Statistics: After the opening of the US stock market tonight, approximately 1437 BTC will be net outflows from ETF custody addresses

ChainCatcher report: According to on-chain analyst Yu Jin's monitoring, on March 21st, ten BTC spot ETFs had a net outflow of $93.83 million. Correspondingly, after the opening of the US stock market tonight (March 22nd), ETF custody addresses are expected to have a net outflow of about 1,437 BTC:

- Outflow: Grayscale (GBTC) saw an outflow of around 5,493 BTC (corresponding to a fund outflow of $358.79 million on 3/21);
  
- Inflows: The other nine ETFs had inflows totaling approximately 4,056 BTC (corresponding to a fund inflow of $264.96 million on 3/21), with BlackRock (IBIT) being the main contributor with an inflow of 3,574 BTC ($233.45 million).

Currently, the total amount of BTC held by these ten spot ETFs is 825,350 BTC ($53.91 billion).