1. security: if foreign funds want to go abroad, they must be supervised. In terms of the domestic market, China has just been reorganized, and it can only play with Shanghai TDi and futures gold. The funds are safe and there is no need to leave the country.

2. Income/risk: The external disk is generally a leverage of 100 times, which can enlarge the funds from small to large. There is less leverage in the inner disk, which is five times that of TD, and the futures price is about 10 times. Remember, the benefits are directly proportional to the risks.

3. Liquidity: The external market trades 24 hours a day, and it can be traded at any time, and there is no price limit. The intraday TD lasted for more than ten hours, and the futures price was up for four hours.

Radish and vegetables have their own tastes. See for yourself and think for yourself.