What is the Smoothed Moving Average (SMMA) Indicator?
The Smoothed Moving Average (SMMA) is a moving average that carries old price data forward instead of dropping it out of the lookback window. It plots as a single line on your chart — slower than an EMA, smoother than an SMA. It filters out the noise that gets you chopped up by every wick.
Use it as a trend filter. Price above the line means buyers have control. Price below means sellers have control.
How is the Smoothed Moving Average (SMMA) Indicator Calculated?
The SMMA starts with a simple average for the first value, then updates each new bar using the previous SMMA. Older prices fade out gradually because the smoothing is built into the math itself. Standard lookback period (N) is 14 or 20, applied to the close.
First value (seed): SMMA(1) = (Sum of the last N closes) / N
Recursive update: SMMA(i) = [SMMA(i-1) × (N − 1) + Close(i)] / N
Every platform plots this for you. Knowing the math tells you why the line moves slowly: each new candle nudges the average rather than yanking it around.
How to Use the Smoothed Moving Average (SMMA) Indicator in Trading?
The SMMA works best as a slow trend filter. Only take trades in the direction price is showing relative to the line — and stop reacting to every wick like a reversal signal. Focus on sustained closes rather than single candles.
Trend bias: Price holding above the SMMA = bulls in control. Price holding below = bears in control.
Pullback entries: In an uptrend, wait for price to retrace into the SMMA and reclaim it with a strong close. In a downtrend, look for a retest from below that fails — that signals a short entry.
Crossovers (two SMMAs): A fast SMMA crossing above the slow SMMA marks a bullish regime shift. The opposite cross marks a bearish shift.
Stops and invalidation: Place stops beyond the most recent swing, or beyond the SMMA if you're entering on a pullback to the line. A clean break and hold through the line means trend pressure flipped — exit the trade.
Treat the SMMA as a filter. Pair it with your levels, structure, and entry triggers — don't buy just because price is above a line.