Recently, I have mainly been trading contracts on Ethereum, after all, it is the hottest. Previously, I shorted at 4656 and made a profit, then in the range of 4400 to 4450, I let my friends go long in batches, and those who followed the operation also made over 8000 dollars. However, it's a bit of a pity that after taking profit, I couldn't timely reverse to short, missing out on an opportunity #ETH