BMAX Options History — April 2025

In April 2025, BMAX traded between $25.04 and $29.54. ATM implied volatility averaged 47.9%. The 30-day expected move averaged 13.7%. Max pain ranged from $27.00 to $27.00. Net GEX was positive for 4 of 7 trading days. Term structure was in contango for 3 of 7 days. Put/call ratio averaged 0.50.

Notable Days

  • 2025-04-23: Highest Volume — 2 contracts
  • 2025-04-23: Largest IV drop — 48.8% change
  • 2025-04-22: Largest Expected Move — 23.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$27.82$25.04$29.54$25.04$28.25
Max Pain$27.00$27.00$27.00$27.00$27.00
ATM IV47.9%34.4%81.1%81.1%41.9%
Expected Move13.7%9.9%23.2%23.2%12.0%
Term Structure-4.5%-31.1%13.5%-31.1%-2.7%
VWIV48.1%48.1%48.1%48.1%48.1%
Skew 25d-3.9%-20.7%8.2%7.6%-4.1%
Skew 10d12.9%-12.1%60.3%60.3%-5.6%
Call IV 25d56.1%47.8%72.2%72.2%59.0%
Put IV 25d52.2%31.2%79.8%79.8%54.9%
Bid-Ask Spread %138.54135.46142.51142.51137.71
Gamma HHI0.400.310.520.500.31
Net GEX6301460113
Net DEX-2.3K-5.8K2280-4.5K
Net VEX-8-1600-16
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.500.001.001.000.00
Total Volume0.5710200
Total OI2.2860404

Daily Data (7 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-04-22$25.04$0.0081.1%23.2%0.0%0.0%0.0%7.6%-31.1%0000.00142.51N/AN/A0000
2025-04-23$27.70$0.0041.5%11.9%0.0%0.0%48.1%2.2%-3.6%0001.00136.06N/AN/A1100
2025-04-24$27.03$27.0034.4%9.9%0.0%0.0%0.0%-20.7%13.5%0228-50.00141.46N/AN/A0011
2025-04-25$28.68$27.0046.2%13.2%0.0%0.0%0.0%8.2%2.4%35-987-50.00138.25N/AN/A2011
2025-04-28$28.50$27.0037.2%10.7%0.0%0.0%0.0%-1.9%5.7%144-4.8K-160.00138.33N/AN/A0031
2025-04-29$29.54$27.0052.8%15.1%0.0%0.0%0.0%-18.5%-15.9%146-5.8K-140.00135.46N/AN/A0031
2025-04-30$28.25$27.0041.9%12.0%0.0%0.0%0.0%-4.1%-2.7%113-4.5K-160.00137.71N/AN/A0031