indicator · on price · open source

Gann HiLo Activator

Deepwick · @deepwickv1Updated 2 Oct 2026▲ 0 users
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About

Gann HiLo Activator switches its value between yesterday's low (uptrend) and yesterday's high (downtrend) based on where the SMA of close sits. A clean trailing-stop line.

  • Long when the line is below price and the SMA is rising; short when above and falling.
  • Used by Gann followers as both entry trigger and trailing exit.
  • Pair with a longer-term trend filter for swing trades.

Source code

//@version=5
indicator("Gann HiLo Activator", overlay=true)
len = input.int(10, "SMA Length", minval=2)
sma = ta.sma(close, len)
hilo = close > sma ? low : high
hilo := close > sma[1] ? low : (close < sma[1] ? high : hilo[1])
p_HiLo_Activator = plot(hilo, "HiLo Activator", color=close > sma ? color.green : color.red, linewidth=2)
alertcondition(ta.crossover(close, hilo), "Price above HiLo", "Close crossed above the HiLo activator")
alertcondition(ta.crossunder(close, hilo), "Price below HiLo", "Close crossed below the HiLo activator")

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