Sigma HeatmapCME_MINI:NQ1! CME_MINI:ES1! NASDAQ:QQQ AMEX:SPY NASDAQ:NDX SPCFD:SPX CBOE:VXN CBOE:VIX
Sigma Heatmap
Colours each candle by how far price (ohlc4) is stretched from its rolling mean, measured in standard deviations (σ).
• Grey – within 2σ (normal)
• Light grey – between 2σ and 3σ (stretched)
• White – beyond 3σ (statistical extreme)
The lookback adapts to volatility: 50 bars in a normal ATR regime, shorter when ATR (14) runs above its 200-bar average, longer when it runs below (cl
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