1, the daily fluctuation of foreign exchange price is small, and the fluctuation of crude oil price is large;

2. Foreign exchange varieties are not conducive to analysis, and crude oil varieties are single;

3. The daily turnover of foreign exchange market is greater than that of crude oil;

4. Manipulation exists in the foreign exchange market;

5. Most foreign exchange dealers are abroad, mostly in the United States; Most crude oil traders are in Chinese mainland and Hongkong. The change of crude oil price is mostly caused by the relationship between supply and demand of crude oil itself and the influence of international political relations.