On-chain analyst Yu Jin wrote that based on the inflow/outflow of BTC spot ETF funds on January 23, it is expected that when the US stock market opens at 22:30 tonight, there will be a transfer of approximately 3,750 BTC ($930 million) in each ETF custody address:
1. Approximately 13,157 BTC will flow out of the Grayscale GBTC custody address (US$515 million will flow out on 1/23);
2. The remaining nine ETF custody addresses will have an inflow of approximately 0,593 BTC (1/23 will see an inflow of US$400 million).
The current ten BTC spot ETFs hold a total of approximately 647,426 BTC in BTC.