According to the CoinShares report, the net inflow of digital asset investment products last week was 43.7 million US dollars, of which Bitcoin investment products had a net inflow of 14.3 million US dollars, Ethereum investment products had a net outflow of 800,000 US dollars, and short Bitcoin investment products had a net inflow of 18.4 million US dollars. At present, the fund management scale of short bitcoin products has reached 173 million US dollars, which is close to the historical high of 186 million US dollars.