SWB Grid : Best and free martingale EA

SWB Grid 4.1 is the best martingale expert advisor for forex trading.
There is no specific rule about using this EA. Test it and find best setting for you. But I think default setting is good enough.
I personally use this on GBPUSD M5 timeframe.
Use micro lot (0.01) for margin at least $2000
Here is how it looks on backtest:

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