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Implied Volatility Stats
Showing results for 2026-11-20(m), calls & puts
| Expiration Date | Avg IV |
|---|---|
WLK Volatility Skew FAQ
What is volatility skew?
Volatility skew is the difference in implied volatility between options at different strike prices. A steeper skew means traders are paying more for options on one side, usually downside puts used as protection.
What is WLK's one-year implied volatility range?
Over the past year, Westlake 30-day implied volatility ranged from 32.3% on Oct 1, 2026 to 189.5% on Jul 17, 2026.
How has WLK implied volatility changed recently?
Westlake 30-day implied volatility went from 48.1% on Oct 7, 2026 to 39.5% on Nov 4, 2026. See the WLK implied volatility history for a longer view.
What is Westlake Corporation?
Westlake is a forward-integrated commodity chemicals firm based in Houston.