# ZLAB Max Pain (Strike Pegger)

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

Data as of Nov 11, 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.

## ZLAB quote

| Field | Value |
|---|---|
| Last | 26.42 |
| Change | -0.01 |
| Open | 25.93 |
| Previous | 26.43 |
| High | 26.50 |
| Low | 25.30 |
| Bid | - |
| Ask | - |
| Volume | 789,999 |
| Trades | - |
| Dividend | - |
| Yield | - |
| Ex-Div | - |
| Split Date | - |
| Impl Vol | 66.9% |
| Hist Vol | 50.6% |
| Opt Volume | 446 |
| Open Int | 25,423 |

Expiration: Nov 20, 2026.

All expirations: 2026-11-20, 2026-12-18, 2027-01-15, 2027-03-19, 2027-06-17, 2027-12-17.

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/ZLAB.md?expiration=2026-11-20`.

## Daily History — expiration Nov 20, 2026

| Date | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Nov 11, 2026 | 25.00 | 26.42 | 24.35 | 61 | 2,791 |
| Nov 10, 2026 | 25.00 | 26.43 | 24.35 | 61 | 2,791 |
| Nov 9, 2026 | 22.50 | 26.86 | 24.29 | 60 | 2,792 |
| Nov 6, 2026 | 22.50 | 25.48 | 24.26 | 60 | 2,832 |
| Nov 5, 2026 | 22.50 | 22.60 | 24.26 | 60 | 2,833 |
| Nov 4, 2026 | 22.50 | 22.80 | 24.26 | 60 | 2,833 |
| Nov 3, 2026 | 25.00 | 21.96 | 24.61 | 50 | 2,833 |
| Nov 2, 2026 | 25.00 | 21.67 | 24.61 | 50 | 2,803 |
| Oct 30, 2026 | 25.00 | 22.07 | 27.12 | 31 | 2,802 |

## Open Interest by Strike

**Strike Peg is 25.00, Bias: 24.35** (expiration Nov 20, 2026) — 5.4% below the last price of 26.42; open interest 61 calls / 2.79K puts (put/call 45.75).

Net Liability is the call plus put writers' liability if the stock settles at the strike; the peg is its minimum. Showing 7 of 8 strikes: those with open interest; the peg uses every strike.

| Strike | Call OI | Put OI | Net Liability |
|---:|---:|---:|---:|
| 15.00 | 0 | 1 | 14,273 |
| 17.50 | 0 | 2 | 7,298 |
| 20.00 | 0 | 2,700 | 328 |
| 22.50 | 29 | 59 | 108 |
| 25.00 | 5 | 24 | 108 |
| 30.00 | 16 | 3 | 253 |
| 35.00 | 11 | 2 | 493 |

## By Expiration

| Expiration | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Nov 20, 2026 | 25.00 | 26.42 | 24.35 | 61 | 2,791 |
| Nov 21, 2026 | 25.00 | 26.42 | 24.35 | 61 | 2,791 |
| Dec 19, 2026 | 30.00 | 26.42 | 27.01 | 855 | 4,397 |
| Jan 16, 2027 | 25.00 | 26.42 | 24.31 | 3,777 | 2,878 |
| Mar 20, 2027 | 35.00 | 26.42 | 29.55 | 852 | 3,765 |
| Jun 19, 2027 | 30.00 | 26.42 | 28.42 | 46 | 226 |

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

## More for ZLAB

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

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