BX Options History — April 2026 In April 2026, BX traded between $112.85 and $114.53. ATM implied volatility averaged 49.7%, placing in the 47.4% IV rank vs the trailing year. The 30-day expected move averaged 14.2%. IV traded above realized volatility by 7.8% (HV 20d: 41.9%). Max pain ranged from $110.00 to $115.00. Net GEX was positive for 0 of 2 trading days. Term structure was in contango for 0 of 2 days. Put/call ratio averaged 1.11.
Notable Days 2026-04-02 : Highest Volume — 15,627 contracts2026-04-02 : Largest IV spike — 3.2% change2026-04-02 : Highest IV Rank — 49.0%2026-04-02 : Largest Expected Move — 14.5%Monthly Statistics Metric Avg Min Max Open Close Price $113.69 $112.85 $114.53 $114.53 $112.85 Max Pain $112.50 $110.00 $115.00 $110.00 $115.00 ATM IV 49.7% 48.9% 50.5% 48.9% 50.5% Expected Move 14.2% 14.0% 14.5% 14.0% 14.5% HV 20d 41.9% 41.5% 42.3% 42.3% 41.5% HV 60d 43.6% 43.4% 43.9% 43.9% 43.4% IV Rank 47.4% 45.9% 49.0% 45.9% 49.0% IV Percentile 91.5% 89.7% 93.3% 89.7% 93.3% Term Structure -1.2% -1.4% -1.0% -1.0% -1.4% VWIV 44.8% 43.2% 46.5% 43.2% 46.5% Skew 25d 10.8% 10.3% 11.3% 10.3% 11.3% Skew 10d 21.8% 21.7% 21.8% 21.7% 21.8% Call IV 25d 44.2% 44.2% 44.3% 44.2% 44.3% Put IV 25d 55.0% 54.5% 55.6% 54.5% 55.6% Bid-Ask Spread % 19.85 19.12 20.58 19.12 20.58 Gamma HHI 0.08 0.08 0.09 0.08 0.09 Net GEX -4.7M -5.6M -3.8M -3.8M -5.6M Net DEX 559.2M 527.3M 591.1M 527.3M 591.1M Net VEX -9.2M -9.3M -9.1M -9.3M -9.1M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 1.11 0.78 1.44 1.44 0.78 Total Volume 15,049 14,471 15,627 14,471 15,627 Total OI 400,270 399,220 401,320 399,220 401,320
Daily Data (2 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 2026-04-01 $114.53 $110.00 48.9% 14.0% 42.3% 45.9% 43.2% 10.3% -1.0% -3.8M 527.3M -9.3M 1.44 19.12 N/A N/A 5,943 8,528 150,393 248,827 2026-04-02 $112.85 $115.00 50.5% 14.5% 41.5% 49.0% 46.5% 11.3% -1.4% -5.6M 591.1M -9.1M 0.78 20.58 N/A N/A 8,767 6,860 151,885 249,435
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