if crosses below 254, then a short position can be made near 255.5
if crosses above 259, a buy position can be made near 257.7
if crosses above 259, a buy position can be made near 257.7
交易结束：到达目标:
at 10:30, 5 min candle broke 254 and made low of 253.7
then sell active at 255.5, high went till 257 and then crashed to 247.5
then sell active at 255.5, high went till 257 and then crashed to 247.5