Pain$256.36$240.00$360.00$360.00$240.00
ATM IV24.3%21.0%28.9%24.9%22.2%
Expected Move6.9%6.0%8.0%7.2%6.4%
HV 20d25.0%18.2%27.1%18.2%22.2%
HV 60d22.0%19.6%24.5%21.3%19.6%
IV Rank24.8%12.5%42.4%28.6%14.9%
IV Percentile49.1%15.9%83.3%61.1%28.2%
Term Structure1.7%-1.4%5.0%0.8%2.6%
VWIV23.9%20.6%28.1%23.9%23.1%
Skew 25d2.7%1.6%5.0%2.3%2.9%
Skew 10d6.4%-0.6%12.6%6.9%6.2%
Call IV 25d23.1%20.6%26.5%23.1%20.7%
Put IV 25d25.8%23.5%28.8%25.5%23.6%
Bid-Ask Spread %89.1978.4392.8785.5592.52
Gamma HHI0.280.130.650.230.16
Net GEX5.6M-3.4M18.1M-1.3M3.5M
Net DEX-469.0M-541.9M-366.3M-511.8M-468.3M
Net VEX-690.3K-790.0K-584.8K-704.6K-584.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.890.026.060.611.30
Total Volume928855,050238147
Total OI33,893.63630,00336,21634,69830,387

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-12-01$361.33$360.0024.9%7.2%18.2%28.6%23.9%2.3%0.8%-1.3M-511.8M-704.6K0.6185.55N/AN/A1489019,76914,929
2025-12-02$350.55$360.0024.8%7.1%21.7%28.2%27.2%2.9%-0.3%-3.4M-447.2M-741.9K6.0682.77N/AN/A5093,08519,83114,960
2025-12-03$334.10$360.0027.9%8.0%27.1%38.7%24.8%2.2%-1.4%-2.2M-366.3M-776.6K1.6778.43N/AN/A1,8913,15919,90015,282
2025-12-04$335.36$240.0028.3%7.7%26.3%40.1%27.2%2.9%0.0%3.5M-420.1M-771.8K0.0587.63N/AN/A3,38816421,45513,301
2025-12-05$339.88$240.0026.5%7.6%25.0%33.5%25.1%5.0%0.1%6.0M-460.8M-790.0K0.4788.30N/AN/A582722,20013,324
2025-12-08$337.74$240.0028.9%7.3%25.0%42.4%28.1%3.2%0.2%6.1M-447.0M-770.1K0.8589.14N/AN/A13611522,23113,326
2025-12-09$338.24$240.0025.2%6.9%24.3%28.0%23.5%2.2%0.1%6.5M-457.0M-710.8K3.8490.14N/AN/A10339622,25613,339
2025-12-10$340.53$240.0025.9%7.4%24.5%30.7%25.6%3.1%1.1%6.4M-463.3M-758.5K0.1490.67N/AN/A1371922,30813,673
2025-12-11$342.55$240.0024.9%7.1%24.7%26.8%24.4%1.7%1.5%7.4M-487.1M-728.9K0.2389.39N/AN/A2024622,42813,674
2025-12-12$346.06$240.0023.8%6.8%25.2%22.8%25.5%2.5%1.4%9.1M-506.4M-699.7K0.0290.66N/AN/A8051622,46113,678
2025-12-15$350.77$240.0026.3%7.5%25.8%31.9%26.8%3.9%0.7%7.0M-541.9M-681.7K0.1188.46N/AN/A1511722,53013,678
2025-12-16$341.89$240.0024.0%6.9%27.0%23.5%24.1%2.1%1.7%10.8M-478.7M-688.7K1.2789.89N/AN/A9011422,53613,680
2025-12-17$342.91$240.0025.1%7.2%27.0%27.5%24.0%3.0%1.3%11.8M-490.9M-680.6K0.0288.11N/AN/A8581722,57413,540
2025-12-18$340.26$240.0022.8%6.5%27.1%19.1%20.6%2.3%2.3%11.9M-474.0M-658.7K0.9990.37N/AN/A1,2751,25622,34513,259
2025-12-19$341.74$240.0023.3%6.7%27.1%20.9%20.8%2.7%1.3%18.1M-504.7M-659.1K0.1091.98N/AN/A8138222,52713,033
2025-12-22$339.49$240.0021.0%6.0%26.6%12.5%21.5%1.6%4.2%3.4M-460.1M-642.1K0.2292.87N/AN/A2916318,06611,937
2025-12-23$340.13$240.0022.3%6.4%26.2%17.2%22.5%2.3%2.4%3.8M-462.9M-653.8K0.7790.77N/AN/A655018,23111,946
2025-12-24$340.90$240.0021.7%6.2%25.4%15.3%22.7%1.9%4.3%3.7M-469.4M-633.1K0.1291.31N/AN/A911118,24411,957
2025-12-26$340.87$240.0021.2%6.1%25.1%13.2%21.7%3.6%3.8%3.9M-466.2M-634.4K0.2891.63N/AN/A992818,31711,959
2025-12-29$339.51$240.0021.4%6.1%25.1%14.2%22.0%2.5%5.0%4.0M-464.1M-617.3K0.2790.13N/AN/A1323618,35111,967
2025-12-30$340.98$240.0021.8%6.3%24.4%15.6%21.7%2.2%4.1%3.7M-470.3M-599.2K0.1091.57N/AN/A2152118,29011,981
2025-12-31$339.57$240.0022.2%6.4%22.2%14.9%23.1%2.9%2.6%3.5M-468.3M-584.8K1.3092.52N/AN/A648318,39911,988