TASC 2022.05 Relative Strength Exponential Moving Average

The TASC 2022.05 Relative Strength Exponential Moving Average indicator provides an adaptive trend-following tool that utilizes price relative strength to reduce lag and improve responsiveness to market fluctuations.

Usage

The Usage section describes how the script can be used to identify trends and potential reversal points. Because the RS EMA adapts its smoothing factor based on price momentum, it reacts faster to trend changes than a standard Exponential Moving Average.

• Trend Identification: Traders can use a single RS EMA to define the current trend direction. When price remains above the RS EMA, the trend is considered bullish; when price remains below, the trend is considered bearish.
• Trend Confirmation: The indicator can be paired with a standard EMA of the same length. If the RS EMA is above the standard EMA, it signals strengthening bullish momentum.
• Filtering Movements: By adjusting the RS Multiplier, users can fine-tune how sensitive the indicator is to volatility, allowing it to filter out minor price noise while capturing significant moves.
• Crossovers: Price crossovers with the RS EMA can serve as entry or exit signals, indicating a potential shift in market regime.

Details

The Relative Strength Exponential Moving Average (RS EMA) was introduced by Vitali Apirine in the May 2022 edition of Technical Analysis of Stocks & Commodities (TASC). The core concept involves using a relative strength calculation—similar to the logic found in the Relative Strength Index (RSI)—to adjust the smoothing constant of an EMA.

The calculation follows these logic steps:

1. Relative Strength Calculation: The script determines the upward and downward price changes over a specific RS length, applying exponential smoothing to these changes.
2. Adaptive Smoothing Rate: A "Relative Strength" value is derived by calculating the absolute difference between smoothed gains and losses, divided by their sum.
3. Final EMA Calculation: This RS value is multiplied by a user-defined coefficient and applied to the standard EMA multiplier. This makes the moving average "faster" when price strength is high and "slower" during periods of consolidation.

Settings

• Source: Determines the price data used for the calculation (e.g., Close, Open, High, Low).
• EMA Length: The lookback period for the base exponential moving average calculation.
• RS Length: The lookback period used specifically to calculate the relative strength component that adapts the average.
• RS Multiplier: A coefficient that controls the intensity of the adaptive effect; higher values make the indicator more responsive to price strength.

FAQ

How does RS EMA differ from a standard EMA? While a standard EMA uses a fixed smoothing constant, the RS EMA dynamically adjusts its smoothing rate based on the relative strength of price movements, resulting in less lag during strong trends.

What are the recommended settings for this indicator? The author, Vitali Apirine, suggests starting with typical settings of 10 for the EMA length, 10 for the RS length, and 10 for the RS multiplier, though these should be adjusted based on the specific timeframe and asset.

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