HSI follow the world trend US and Euro market in HSI cash hourGreen and blue lines are the daily trend and VWAP is in red. You may observe that HSI night market did not follow much on the drop of US and Euro market, as during the HSI night market, the participants are relatively less than the cash hours (GMT+8, 0930 to 1600 hr). When HSI cash hours start, world wide major participants will trade in the HSI cash hours. Therefore, you will find a clue from the movement of US and Euro market before you participate in the HSI trading.