The second kind of reasonable position control, the smaller the position, the safer it is, the stronger the ability to resist risks, and of course the profit will be reduced accordingly;
The third kind of hedging can be done. Narrow hedging refers to the reverse locking operation of the same currency pair. Generalized hedging refers to choosing high-volatility and low-volatility products on the same platform, and then making orders in reverse, so that the position is safe. If a product with high volatility completes a band, it will gain revenue.