A moving average (MA) is a statistic that recomputes the average of the last N closing prices each time a new bar arrives, dragging a smoothed line along the chart. It is the oldest and most widely used trend-following indicator in technical analysis.
Traders read moving averages two ways: as a dynamic trend filter (price above a long MA = uptrend) and as a dynamic support/resistance level (price tends to pull back to it). The two most common variants are the simple moving average (SMA) and the exponential moving average (EMA), which differ in how they weight older observations.
A moving average always lags price: the longer the window, the more lag and the less noise. Choosing the window length is the central trade-off — too short and it whipsaws, too long and signals arrive after the move is over.
Formel
MA_t = (P_{t} + P_{t-1} + ... + P_{t-N+1}) / NBeispiel
20-period MA of closes [100, 102, 101, ..., 110] = sum of the last 20 closes ÷ 20. If the sum is 2,080 then MA = 104.
Wie Noon Barbari Moving average nutzt
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See the indicators reference →Verwandte Begriffe
- Indikatoren
Simple moving average (SMA)
Unweighted arithmetic mean of the last N closes. Every bar counts equally.
- Indikatoren
Exponential moving average (EMA)
Weighted moving average that gives recent bars exponentially more weight.
- Indikatoren
Volume-weighted average price (VWAP)
Average price weighted by volume — the institutional benchmark for intraday fills.
- Marktstruktur
Trend
A persistent directional drift in price — up, down, or sideways.