Trading sharks n crabs are the most risky patterns bcos its not like other patterns where we can expect a around D completion. Crabs will always have their D legs extended way beyond to 1.618 and sometime continues their move upto 2.24 extension levels. So if you really ok with the risk enter the trade with proper stops, Crabs are as much as rewardable though it has high risk. Better I suggest to wait for an hour or later after market opening to get confirmation in Nifty before entering the setup
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