Volatility-Adjusted EWMA

The Volatility-Adjusted EWMA indicator provides a dynamic trend-following tool that automatically adapts its sensitivity based on real-time market volatility for more responsive signals.

Usage

The Usage section focuses on identifying market trends through a color-coded moving average line. When market volatility spikes, the indicator adjusts its internal length to react more quickly to price movements, whereas it becomes smoother and more stable during low-volatility periods.

Examples of use:

• Trend Following: Use the color-coded line to determine current market direction. A green line indicates an upward trend (EWMA is rising), while a red line indicates a downward trend (EWMA is falling).
• Volatility Adaptation: Monitor the responsiveness of the line during high ATR periods. The indicator will track price more closely, allowing for earlier exits or entries during sharp moves.
• Smoothing Adjustments: Use the Smoothing Period setting to filter out minor price fluctuations if you prefer a less reactive trend line for longer-term analysis.

Details

The script functions by scaling the standard Exponentially Weighted Moving Average (EWMA) length using the Average True Range (ATR). This creates a dynamic "adjusted length." Specifically, the smoothing factor is recalculated at every bar based on the ratio of volatility to price, multiplied by a user-defined volatility factor. This ensures that the alpha (smoothing constant) increases when the market is volatile, reducing lag. The final output can optionally be passed through a Simple Moving Average (SMA) filter to further refine the visual output.

Settings

• Source: The price data used for calculation (typically the Close price).
• EWMA Length: The base lookback period for the exponentially weighted moving average.
• ATR Lookback Period: The number of bars used to calculate the Average True Range for volatility scaling.
• Smoothing Period: An optional SMA length applied to the final EWMA to reduce noise.
• Volatility Factor: A multiplier that controls how aggressively the indicator responds to changes in volatility.

FAQ

How do I interpret the color changes?

The color changes based on the slope of the smoothed EWMA. Green indicates the value is higher than the previous bar, while red indicates it is lower.

Can I use this for scalping?

Yes, by reducing the EWMA Length and Smoothing Period, the indicator becomes highly reactive to short-term price action and volatility spikes.

How do I access Volatility-Adjusted EWMA?

You can get access on the LuxAlgo Library for charting platforms like TradingView, MetaTrader (MT4/MT5), and NinjaTrader for free.