# Volatility Strike Skew for ZSL

> Implied volatility strike skew chart for ZSL with option volume overlay.

Data as of Oct 19, 2026 (end of day). **Data is delayed**: the latest session is Nov 9, 2026. [Subscribe](https://www.optionistics.com/subscribe) to get the latest end-of-day data.

Volume-weighted call and put implied volatility per strike for the chosen expiration, with option volume bars.

## ZSL quote

Quote as of Nov 9, 2026.

| Field | Value |
|---|---|
| Last | 33.95 |
| Change | -1.90 |
| Open | 34.94 |
| Previous | 35.85 |
| High | 35.19 |
| Low | 33.70 |
| Bid | - |
| Ask | - |
| Volume | 1,689,813 |
| Trades | - |
| Dividend | - |
| Yield | - |
| Ex-Div | - |
| Split Date | - |
| Impl Vol | 82.7% |
| Hist Vol | 257.4% |
| Opt Volume | 1,047 |
| Open Int | 24,794 |

On Oct 19, 2026, ZSL options across all expirations averaged 54.9% implied volatility for calls and 75.4% for puts (volume-weighted): puts trade 20.5 points above calls, the usual downside skew.

Strike skew, all expirations, near the money, volume accumulated over 1 day.

All expirations: 2026-11-20, 2026-12-18, 2027-01-15, 2027-02-19, 2027-05-21, 2028-01-21, 2029-01-19.

Change the view with query parameters: `view` (strike, time), `expiration` (strike skew: all or YYYY-MM-DD), `zoom` (strike skew: in, out, all), `strike` (time skew: one strike or all), `days` (1-5 or 10 sessions of volume), `date` (an earlier session: 2026-10-19, 2026-10-16, 2026-10-15, 2026-10-14, 2026-10-13, 2026-10-12). Example: `/screener/volatility-skew/ZSL.md?view=time`.

| Strike | Volume | Call IVol | Put IVol |
|---|---:|---:|---:|
| All | 1,148 | 54.9% | 75.4% |
| 21.00 | 1 | - | 86.2% |
| 22.00 | 3 | - | 75.8% |
| 23.00 | 310 | 42.5% | 78.7% |
| 24.00 | 3 | 21.7% | 72.3% |
| 25.00 | 293 | 43.4% | 74.5% |
| 26.00 | 6 | - | 71.2% |
| 27.00 | 2 | - | 70.1% |
| 28.00 | 5 | 58.4% | 71.9% |
| 29.00 | 1 | - | 71.6% |
| 30.00 | 13 | 51.1% | 75.4% |
| 31.00 | 7 | 48.4% | 78.3% |
| 32.00 | 2 | 61.3% | - |
| 33.00 | 26 | 44.7% | - |
| 34.00 | 16 | 48.4% | 82.2% |
| 35.00 | 29 | 68.6% | - |
| 36.00 | 24 | 70.9% | - |
| 37.00 | 30 | 73.2% | - |
| 38.00 | 19 | 76.7% | 86.4% |
| 39.00 | 16 | 78.1% | - |
| 40.00 | 342 | 70.2% | 79.2% |

## More for ZSL

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

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