Skew/Term Structure History
Historical volatility curves
Track volatility skew and term structure patterns over time.
Sparkline Widgets
| Metric | Description |
|---|---|
| Risk Reversal 25 | IV difference between 25-delta put and call |
| IV Skew Z Score | Current skew vs historical average |
| Call Wing Ratio | OTM call IV relative to ATM |
| Put Wing Ratio | OTM put IV relative to ATM |
Charts
Volatility Skew Analysis
- Risk Reversal 25, Call/Put Wing Ratios
- Skew Slope 10-50, Skew Asymmetry, IV Skew Z Score
Delta-Based Implied Volatility
- IV at 10-delta Call and Put
- ATM IV, Vega Weighted IV
Term Structure & Time Decay
- IV Front (nearest expiration), IV Next
- Front/Next Ratio
- IV at 30, 60, 90 DTE
Volatility Structure & Slope
- IV Slope, IV Slope Ratio
- Vol Term Structure Slope, Vol of Vol
Interpreting Skew
| Pattern | Meaning |
|---|---|
| Positive Risk Reversal | Puts more expensive than calls (normal) |
| Negative Risk Reversal | Calls more expensive than puts (unusual) |
| High Put Wing Ratio | Elevated tail risk pricing |
| Steep IV Slope | Strong skew—fear of downside |
Interpreting Term Structure
| Pattern | Meaning |
|---|---|
| Front < Next (Contango) | Normal market conditions |
| Front > Next (Backwardation) | Near-term event risk |
| IV 30 spike | Event within 30 days |
Note: Skew patterns reflect market expectations, not predictions.