Today I went long LINK and more than 100 U were exploded. The remaining ten U were short and BTC exploded again.
Sigh...it's better to protect your capital and earn coins.
Contracts are too deep for newbies to play with.

BTCUSDT
Perp
87,700
-1.22%

LINKUSDT
Perp
12.41
-1.98%