State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) Options History
Historical options analytics archive for SPMB with monthly max pain, implied volatility, gamma exposure, and put/call data.
62 months of complete options data available.
SPMB monthly aggregates
Month-by-month rollups derived from the daily snapshot archive for SPMB. Volatility and put/call columns are averages across trading days within the month; max pain, net GEX, and net DEX are the end-of-month values (last trading day of the month).
| Month | Days | Avg ATM IV | Avg IV Rank | End Max Pain | End Net GEX | End Net DEX | Avg P/C |
|---|---|---|---|---|---|---|---|
| 2026-05 | 20 | 42.1% | 22.9% | - | -$82 | $1.4K | 0.00 |
| 2026-04 | 19 | 45.8% | 26.4% | - | $0 | $0 | - |
| 2026-03 | 22 | 40.4% | 24.5% | - | $0 | $0 | - |
| 2026-02 | 19 | 29.4% | 17.7% | $21.00 | -$3.4K | $19.8K | - |
| 2026-01 | 20 | 33.9% | 19.2% | - | -$4.0K | $28.2K | - |
| 2025-12 | 22 | 32.1% | 16.5% | - | $0 | $0 | - |
2026
2025
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2024
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2023
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2022
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