BMAX Options History — June 2025 In June 2025, BMAX traded between $28.35 and $30.58. ATM implied volatility averaged 47.0%. The 30-day expected move averaged 12.5%. IV traded below realized volatility by 0.5% (HV 20d: 47.5%). Max pain ranged from $31.00 to $31.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 3 of 20 days. Put/call ratio averaged 0.00.
Notable Days 2025-06-24 : Highest Volume — 2 contracts2025-06-11 : Largest IV drop — 31.0% change2025-06-26 : Largest Expected Move — 15.2%Monthly Statistics Metric Avg Min Max Open Close Price $29.34 $28.35 $30.58 $29.08 $28.85 Max Pain $31.00 $31.00 $31.00 $31.00 $31.00 ATM IV 47.0% 37.7% 54.7% 46.2% 48.8% Expected Move 12.5% 8.0% 15.2% 13.2% 14.0% HV 20d 47.5% 27.7% 53.6% 53.1% 28.3% HV 60d 50.9% 50.6% 51.1% 51.1% 50.6% Term Structure -6.1% -15.2% 7.8% -8.4% -13.7% Skew 25d 4.5% -16.6% 17.2% 0.9% 17.2% Skew 10d 6.1% -17.0% 24.1% 3.7% -17.0% Call IV 25d 40.9% 28.8% 54.4% 52.9% 37.4% Put IV 25d 45.5% 28.9% 55.7% 53.7% 54.6% Bid-Ask Spread % 147.32 143.66 154.03 145.44 145.90 Gamma HHI 0.43 0.35 0.53 0.44 0.38 Net GEX 504 397 673 481 459 Net DEX -10.6K -12.4K -9.5K -10.1K -10.4K Net VEX -42 -46 -35 -43 -45 Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.00 0.00 0.00 0.00 0.00 Total Volume 0.1 0 2 0 0 Total OI 9.4 9 11 9 11
Daily Data (20 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 2025-06-02 $29.08 $0.00 46.2% 13.2% 53.1% 0.0% 0.0% 0.9% -8.4% 481 -10.1K -43 0.00 145.44 N/A N/A 0 0 9 0 2025-06-03 $30.12 $0.00 45.9% 13.2% 53.6% 0.0% 0.0% -16.6% -9.4% 609 -12.1K -46 0.00 145.41 N/A N/A 0 0 9 0 2025-06-04 $29.89 $0.00 46.5% 13.3% 51.3% 0.0% 0.0% 1.2% -10.2% 581 -11.1K -43 0.00 145.41 N/A N/A 0 0 9 0 2025-06-05 $29.34 $31.00 50.2% 11.0% 50.6% 0.0% 0.0% 8.3% 1.1% 523 -10.1K -42 0.00 146.91 N/A N/A 0 0 9 0 2025-06-06 $29.50 $31.00 53.4% 11.9% 49.1% 0.0% 0.0% 4.2% -7.4% 551 -10.4K -42 0.00 145.00 N/A N/A 0 0 9 0 2025-06-09 $30.58 $31.00 53.8% 8.0% 50.8% 0.0% 0.0% 3.0% 7.8% 673 -12.4K -41 0.00 143.66 N/A N/A 0 0 9 0 2025-06-10 $30.18 $31.00 54.7% 11.1% 51.0% 0.0% 0.0% 2.1% -6.2% 628 -11.9K -44 0.00 144.02 N/A N/A 0 0 9 0 2025-06-11 $30.09 $31.00 37.7% 10.8% 50.9% 0.0% 0.0% -5.4% -4.3% 645 -11.5K -42 0.00 144.58 N/A N/A 0 0 9 0 2025-06-12 $30.25 $31.00 39.1% 11.2% 50.5% 0.0% 0.0% 3.0% -10.0% 529 -12.3K -44 0.00 149.15 N/A N/A 0 0 9 0 2025-06-13 $29.52 $31.00 42.6% 12.2% 51.0% 0.0% 0.0% -11.3% -10.8% 472 -10.9K -41 0.00 154.03 N/A N/A 0 0 9 0 2025-06-16 $28.81 $31.00 41.1% 11.8% 50.6% 0.0% 0.0% 7.0% -1.9% 427 -9.9K -40 0.00 147.04 N/A N/A 0 0 9 0 2025-06-17 $28.69 $31.00 44.4% 12.7% 50.4% 0.0% 0.0% 5.6% -3.1% 397 -9.6K -37 0.00 153.41 N/A N/A 0 0 9 0 2025-06-18 $28.87 $31.00 45.8% 13.1% 49.5% 0.0% 0.0% 7.8% 7.3% 413 -10.0K -38 0.00 151.62 N/A N/A 0 0 9 0 2025-06-20 $28.87 $31.00 45.5% 13.0% 48.0% 0.0% 0.0% 14.4% -5.4% 438 -9.6K -37 0.00 149.30 N/A N/A 0 0 9 0 2025-06-23 $29.06 $31.00 47.5% 13.6% 48.1% 0.0% 0.0% 11.6% -7.6% 445 -10.0K -36 0.00 148.10 N/A N/A 0 0 9 0 2025-06-24 $28.88 $31.00 44.8% 12.9% 47.6% 0.0% 0.0% 15.6% -6.3% 448 -9.5K -35 0.00 145.07 N/A N/A 2 0 9 0 2025-06-25 $28.50 $31.00 50.3% 14.4% 47.2% 0.0% 0.0% 16.8% -9.6% 420 -10.1K -46 0.00 147.02 N/A N/A 0 0 11 0 2025-06-26 $28.35 $31.00 53.0% 15.2% 40.4% 0.0% 0.0% 0.1% -15.2% 398 -9.5K -43 0.00 146.73 N/A N/A 0 0 11 0 2025-06-27 $29.30 $31.00 47.9% 13.7% 27.7% 0.0% 0.0% 5.4% -8.2% 539 -11.0K -46 0.00 148.63 N/A N/A 0 0 11 0 2025-06-30 $28.85 $31.00 48.8% 14.0% 28.3% 0.0% 0.0% 17.2% -13.7% 459 -10.4K -45 0.00 145.90 N/A N/A 0 0 11 0
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