# SPIR Max Pain (Strike Pegger)

> SPIR max pain chart: the strike where option writers' aggregate liability is minimized, daily and by expiration.

Data as of Nov 10, 2026 (end of day).

Max Pain© analysis: the peg is the strike where call and put writers' aggregate liability is minimized; the target price (bias) is where call and put liability converge.

## SPIR quote

| Field | Value |
|---|---|
| Last | 9.35 |
| Change | -0.11 |
| Open | 9.12 |
| Previous | 9.46 |
| High | 9.49 |
| Low | 9.10 |
| Bid | - |
| Ask | - |
| Volume | 387,356 |
| Trades | - |
| Dividend | - |
| Yield | - |
| Ex-Div | - |
| Split Date | Aug 31, 2023 |
| Impl Vol | 83.8% |
| Hist Vol | 96.1% |
| Opt Volume | 145 |
| Open Int | 22,195 |

Expiration: Nov 20, 2026.

All expirations: 2026-11-20, 2026-12-18, 2027-01-15, 2027-02-19, 2027-05-21.

Change the view with query parameters: `expiration` (YYYY-MM-DD, the daily history and the by-strike profile), `date` (an earlier session). Example: `/quotes/strike-pegger/SPIR.md?expiration=2026-11-20`.

## Daily History — expiration Nov 20, 2026

| Date | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Nov 10, 2026 | 12.00 | 9.35 | 11.73 | 5,074 | 3,398 |
| Nov 9, 2026 | 12.00 | 9.46 | 11.74 | 5,063 | 3,399 |
| Nov 6, 2026 | 12.00 | 8.65 | 11.76 | 5,063 | 3,560 |
| Nov 5, 2026 | 12.00 | 7.71 | 11.77 | 5,064 | 3,676 |
| Nov 4, 2026 | 12.00 | 8.38 | 11.83 | 5,068 | 3,704 |
| Nov 3, 2026 | 12.00 | 8.70 | 11.83 | 5,066 | 3,704 |
| Nov 2, 2026 | 12.00 | 8.54 | 11.92 | 4,965 | 3,707 |
| Oct 30, 2026 | 12.00 | 8.87 | 11.95 | 4,977 | 3,721 |

## Open Interest by Strike

**Strike Peg is 12.00, Bias: 11.73** (expiration Nov 20, 2026) — 28.3% above the last price of 9.35; open interest 5.07K calls / 3.40K puts (put/call 0.67).

Net Liability is the call plus put writers' liability if the stock settles at the strike; the peg is its minimum. Showing 29 of 35 strikes: those with open interest; the peg uses every strike.

| Strike | Call OI | Put OI | Net Liability |
|---:|---:|---:|---:|
| 5.00 | 1 | 52 | 17,947 |
| 6.00 | 0 | 25 | 14,602 |
| 7.00 | 12 | 400 | 11,282 |
| 8.00 | 154 | 457 | 8,374 |
| 9.00 | 68 | 580 | 6,077 |
| 10.00 | 462 | 405 | 4,428 |
| 11.00 | 89 | 330 | 3,646 |
| 12.00 | 105 | 555 | 3,283 |
| 13.00 | 57 | 209 | 3,580 |
| 14.00 | 210 | 254 | 4,143 |
| 15.00 | 250 | 25 | 5,170 |
| 16.00 | 199 | 21 | 6,472 |
| 17.00 | 85 | 4 | 7,994 |
| 18.00 | 119 | 80 | 9,605 |
| 19.00 | 94 | 1 | 11,415 |
| 20.00 | 620 | 0 | 13,320 |
| 21.00 | 303 | 0 | 15,845 |
| 22.00 | 68 | 0 | 18,673 |
| 23.00 | 352 | 0 | 21,569 |
| 24.00 | 121 | 0 | 24,817 |
| 25.00 | 1,026 | 0 | 28,186 |
| 26.00 | 196 | 0 | 32,581 |
| 27.00 | 48 | 0 | 37,172 |
| 28.00 | 117 | 0 | 41,811 |
| 30.00 | 243 | 0 | 51,323 |
| 32.00 | 31 | 0 | 61,321 |
| 33.00 | 5 | 0 | 66,351 |
| 34.00 | 5 | 0 | 71,386 |
| 35.00 | 34 | 0 | 76,426 |

## By Expiration

| Expiration | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Nov 20, 2026 | 12.00 | 9.35 | 11.73 | 5,074 | 3,398 |
| Nov 21, 2026 | 12.00 | 9.35 | 11.73 | 5,074 | 3,398 |
| Dec 19, 2026 | 10.00 | 9.35 | 11.68 | 453 | 309 |
| Jan 16, 2027 | 12.00 | 9.35 | 11.67 | 7,539 | 2,756 |
| Feb 20, 2027 | 10.00 | 9.35 | 10.18 | 1,180 | 399 |
| May 22, 2027 | 11.00 | 9.35 | 10.81 | 512 | 575 |

Max Pain© is a registered trademark. The peg is computed from open interest in the day's option snapshot.

## More for SPIR

- [Quote](https://www.optionistics.com/quotes/stock-quotes/SPIR.md)
- [Option chain](https://www.optionistics.com/quotes/stock-option-chains/SPIR.md)
- [Price history](https://www.optionistics.com/quotes/stock-prices/SPIR.md)
- [10 day snapshot](https://www.optionistics.com/snapshot.md?symbol=SPIR)
- [Strike Pegger (max pain)](https://www.optionistics.com/quotes/strike-pegger/SPIR.md)
- [Volatility skew](https://www.optionistics.com/screener/volatility-skew/SPIR.md)
- [Put/call ratio](https://www.optionistics.com/screener/put-call-ratio/SPIR.md)
- [Trade finder](https://www.optionistics.com/screener/stock-trade-finder/SPIR.md)

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