ETH bearish, from the online perspective, there are a total of three short positions: 2770, 2785, 2820.
Assuming you have $100 in capital, short $10 at 2770, short $20 at 2785, and at 2820, you can short $100.
0.1x → 0.2x → 1x
If it continues to rise, then continue to add.