I only knew the contract before

It’s the first time today. I participated a little bit. The position was opened at 6 o’clock and the position was liquidated at 11 o’clock.

It came so suddenly...

You still have to wait for the general trend. If the environment is good, you will just pick up money. If the environment is not fun, the high-difficulty mode will win and lose half, which is a waste of energy.