SPMB Options History — May 2025

In May 2025, SPMB traded between $21.51 and $21.91. ATM implied volatility averaged 33.8%, placing in the 17.5% IV rank vs the trailing year. The 30-day expected move averaged 7.2%. IV traded above realized volatility by 27.2% (HV 20d: 6.6%). Max pain ranged from $20.00 to $22.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 0 of 21 days. Put/call ratio averaged 0.00.

Notable Days

  • 2025-05-15: Highest Volume — 181 contracts
  • 2025-05-14: Largest IV drop — 66.7% change
  • 2025-05-12: Highest IV Rank — 38.4%
  • 2025-05-02: Largest Expected Move — 10.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$21.72$21.51$21.91$21.91$21.79
Max Pain$20.19$20.00$22.00$22.00$20.00
ATM IV33.8%19.3%64.0%33.8%23.8%
Expected Move7.2%5.5%10.0%9.7%6.8%
HV 20d6.6%6.0%8.3%8.3%6.0%
HV 60d6.5%6.4%6.6%6.5%6.5%
IV Rank17.5%7.3%38.4%17.4%10.6%
IV Percentile21.2%0.8%76.6%20.6%3.2%
Term Structure-6.4%-14.5%-4.1%-13.4%-6.3%
VWIV25.9%25.9%25.9%25.9%25.9%
Skew 25d5.7%-11.8%29.8%29.8%-4.4%
Skew 10d-9.1%-31.7%7.1%-31.7%7.1%
Call IV 25d16.0%8.3%26.1%12.5%13.5%
Put IV 25d21.7%8.4%42.3%42.3%9.2%
Bid-Ask Spread %144.01133.60153.09146.05134.58
Gamma HHI0.460.320.620.360.50
Net GEX15.6K1.9K28.4K14.7K13.8K
Net DEX-62.1K-153.7K15.5K-58.5K-56.8K
Net VEX-605-920-330-641-625
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.000.000.000.000.00
Total Volume45.143018100
Total OI681372969635788

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-05-01$21.91$22.0033.8%9.7%8.3%17.4%0.0%29.8%-13.4%14.7K-58.5K-6410.00146.05N/AN/A00394241
2025-05-02$21.80$22.0035.0%10.0%8.1%18.2%0.0%26.1%-14.5%12.8K-45.3K-6730.00146.80N/AN/A1210394241
2025-05-05$21.74$20.0039.5%6.3%8.0%21.3%25.9%-8.5%-4.4%10.9K-28.7K-5550.00145.56N/AN/A1540394241
2025-05-06$21.81$20.0041.4%6.3%6.8%22.7%0.0%5.8%-4.4%26.6K-129.7K-9180.00144.86N/AN/A00548241
2025-05-07$21.88$20.0042.7%6.4%6.8%23.6%0.0%10.1%-5.2%28.4K-153.7K-9200.00153.09N/AN/A00548241
2025-05-08$21.77$20.0044.3%6.3%6.6%24.7%0.0%2.5%-6.2%25.8K-111.8K-8150.00147.96N/AN/A00548241
2025-05-09$21.80$20.0048.4%6.4%6.6%27.5%0.0%12.3%-4.9%26.2K-120.2K-8270.00150.94N/AN/A00548241
2025-05-12$21.70$20.0064.0%6.7%6.7%38.4%0.0%14.7%-6.1%22.9K-93.5K-7220.00150.35N/AN/A00548241
2025-05-13$21.68$20.0057.9%5.5%6.0%34.1%0.0%7.9%-4.7%22.3K-63.9K-5460.00143.46N/AN/A019548241
2025-05-14$21.59$20.0019.3%5.5%6.1%7.3%0.0%1.1%-4.9%18.0K-32.2K-4880.00134.71N/AN/A00548249
2025-05-15$21.73$20.0024.6%7.1%6.5%11.0%0.0%14.4%-5.3%22.2K-84.6K-6270.00150.82N/AN/A1810548249
2025-05-16$21.74$20.0024.1%6.9%6.5%10.6%0.0%22.5%-4.1%14.1K15.5K-4920.00146.82N/AN/A570720249
2025-05-19$21.71$20.0025.2%7.2%6.0%11.6%0.0%12.1%-5.3%14.2K-79.3K-4380.00142.81N/AN/A0028686
2025-05-20$21.68$20.0026.1%7.5%6.0%12.2%0.0%-8.3%-5.6%14.1K-70.0K-3800.00140.50N/AN/A64028686
2025-05-21$21.51$20.0026.9%7.7%6.6%12.8%0.0%-8.4%-6.3%12.2K-50.8K-3300.00135.83N/AN/A0035086
2025-05-22$21.55$20.0027.9%8.0%6.2%13.5%0.0%0.7%-6.2%12.6K-72.2K-4100.00145.41N/AN/A014735086
2025-05-23$21.59$20.0027.9%8.0%6.0%13.5%0.0%7.2%-6.7%8.0K-47.1K-5790.00146.58N/AN/A0121350233
2025-05-27$21.68$20.0023.4%6.7%6.2%10.3%0.0%-11.8%-5.7%2.3K-1.9K-5250.00133.60N/AN/A00350354
2025-05-28$21.66$20.0023.3%6.7%6.1%10.2%0.0%-8.3%-6.1%1.9K-4.7K-5180.00137.54N/AN/A00350354
2025-05-29$21.73$20.0029.7%8.5%6.2%14.8%0.0%1.2%-7.4%2.9K-15.3K-6760.00146.01N/AN/A840350354
2025-05-30$21.79$20.0023.8%6.8%6.0%10.6%0.0%-4.4%-6.3%13.8K-56.8K-6250.00134.58N/AN/A00434354