Supertrend
An ATR band that locks until the close crosses it, then flips side.
Formula
Bands = (High + Low) ÷ 2 ± multiplier × ATR
How to read it
Below price (green): uptrend; above (red): downtrend.
How to use it
A trend filter and trailing stop in one line.
Limitations
Lags at turns and whipsaws in tight ranges.
In Kereon
Charts · Superchart. Defaults ATR 10 × 3. The upper band only moves down and the lower only up until the close crosses the band being ridden — the locking that makes it Supertrend rather than a plain ATR band.
Also called: super trend, atr stop.