According to your settings, at the close of the candle, the following will happen as you have on retracement set to false.
Closing Buy Trades
if RSI value < lower threshold of 25
if there is no buy trade open
open buy trade
close sell trade
if RSI value > upper threshold of 75
if there is no sell trade open
open sell trade
close buy trade
If there is no sell trade open, a buy trade will not close and visa versa, only a single trade will close as the strategy allows one trade to be open at any time.
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