I have traded manually this way with almost 100% success rate. Automating it will make it a lot easier. I trade this way during very volatile times, like one minute after red news release or London and NY open because all you need is the price to move at least 5 pips in one direction and you exit the grid with pip profit. The good thing is that you can use it a lot during the day.
I trade this strategy after volatile events, I enter in one direction and TP 2-3 pips, if trade goes against me for 2-3 pips I hedge the trade with triple the volume and if the price goes 3 more pips in the same direction I exit with profit, but if the price retracts again after the second trade and comes at the same level with the first trade I hedge the second trade with triple the volume and if the price continues for 3 or more pips I exit with profit. So simple.
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I trade this strategy after volatile events, I enter in one direction and TP 2-3 pips, if trade goes against me for 2-3 pips I hedge the trade with triple the volume and if the price goes 3 more pips in the same direction I exit with profit, but if the price retracts again after the second trade and comes at the same level with the first trade I hedge the second trade with triple the volume and if the price continues for 3 or more pips I exit with profit. So simple.
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