COR Options History — May 2025 In May 2025, COR traded between $277.29 and $304.44. ATM implied volatility averaged 27.1%, placing in the 42.9% IV rank vs the trailing year. The 30-day expected move averaged 7.0%. IV traded below realized volatility by 3.8% (HV 20d: 30.9%). Max pain ranged from $260.00 to $270.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 11 of 21 days. Put/call ratio averaged 1.05.
Notable Days 2025-05-08 : Highest Volume — 15,232 contracts2025-05-08 : Largest IV spike — 41.6% change2025-05-08 : Highest IV Rank — 83.7%2025-05-02 : Largest Expected Move — 8.7%Monthly Statistics Metric Avg Min Max Open Close Price $289.40 $277.29 $304.44 $291.31 $291.91 Max Pain $265.24 $260.00 $270.00 $270.00 $270.00 ATM IV 27.1% 22.0% 39.7% 30.3% 22.0% Expected Move 7.0% 6.3% 8.7% 8.7% 6.3% HV 20d 30.9% 19.7% 34.9% 29.2% 32.5% HV 60d 26.2% 22.0% 27.9% 22.5% 26.9% IV Rank 42.9% 25.8% 83.7% 53.9% 25.8% IV Percentile 77.9% 54.0% 98.4% 94.8% 54.0% Term Structure -0.3% -5.6% 2.3% -5.6% 0.9% VWIV 24.2% 21.7% 30.7% 30.7% 21.7% Skew 25d 3.7% 2.4% 5.8% 5.7% 2.4% Skew 10d 7.9% 4.3% 11.6% 10.0% 8.8% Call IV 25d 22.4% 20.6% 27.3% 27.3% 21.4% Put IV 25d 26.1% 23.5% 33.0% 33.0% 23.8% Bid-Ask Spread % 86.67 83.62 91.72 86.99 89.69 Gamma HHI 0.20 0.15 0.26 0.16 0.25 Net GEX 8.2M 1.8M 10.5M 5.7M 10.1M Net DEX -404.0M -505.0M -293.3M -407.8M -431.7M Net VEX -1.5M -1.7M -1.4M -1.6M -1.5M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 1.05 0.02 6.21 0.92 0.31 Total Volume 2,374.714 100 15,232 280 102 Total OI 51,163.81 43,364 65,044 48,670 44,437
Daily Data (21 trading days) Date Price Max Pain ATM IV Exp Move HV 20d IV Rank VWIV Skew 25d Term Str GEX DEX VEX P/C Spread % Call Wall Put Wall Call Vol Put Vol Call OI Put OI 2025-05-01 $291.31 $270.00 30.3% 8.7% 29.2% 53.9% 30.7% 5.7% -5.6% 5.7M -407.8M -1.6M 0.92 86.99 N/A N/A 146 134 23,597 25,073 2025-05-02 $292.63 $270.00 30.4% 8.7% 25.3% 54.2% 30.2% 5.7% -5.6% 6.3M -421.7M -1.5M 0.13 84.07 N/A N/A 787 100 23,698 25,134 2025-05-05 $291.87 $260.00 32.7% 7.0% 21.4% 61.6% 22.2% 5.8% 0.6% 6.2M -422.5M -1.5M 0.73 86.58 N/A N/A 85 62 24,099 25,118 2025-05-06 $291.27 $260.00 35.0% 7.6% 19.7% 68.9% 25.6% 2.9% 0.3% 6.3M -418.7M -1.5M 4.28 90.99 N/A N/A 851 3,641 24,162 25,166 2025-05-07 $304.44 $260.00 28.1% 6.5% 24.2% 46.7% 24.4% 2.4% 2.2% 9.5M -505.0M -1.5M 6.21 85.07 N/A N/A 796 4,946 24,379 25,715 2025-05-08 $284.82 $260.00 39.7% 7.8% 34.9% 83.7% 25.9% 4.5% -1.3% 1.8M -333.1M -1.6M 0.14 91.72 N/A N/A 13,303 1,929 24,604 26,672 2025-05-09 $283.75 $260.00 34.6% 7.2% 33.7% 67.7% 23.5% 4.3% 1.3% 8.2M -352.0M -1.6M 0.23 83.62 N/A N/A 1,816 412 34,541 26,284 2025-05-12 $277.29 $260.00 31.9% 6.4% 33.0% 59.1% 22.5% 3.9% 2.3% 6.5M -293.3M -1.6M 0.26 86.51 N/A N/A 3,382 873 35,637 26,526 2025-05-13 $278.97 $260.00 30.4% 7.0% 33.1% 54.2% 24.8% 4.2% -0.2% 7.4M -316.1M -1.6M 0.36 86.80 N/A N/A 975 354 37,371 26,678 2025-05-14 $279.81 $260.00 24.1% 6.9% 33.1% 34.3% 23.9% 4.4% 1.8% 7.9M -323.7M -1.7M 0.31 85.08 N/A N/A 1,003 312 37,885 26,862 2025-05-15 $285.36 $260.00 22.3% 6.4% 33.9% 27.1% 23.1% 2.6% 1.1% 9.6M -394.7M -1.6M 0.02 85.28 N/A N/A 5,102 98 38,134 26,910 2025-05-16 $290.10 $260.00 22.9% 6.6% 34.1% 29.1% 23.1% 3.6% -0.3% 10.5M -430.2M -1.6M 0.55 85.84 N/A N/A 2,337 1,286 37,033 26,916 2025-05-19 $292.35 $270.00 22.2% 6.4% 33.1% 26.8% 23.8% 3.4% -0.5% 9.1M -436.6M -1.5M 0.09 85.80 N/A N/A 1,454 127 23,165 20,199 2025-05-20 $292.22 $270.00 22.9% 6.6% 32.6% 29.2% 22.4% 3.1% 0.0% 9.2M -432.3M -1.5M 0.09 84.73 N/A N/A 2,002 174 23,292 20,280 2025-05-21 $292.00 $270.00 23.9% 6.8% 32.5% 32.3% 24.1% 3.5% -0.7% 9.6M -434.6M -1.5M 1.00 86.50 N/A N/A 50 50 23,550 20,376 2025-05-22 $290.96 $270.00 22.6% 6.5% 32.5% 27.7% 23.1% 3.4% 0.7% 9.5M -422.8M -1.5M 1.11 86.15 N/A N/A 56 62 23,563 20,442 2025-05-23 $292.60 $270.00 23.1% 6.6% 32.4% 29.2% 24.6% 3.3% 0.4% 9.5M -432.2M -1.5M 1.86 86.09 N/A N/A 77 143 23,605 20,467 2025-05-27 $293.43 $270.00 22.4% 6.4% 32.3% 27.0% 21.8% 2.5% -0.0% 10.3M -444.2M -1.4M 0.23 84.89 N/A N/A 106 24 23,639 20,530 2025-05-28 $289.85 $270.00 23.9% 6.8% 32.5% 31.9% 25.2% 3.4% -1.5% 9.6M -413.6M -1.5M 2.52 89.08 N/A N/A 138 348 23,722 20,548 2025-05-29 $290.56 $270.00 23.5% 6.7% 32.5% 30.5% 22.6% 2.9% -1.9% 9.6M -416.4M -1.5M 0.75 88.47 N/A N/A 129 97 23,710 20,721 2025-05-30 $291.91 $270.00 22.0% 6.3% 32.5% 25.8% 21.7% 2.4% 0.9% 10.1M -431.7M -1.5M 0.31 89.69 N/A N/A 78 24 23,677 20,760
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