According to Lookonchain, May 13 data reveals that 10 Bitcoin ETFs experienced a net outflow of 268 BTC (approximately $27.9 million), with Grayscale (GBTC) alone accounting for an outflow of 655 BTC ($68.16 million) and currently holding 188,604 BTC ($19.64 billion). Meanwhile, 9 Ethereum ETFs posted a combined net outflow of 4,189 ETH ($10.83 million), with Fidelity leading the redemptions by withdrawing 3,247 ETH ($8.39 million) but maintaining a position of 400,916 ETH ($1.04 billion). These significant ETF outflows signal potential short-term bearish sentiment and increased volatility for both Bitcoin and Ethereum, prompting traders to closely monitor ETF flows for directional cues. Source: Lookonchain.

According to Lookonchain, on May 5, 2025, the combined net inflow for 10 Bitcoin ETFs reached 7,887 BTC ($742.4 million), with BlackRock's iShares ETF accounting for 6,954 BTC ($654.59 million) and now holding 614,639 BTC ($57.86 billion). For Ethereum, 9 ETFs reported a net inflow of 10,619 ETH ($19.2 million), with iShares alone adding 10,898 ETH ($19.7 million) to its holdings. This substantial inflow into major ETFs, especially from BlackRock, signals sustained institutional demand for both Bitcoin and Ethereum, which is a bullish indicator for short-term trading strategies (source: Lookonchain via Twitter, May 5, 2025).