According to Lookonchain, on May 19, 10 Bitcoin ETFs recorded a net inflow of 2,013 BTC, equivalent to $210.67 million, indicating increased institutional interest in Bitcoin. The iShares (Blackrock) Bitcoin ETF led with an inflow of 1,250 BTC ($130.81 million) and currently holds a substantial 633,212 BTC ($66.28 billion), underlining its dominant market share. In contrast, 9 Ethereum ETFs saw a net outflow of 1,002 ETH ($2.46 million), with Grayscale's ETHE responsible for a significant outflow of 6,640 ETH ($16.33 million). These ETF flows highlight shifting institutional sentiment and are key indicators for short-term crypto price action and volatility. Source: Lookonchain (Twitter).