How to set condition rules

I have coded this buy/sell strategy in Pine Editor/TradingView:

buy_condition= a<b
sell_condition= a>b

strategy.entry("Long", strategy.long, when=buy_condition)
strategy.exit("L_Out", "Long", profit=1000, loss=500)
strategy.entry("Short", strategy.short, when=sell_condition)
strategy.exit("S_Out", "Short", profit=1000, loss=500)

While in a long or short position, it changes position when opposite condition become true, but i want it to keep in position until it hits profit or stop loss. Then it can enter any position that fits again. How can i code this rule?

Answer

Maybe you want to replace your:

buy_condition= a<b
sell_condition= a>b

by:

def buy_condition(a, b):
    return a < b


def sell_condition(a, b):
    return a > b

When you create buy_condition, it compute the result at this moment, not later. So if a<b at this line, it will always be True later.

If you pass those functions to your strategy.exit method, you have to call the function with somethink like by_condition(a, b).

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Answer