# Implied Volatility Plots the implied volatility index matched to the chart symbol (VIX, VXN, RVX, VXD, GVZ, OVX, EVZ, or BVIV/EVIV) with IV Rank and IV Percentile over a 252-session lookback. Regime bands, a 21-session realized-volatility overlay, and a dashboard reporting the IV minus RV premium and 30-day expected move turn options pricing into a stop-and-size read for any trader. - Indicator in the LuxAlgo Library, by LuxAlgo, published Jun 12, 2026. - Access: free. - Concepts: [Implied Volatility](https://www.luxalgo.com/library/concept/implied-volatility/) (primary) - Open on Vela: https://vela.luxalgo.com/chart?pineScriptCodeId=o2z5pkx49lskvrranekqvvjb - Page: https://www.luxalgo.com/library/indicator/implied-volatility/ **Implied Volatility** auto-detects the published [implied volatility](https://www.luxalgo.com/library/concept/implied-volatility/) index matching the chart symbol (VIX for the S&P 500, VXN for the Nasdaq 100, GVZ for gold, OVX for crude, EVZ for EUR/USD, BVIV/EVIV for crypto) and plots it with IV Rank and IV Percentile over a 252-session lookback. Regime bands frame the print inside its 52-week range, and a realized-volatility overlay exposes the volatility risk premium. ## How to Trade the Implied Volatility? - **High regime (IV Rank at or above 50)**: premium rich versus its own year. Expect wider movement when sizing and placing stops. - **Low regime (IV Rank at or below 20)**: premium cheap versus the past year, compressed expectations that often precede expansion. - **IV crossing above realized volatility**: the market paying for more movement than delivered; the IV − RV row tracks the spread. - **1σ expected move**: the dashboard converts IV into a ±price range, the direct input to stop distance and position size. The rest of the [volatility family](https://www.luxalgo.com/library/family/volatility/) measures what price did; this pane shows what options are paying for next. ## Implied Volatility Settings - **IV Source** (default Auto): auto-detect the symbol's IV index or read the manual symbol. - **Manual IV Symbol** and **Auto Fallback Index** (defaults CBOE:VIX): the Manual series and the proxy Auto falls back to. - **IV Timeframe** (default D): where the IV series is sampled. - **Lookback (Sessions)** (default 252): the IV Rank and IV Percentile window, the 52-week convention. - **Rank High ≥ / Low ≤** (defaults 50 / 20) and **Percentile High ≥ / Low ≤** (defaults 80 / 20): the regime thresholds. - **Realized Volatility Length** (default 21): close-to-close window, annualized to the IV scale. - **Expected Move Horizon (Days)** (default 30): calendar days behind the 1σ move. - Dashboard, band display, and colors are style options. ## Frequently Asked Questions ### How does implied volatility differ from historical volatility? [Historical volatility](https://www.luxalgo.com/library/indicator/historical-volatility/) measures the movement a market actually delivered; IV measures the movement being paid for now, extracted from option prices. This build plots both, making the premium directly visible. ### Why quote both IV Rank and IV Percentile? One extreme spike inflates the 52-week range and compresses later rank readings; the percentile just counts sessions that printed lower, so it is usually the more robust of the two. ### What happens on symbols without an options market? Auto mode reads the Auto Fallback Index and the dashboard tags the source "(proxy)". A related market's IV still works as a regime read, but the expected move then derives from the proxy's pricing, an approximation. ## Related indicators - [Put/call Ratio](https://www.luxalgo.com/library/indicator/put-call-ratio/) (Breadth, Sentiment & External Data): markdown at https://www.luxalgo.com/library/indicator/put-call-ratio.md - [Volume Bubbles & Liquidity Heatmap](https://www.luxalgo.com/library/indicator/volume-bubbles-liquidity-heatmap/) (Breadth, Sentiment & External Data): markdown at https://www.luxalgo.com/library/indicator/volume-bubbles-liquidity-heatmap.md - [Crypto Liquidation Heatmap](https://www.luxalgo.com/library/indicator/crypto-liquidation-heatmap/) (Breadth, Sentiment & External Data): markdown at https://www.luxalgo.com/library/indicator/crypto-liquidation-heatmap.md - [Liquidation Levels](https://www.luxalgo.com/library/indicator/liquidation-levels/) (Breadth, Sentiment & External Data): markdown at https://www.luxalgo.com/library/indicator/liquidation-levels.md - [Market Breadth Toolkit](https://www.luxalgo.com/library/indicator/market-breadth-toolkit/) (Breadth, Sentiment & External Data): markdown at https://www.luxalgo.com/library/indicator/market-breadth-toolkit.md - [Bitcoin Power Law Clock](https://www.luxalgo.com/library/indicator/bitcoin-power-law-clock/) (Breadth, Sentiment & External Data): markdown at https://www.luxalgo.com/library/indicator/bitcoin-power-law-clock.md - [Bitcoin Power Law](https://www.luxalgo.com/library/indicator/bitcoin-power-law/) (Breadth, Sentiment & External Data): markdown at https://www.luxalgo.com/library/indicator/bitcoin-power-law.md - [Open Interest Inflows & Outflows](https://www.luxalgo.com/library/indicator/open-interest-inflows-outflows/) (Breadth, Sentiment & External Data): markdown at https://www.luxalgo.com/library/indicator/open-interest-inflows-outflows.md --- Source: https://www.luxalgo.com/library/indicator/implied-volatility/ (LuxAlgo Library). Free to use with attribution: https://www.luxalgo.com/library/license/