Candle Body Volatility Histogram

This is a statistical analysis tool for TradingView designed to visualize the volatility of candle bodies. Unlike standard indicators that focus on price levels, this one measures the "thickness" of the candle ($|Open - Close|$) and determines how significant a move is compared to recent history.Here is the overview of the Candle Body Volatility Histogram:1. Core Logic: Statistical Body AnalysisThe script applies the concept of Standard Deviation (Sigma)—commonly used in Bollinger Bands—directly to the size of the candle bodies.Body Size ($|Open - Close|$): It ignores the wicks and calculates the pure strength of the close.Average Body (SMA): The yellow line represents the "normal" size of a candle over the lookback period (default: 20).Sigma Levels (1σ, 2σ, 3σ): These lines act as thresholds to identify statistically unusual price action.2. Visual ComponentsThe indicator appears in a separate sub-window with the following elements:ElementDescriptionHistogram (Bars)Color-coded based on the candle type: Lime for Bullish, Red for Bearish.Yellow LineThe Average Body Size. If bars are below this, the market is quiet.Sigma 1, 2, 3 LinesBlue-toned lines showing increasing levels of volatility.Blue Background FillHighlights the area between Sigma 2 and Sigma 3, marking the "Extreme Volatility Zone."