# Volatility Strike Skew for TENB

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

Data as of Oct 20, 2026 (end of day). **Data is delayed**: the latest session is Nov 10, 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.

## TENB quote

Quote as of Nov 10, 2026.

| Field | Value |
|---|---|
| Last | 41.96 |
| Change | -1.71 |
| Open | 42.58 |
| Previous | 43.67 |
| High | 42.80 |
| Low | 39.38 |
| Bid | - |
| Ask | - |
| Volume | 2,257,599 |
| Trades | - |
| Dividend | - |
| Yield | - |
| Ex-Div | - |
| Split Date | - |
| Impl Vol | 68.4% |
| Hist Vol | 61.1% |
| Opt Volume | 251 |
| Open Int | 33,317 |

On Oct 20, 2026, TENB options across all expirations averaged 84.0% implied volatility for calls and 64.5% for puts (volume-weighted): calls trade 19.5 points above puts, an unusual upside skew.

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

All expirations: 2026-11-20, 2026-12-18, 2027-03-19, 2027-06-17, 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: 2026-10-20, 2026-10-19, 2026-10-16, 2026-10-15, 2026-10-14, 2026-10-13). Example: `/screener/volatility-skew/TENB.md?view=time`.

| Strike | Volume | Call IVol | Put IVol |
|---|---:|---:|---:|
| All | 281 | 84.0% | 64.5% |
| 29.00 | 45 | 94.9% | - |
| 30.00 | 60 | 82.5% | - |
| 32.00 | 5 | 72.2% | - |
| 34.00 | 45 | 89.0% | - |
| 35.00 | 60 | 81.1% | - |
| 37.00 | 1 | - | 62.3% |
| 39.00 | 17 | 77.5% | 67.1% |
| 40.00 | 21 | 79.7% | 61.6% |
| 42.00 | 18 | 77.9% | - |
| 45.00 | 8 | 73.5% | - |
| 50.00 | 1 | 70.7% | - |

## More for TENB

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

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