# NSP Max Pain (Strike Pegger)

> NSP 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.

## NSP quote

| Field | Value |
|---|---|
| Last | 50.87 |
| Change | +1.46 |
| Open | 49.13 |
| Previous | 49.41 |
| High | 50.96 |
| Low | 48.20 |
| Bid | - |
| Ask | - |
| Volume | 361,713 |
| Trades | - |
| Dividend | - |
| Yield | - |
| Ex-Div | - |
| Split Date | - |
| Impl Vol | 0.0% |
| Hist Vol | 63.5% |
| Opt Volume | 0 |
| Open Int | 789 |

Expiration: Nov 20, 2026. No daily peg history is stored for this expiration; pegs are kept for the expirations listed under By Expiration.

All expirations: 2026-11-20, 2026-12-18, 2027-01-15, 2027-04-16.

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/NSP.md?expiration=2026-12-19`.

## Open Interest by Strike

**Strike Peg is 40.00, Bias: 0.00** (expiration Nov 20, 2026) — 21.4% below the last price of 50.87; open interest 72 calls / 257 puts (put/call 3.57).

Net Liability is the call plus put writers' liability if the stock settles at the strike; the peg is its minimum. Every strike is listed.

| Strike | Call OI | Put OI | Net Liability |
|---:|---:|---:|---:|
| 25.00 | 0 | 250 | 120 |
| 30.00 | 2 | 1 | 85 |
| 35.00 | 2 | 1 | 65 |
| 40.00 | 0 | 2 | 60 |
| 45.00 | 4 | 0 | 65 |
| 50.00 | 17 | 3 | 90 |
| 55.00 | 18 | 0 | 215 |
| 60.00 | 20 | 0 | 430 |
| 65.00 | 3 | 0 | 745 |
| 70.00 | 4 | 0 | 1,075 |
| 75.00 | 2 | 0 | 1,425 |

## By Expiration

| Expiration | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Dec 19, 2026 | 35.00 | 50.87 | 36.25 | 34 | 1 |
| Jan 16, 2027 | 45.00 | 50.87 | 47.45 | 283 | 97 |
| Apr 17, 2027 | 55.00 | 50.87 | 53.91 | 18 | 27 |

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

## More for NSP

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

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