Spectral MA Channel

Spectral MA Channel is a volatility-adaptive trend channel built around a sine-wave weighted moving average. Instead of using linear or exponential weighting, this indicator applies a spectral sine function to price data, emphasizing cyclical balance and reducing lag without repainting. The result is a smooth central average that reacts naturally to rhythm changes in the market, surrounded by dynamic volatility bands derived from standard deviation.

The main Spectral MA (blue line) represents the core directional bias. Around it, two sets of volatility envelopes are plotted. The outer bands reflect full volatility expansion using the standard deviation multiplier, while the inner bands represent a half-strength volatility zone. This dual-band structure helps distinguish normal price fluctuation from statistically extreme movement.

When price closes outside the outer bands, optional X-cross markers appear on the chart. These marks highlight exhaustion or breakout conditions where price has deviated significantly from its spectral mean. All calculations are forward-safe and non-repainting, making the indicator suitable for live trading and backtesting.

How to use

Use the Spectral MA as a trend filter: trade long when price holds above the central line and short when it remains below. The inner bands act as dynamic pullback zones for continuation entries, while the outer bands define extreme conditions. Crosses above the upper band often signal overextension or breakout momentum; crosses below the lower band highlight potential capitulation or reversal zones. For best results, combine with structure, session context, or momentum confirmation rather than using signals in isolation.

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