Grayscale's spot Bitcoin ETF GBTC has received $3.9 million inflows today, the second consecutive day of inflows. Since the Bitcoin ETF was approved in January, Grayscale has been experiencing net outflows, but has started to see net inflows in the last two days, indicating that
1. The demand for Bitcoin ETFs is very strong
2. It indirectly reflects the bullish outlook for Bitcoin's future market
