1, the valuation of Hong Kong stocks is low, Hong Kong stocks are cheap and have investment value. A shares and Hong Kong shares of the same company are paid the same, but the price of Hong Kong shares (H shares) of most companies is lower than that of A shares.

2, long and short comparison data, A shares can only be long, can not be short, it is very difficult to judge the main trend. Futures and options of Hong Kong stocks can be shorted, and at the same time, it also provides direct long-short comparison data, which is convenient to grasp the market trend.