The Sideways Market Indicator MT5 is a technical analysis tool designed to highlight periods when the market is moving within a relatively narrow range rather than forming a sustained bullish or bearish trend.
The exact calculation can differ between versions of the indicator.
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Many sideways-market tools examine factors such as recent price range, candle movement, volatility, moving-average behavior, or the distance between recent highs and lows.
Some versions may also use ATR-style volatility measurements to determine whether current movement is strong enough to qualify as a trend.
The basic idea is straightforward: when price movement remains compressed and directional strength is weak, the indicator identifies the condition as sideways or ranging.
For example, suppose EUR/USD on the 1-hour chart trades between 1.0920 and 1.0955 for several sessions.
The total range is only 35 pips, while the pair repeatedly rejects both boundaries.
A trader using a trend-following system might receive several signals during this period.
A sideways market filter can warn that the environment isn’t ideal for those entries.
The indicator should therefore be viewed as a market-condition tool, not a standalone buy or sell system.

