Before tell anything, pardon me because my english is very2 bad.
Hi guys, i have new idea for trading system.
How if we only buy, and never sell
I have backtest from 2005 till now, because my meta only have that data.
Just buy when RSI < 30
TP 150pips
No SL
Trail stop 100
i use GBPJPY for backtest in TF H4
i'm not trading this system now, but maybe i will after i have a lot of money

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you (programer), i hope can explore this. so we can know how use this idea.
Thanks a lot to your attention.