SD Levels is an indicator for the gap-up gap down markets Works best on 5minute and lower time frames. Involves standard deviation levels, Emas and Vwap. Colorful lines are standard deviation levels which are +0.33,-0.33,+0.66,-0.66,+1.00 and -1.00 based. Static Gray line is settlement line based on the first candle of the day and the tf you choose (default source OHLC4, also works good on close source)