Simple price action on 9.30 to 9.45 15 minute candle breakout.

Simple price action on 9.30 to 9.45 15 minute candle breakout,  ie if high is break then take Buy order and low is stop-loss, if low is break then take sell order and high is stop-loss, High minus Low will be the SL and Targets, as soon as the 9.45 candle starts both Buy and Sell orders should be placed immediately,  once any side of order is placed, modify the another side of order by double, it means if SL  triggered another side order will be placed by double quantity, and if Target achieved then cancel all orders.