BX Options History — March 2026 In March 2026, BX traded between $102.09 and $115.56. ATM implied volatility averaged 49.8%, placing in the 47.7% IV rank vs the trailing year. The 30-day expected move averaged 14.6%. IV traded above realized volatility by 3.4% (HV 20d: 46.5%). Max pain ranged from $110.00 to $140.00. Net GEX was positive for 0 of 21 trading days. Term structure was in contango for 11 of 21 days. Put/call ratio averaged 2.77.
Notable Days 2026-03-12 : Highest Volume — 96,140 contracts2026-03-06 : Largest IV spike — 12.1% change2026-03-12 : Highest IV Rank — 59.0%2026-03-12 : Largest Expected Move — 17.3%Monthly Statistics Metric Avg Min Max Open Close Price $110.53 $102.09 $115.56 $115.22 $114.80 Max Pain $116.43 $110.00 $140.00 $140.00 $110.00 ATM IV 49.8% 45.5% 55.4% 47.2% 50.4% Expected Move 14.6% 13.2% 17.3% 14.0% 14.5% HV 20d 46.5% 42.4% 52.0% 49.6% 44.2% HV 60d 41.4% 38.8% 44.3% 39.0% 44.3% IV Rank 47.7% 39.0% 59.0% 42.4% 48.9% IV Percentile 94.1% 89.3% 98.0% 92.9% 93.3% Term Structure 0.2% -1.9% 2.5% -1.6% -1.4% VWIV 50.3% 46.9% 55.3% 51.0% 47.5% Skew 25d 10.0% 7.5% 13.8% 7.5% 10.1% Skew 10d 19.6% 11.5% 28.0% 17.3% 22.0% Call IV 25d 44.8% 40.9% 49.6% 43.1% 43.9% Put IV 25d 54.8% 50.6% 60.7% 50.6% 54.1% Bid-Ask Spread % 31.82 14.58 53.22 34.40 16.25 Gamma HHI 0.10 0.07 0.13 0.12 0.07 Net GEX -20.3M -31.9M -6.5M -30.0M -6.5M Net DEX 936.2M 536.1M 1.30B 1.02B 536.1M Net VEX -8.3M -9.3M -7.3M -8.0M -9.3M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 2.77 0.50 7.89 2.09 0.50 Total Volume 37,081.476 12,966 96,140 25,845 19,077 Total OI 390,969.19 352,722 430,713 352,722 392,434
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 2026-03-02 $115.22 $140.00 47.2% 14.0% 49.6% 42.4% 51.0% 7.5% -1.6% -30.0M 1.02B -8.0M 2.09 34.40 N/A N/A 8,368 17,477 120,761 231,961 2026-03-03 $111.30 $140.00 49.5% 14.8% 50.2% 47.2% 55.3% 9.7% -1.5% -29.6M 1.13B -7.8M 1.77 33.91 N/A N/A 15,565 27,502 125,601 233,728 2026-03-04 $114.39 $135.00 45.5% 13.9% 49.3% 39.0% 51.2% 8.8% -0.4% -30.9M 1.02B -8.2M 1.83 33.82 N/A N/A 8,363 15,268 131,440 240,804 2026-03-05 $115.56 $120.00 46.3% 13.2% 49.4% 40.6% 47.4% 7.7% -0.9% -30.6M 921.6M -8.4M 6.38 46.13 N/A N/A 5,436 34,689 136,021 244,384 2026-03-06 $110.52 $120.00 51.9% 14.7% 45.7% 51.8% 50.1% 9.6% -1.9% -31.9M 1.12B -8.0M 2.63 53.22 N/A N/A 11,847 31,192 138,513 246,059 2026-03-09 $111.24 $120.00 50.5% 14.9% 44.0% 49.0% 52.6% 9.9% 2.0% -27.3M 1.09B -8.0M 3.59 52.30 N/A N/A 7,385 26,504 134,477 241,617 2026-03-10 $110.31 $120.00 46.8% 13.6% 43.3% 41.6% 48.1% 8.9% 0.6% -27.7M 1.10B -7.9M 4.87 51.52 N/A N/A 6,955 33,843 136,899 243,398 2026-03-11 $107.36 $120.00 50.4% 14.5% 42.5% 48.9% 51.5% 13.8% -0.1% -26.3M 1.20B -7.7M 1.82 46.86 N/A N/A 17,479 31,765 139,377 245,530 2026-03-12 $102.09 $110.00 55.4% 17.3% 44.7% 59.0% 52.6% 11.1% -0.6% -22.2M 1.30B -7.3M 5.84 14.58 N/A N/A 14,048 82,092 151,546 248,100 2026-03-13 $106.46 $110.00 52.9% 16.1% 48.7% 54.0% 53.8% 10.4% -0.9% -20.1M 1.16B -8.0M 2.63 21.45 N/A N/A 17,099 45,022 155,648 256,614 2026-03-16 $107.25 $110.00 51.2% 14.7% 49.1% 50.5% 49.9% 10.9% 1.1% -20.3M 1.06B -8.1M 3.65 17.43 N/A N/A 9,512 34,701 153,798 248,504 2026-03-17 $111.94 $110.00 47.1% 13.7% 52.0% 42.2% 47.1% 10.5% 0.2% -17.2M 861.7M -8.6M 2.62 17.85 N/A N/A 13,067 34,201 159,479 252,284 2026-03-18 $113.16 $110.00 46.4% 13.5% 51.8% 40.8% 47.7% 9.0% 0.8% -15.7M 747.6M -8.7M 2.28 28.71 N/A N/A 10,581 24,149 163,549 255,854 2026-03-19 $113.60 $110.00 47.1% 13.4% 48.6% 42.3% 48.8% 9.7% 2.5% -12.2M 741.5M -8.7M 7.89 24.33 N/A N/A 8,224 64,927 167,582 257,321 2026-03-20 $110.50 $110.00 49.1% 14.2% 48.1% 46.3% 54.1% 8.7% 1.7% -13.5M 893.7M -8.5M 1.55 33.23 N/A N/A 10,078 15,615 169,844 260,869 2026-03-24 $108.19 $110.00 50.5% 14.4% 43.6% 49.1% 49.7% 11.5% 0.8% -12.7M 789.4M -8.5M 1.36 18.93 N/A N/A 7,445 10,146 140,393 233,077 2026-03-25 $108.68 $110.00 49.2% 14.6% 42.8% 46.5% 46.9% 9.5% 2.0% -12.6M 751.5M -8.8M 1.30 40.91 N/A N/A 6,022 7,820 142,570 240,899 2026-03-26 $109.47 $110.00 51.5% 14.7% 42.4% 51.2% 49.3% 9.6% 2.4% -11.5M 734.7M -8.9M 1.25 24.65 N/A N/A 5,752 7,214 144,841 244,675 2026-03-27 $107.80 $110.00 52.1% 14.8% 42.5% 52.2% 51.2% 11.1% 0.7% -14.6M 809.4M -8.7M 1.42 39.47 N/A N/A 6,881 9,739 146,900 248,475 2026-03-30 $111.30 $110.00 54.9% 16.3% 42.8% 57.8% 50.7% 11.7% -1.2% -12.0M 675.9M -9.0M 0.86 18.25 N/A N/A 8,398 7,263 140,933 243,594 2026-03-31 $114.80 $110.00 50.4% 14.5% 44.2% 48.9% 47.5% 10.1% -1.4% -6.5M 536.1M -9.3M 0.50 16.25 N/A N/A 12,722 6,355 145,211 247,223
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