SPMB Options History — October 2025

In October 2025, SPMB traded between $22.38 and $22.71. ATM implied volatility averaged 32.0%, placing in the 16.4% IV rank vs the trailing year. The 30-day expected move averaged 7.2%. IV traded above realized volatility by 28.6% (HV 20d: 3.4%). Max pain ranged from $21.00 to $27.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 0 of 23 days.

Notable Days

  • 2025-10-07: Highest Volume — 1 contracts
  • 2025-10-15: Largest IV drop — 69.7% change
  • 2025-10-14: Highest IV Rank — 47.8%
  • 2025-10-31: Largest Expected Move — 8.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$22.55$22.38$22.71$22.41$22.55
Max Pain$26.22$21.00$27.00$21.00$27.00
ATM IV32.0%22.7%76.5%27.1%29.5%
Expected Move7.2%6.2%8.5%7.8%8.5%
HV 20d3.4%2.7%4.4%4.4%3.7%
HV 60d4.2%3.9%4.4%4.4%4.2%
IV Rank16.4%9.8%47.8%13.0%14.7%
IV Percentile37.0%1.6%94.0%29.4%45.6%
Term Structure-8.0%-16.8%-4.2%-14.1%-8.5%
Skew 25d-2.1%-5.6%1.5%-4.9%-4.4%
Skew 10d1.9%-15.1%23.1%2.5%2.3%
Call IV 25d30.5%12.0%44.4%41.7%36.5%
Put IV 25d28.3%13.5%38.8%36.8%32.0%
Bid-Ask Spread %150.68145.49152.88151.01150.68
Gamma HHI0.710.411.000.451.00
Net GEX2755153641791
Net DEX-2.7K-5.8K-118-4.8K-268
Net VEX-15-36-1-36-2
Div Yield0.0%0.0%0.0%0.0%0.0%
Total Volume0.0430100
Total OI23.21711333211

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-10-01$22.41$21.0027.1%7.8%4.4%13.0%0.0%-4.9%-14.1%417-4.8K-360.00151.01N/AN/A002111
2025-10-02$22.45$21.0027.9%8.0%4.3%13.5%0.0%-4.8%-14.8%524-4.9K-320.00146.16N/AN/A002111
2025-10-03$22.43$21.0029.0%8.3%3.9%14.3%0.0%-5.6%-16.8%436-4.9K-340.00150.98N/AN/A002111
2025-10-06$22.38$27.0032.0%6.2%3.6%16.4%0.0%0.7%-7.1%407-4.4K-300.00152.88N/AN/A002111
2025-10-07$22.41$27.0027.2%6.3%3.6%13.0%0.0%0.7%-7.2%536-4.9K-280.00152.08N/AN/A012111
2025-10-08$22.45$27.0036.1%6.5%3.7%19.3%0.0%0.8%-7.6%340-4.2K-290.00151.95N/AN/A002112
2025-10-09$22.41$27.0036.5%6.4%3.6%19.6%0.0%0.7%-7.6%331-3.9K-270.00152.04N/AN/A002112
2025-10-10$22.49$27.0040.8%6.6%3.8%22.6%0.0%0.9%-7.9%371-4.5K-250.00149.83N/AN/A002112
2025-10-13$22.52$27.0067.6%6.7%3.5%41.5%0.0%0.7%-8.3%408-4.8K-210.00152.49N/AN/A002112
2025-10-14$22.55$27.0076.5%6.8%3.5%47.8%0.0%0.9%-8.4%443-5.2K-190.00151.39N/AN/A002112
2025-10-15$22.55$27.0023.2%6.6%3.4%10.2%0.0%0.7%-8.7%430-5.1K-150.00150.67N/AN/A002112
2025-10-16$22.64$27.0022.7%6.5%3.1%9.8%0.0%0.7%-4.2%466-5.8K-120.00150.64N/AN/A002112
2025-10-17$22.63$27.0023.9%6.8%3.1%10.7%0.0%0.6%-4.6%157-577-40.00151.50N/AN/A002112
2025-10-20$22.66$27.0024.5%7.0%2.9%11.1%0.0%-4.5%-5.1%113-349-30.00149.42N/AN/A00110
2025-10-21$22.70$27.0024.4%7.0%2.8%11.1%0.0%-4.8%-5.3%130-422-30.00151.73N/AN/A00110
2025-10-22$22.69$27.0025.3%7.3%2.7%11.7%0.0%-4.8%-5.5%132-434-30.00151.50N/AN/A00110
2025-10-23$22.62$27.0025.2%7.2%3.0%11.6%0.0%1.5%-5.7%51-118-10.00145.49N/AN/A00110
2025-10-24$22.66$27.0025.7%7.4%3.0%12.0%0.0%-4.6%-5.8%114-352-20.00150.75N/AN/A00110
2025-10-27$22.68$27.0027.2%7.8%2.9%13.0%0.0%-5.1%-6.7%119-376-30.00150.58N/AN/A00110
2025-10-28$22.71$27.0027.2%7.8%2.9%13.0%0.0%-5.6%-7.0%119-370-30.00151.50N/AN/A00110
2025-10-29$22.57$27.0027.7%7.9%3.7%13.4%0.0%-4.5%-7.8%94-281-20.00150.07N/AN/A00110
2025-10-30$22.55$27.0029.4%8.4%3.7%14.6%0.0%-4.5%-9.1%91-267-20.00150.31N/AN/A00110
2025-10-31$22.55$27.0029.5%8.5%3.7%14.7%0.0%-4.4%-8.5%91-268-20.00150.68N/AN/A00110