Today nifty made DOZI type candle. which denotes strong fight b/w buyers and sellers. so there should not be bias view in the market. follow trend. Today high low is very important for tommorow
if nifty open near today close 18691 and crosses 18720 then u can long. because today nifty in 15 min candle made double bottom type pattern.
if nifty open gap down near today low then last support 18646. it break than gud down side will be there 18555.