우민규 Woominkyu2026-04-28

Exchange Inflow Spike: A Warning Sign or Just Noise?

On April 27, 2026, Bitcoin exchange netflow surged to +9,905 BTC — the largest single-day net inflow in the past 30 days — as price struggled to break above the $78K resistance zone. The most concerning signal is the Exchange Whale Ratio, which jumped to 0.707 on April 27, the highest reading in over a week. This means the top 10 largest inflow transactions accounted for over 70% of all deposits — a clear sign that large holders are actively moving coins onto exchanges, likely in preparation for distribution. Adding to the concern, exchange reserves have been quietly rising, climbing from 2.666M BTC on April 25 to 2.677M BTC on April 28. A sustained build-up in exchange reserves is a classic precursor to selling pressure. With Bitcoin failing to post a decisive breakout above $78K–$79K despite weeks of consolidation, this growing supply overhang could be the catalyst for a deeper correction. Bottom line: The combination of a whale-driven inflow spike and rising exchange reserves suggests that smart money is preparing to sell into any strength. Unless this inflow is quickly absorbed, a retest of the $74K–$75K support zone is increasingly likely in the near term.