According to news on February 25th, spot Bitcoin ETF funds are experiencing a rare continuous outflow cycle, with net buybacks for six consecutive weeks and a significant shift in institutional capital attitudes. Data shows that the net daily cash flow reached $203.8 million on February 23rd alone, and ETFs, previously considered long-term allocation tools, have now become one of the primary sources of phased selling pressure, directly exacerbating market volatility. At the price level, Bitcoin has fallen below the critical $63,000 mark, nearly 50% retracement from its all-time high of around $126,000 in October 2025, and market risk appetite has cooled significantly. Currently, the average cost to hold a position for ETF investors is about $84,100, and with the current price hovering around $68,000, most institutions are still experiencing floating losses of about 20%, which further amplifies the buyback momentum. From a structural perspective, the outflow of capital indicates institutional dominance rather than just retail withdrawal. Among them, BlackRock's IBIT has become the main source of outflow, accounting for more than half of the total daily buyback volume, indicating that large asset management funds are gradually reducing their exposure to Bitcoin. Conversely, only a few funds have seen inflows, such as VanEck's HODL, which registered a net inflow of approximately $6.4 million, reflecting that some funds consider below $70,000 as a medium- to long-term allocation range, but the scale is still insufficient to reverse the overall trend. Ethereum ETFs are also under pressure, with a net cash flow of about $49.5 million in one day, including BlackRock's ETHA buyback of $45.4 million, and the signs of capital withdrawal are very consistent with Bitcoin products, indicating that institutions are reducing their overall cryptocurrency asset allocations rather than rotating a single asset. Notably, funds have not completely exited the crypto ETF route. During the same period, funds related to Solana saw a net inflow of about $8 million, and Bitwise's BSOL contributed approximately $6.3 million, suggesting that some funds are beginning to shift into high-growth narrative assets. Additionally, the flow of XRP-related ETFs remains essentially flat, and the market is in a wait-and-see mood. ETF capital flows are becoming an important forward-looking indicator for assessing Bitcoin price trends. If net flows continue, Bitcoin's short-term recovery space could be constrained. Conversely, once buyback scales shrink or even turn into net inflows, it could provide genuine liquidity support for the next market cycle. At this stage, institutional behavior, rather than retail sentiment, is driving the medium-term trend of the cryptocurrency market.