//@version=6
strategy("Array Advanced Helpers", overlay=true, pyramiding=0)
base = array.from(close, open, high)
array.insert(base, 1, hl2)
removed = array.remove(base, 0)
copyBase = array.copy(base)
array.sort(copyBase, order.ascending)
lowest = array.get(copyBase, 0)
highest = array.get(copyBase, array.size(copyBase) - 1)
lastHighestIndex = array.lastindexof(copyBase, highest)
fast = ta.ema(close, 8)
slow = ta.ema(close, 21)
biasOk = not na(lowest) and not na(highest) and not na(removed) and close > lowest and lastHighestIndex >= 0
if ta.crossover(fast, slow) and biasOk
strategy.entry("L", strategy.long)
if ta.crossunder(fast, slow)
strategy.close("L")
if ta.crossunder(fast, slow) and close < highest
strategy.entry("S", strategy.short)
if ta.crossover(fast, slow)
strategy.close("S")
Overview
Array Advanced Helpers builds arrays from close, open, high and hl2 to compute the lowest and highest values along with the last index of the highest. Two EMAs with periods 8 and 21 generate crossover and crossunder signals. A bias filter activates only when close exceeds the array lowest and the last highest index is non-negative. Long entries trigger on fast EMA crossover with bias active. Long positions close on any fast EMA crossunder. Short entries activate on fast EMA crossunder when close falls below the array highest. Short positions close on fast EMA crossover. The strategy uses no input settings, no stop loss and disables pyramiding.
Third-party code. ForexR did not write, test or endorse this script, and the summary above was generated automatically from its code and README. Indicators describe the past, and a strategy's backtest can look better than live trading, especially when a script repaints. Check it in the Strategy Tester and on a demo account before you rely on it.
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