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Pine Script®

RSIExit = input(55, "RSI Exit")
RSILength = input(4, "RSI Length")

testPeriod() =>
time >= testPeriodStart and time <= testPeriodStop ? true : false

longSMA = sma(close, 200) // 200-day moving average
rsi = rsi(close, RSILength) // relative strength indicator with custom length

longCondition = close > longSMA // closing price is above 200-day sma

if longCondition and testPeriod()
strategy.entry("CALL", strategy.long, 100, when=rsi <= RSIEntry)
strategy.close("CALL", when=rsi >= RSIExit)