2026-04-13 22:45 to 2026-04-13 23:00 (UTC), the BTC price recorded a +0.49% return, rapidly fluctuating in the USDT range of 74148.0 to 74741.9, with an amplitude of 0.80%. Within the anomaly window, market attention increased; spot and derivatives trading became more active, and volatility intensified.
The main drivers behind this anomaly are sustained net inflows of ETF funds boosting buy-side demand in the spot market, while in the derivatives market, leveraged longs increased positions, keeping the funding rate overall biased to the upside. BTC perpetual contract open interest rose in tandem, indicating that leveraged capital is pushing spot upward synchronously. Spot ETF net subscriptions continued to drive underlying demand. Exchange BTC balances fell to below 2.3 million coins, the lowest level in years; spot sell pressure continued to ease, and tighter liquidity further supported a short-term push higher in price.
In addition, the spot market’s 24-hour trading volume grew by more than 50% compared with the previous day, with liquidity improving significantly. Coupled with strengthening institutional buy-side momentum, and supported by a macro environment that is stabilizing and progress toward clearer regulation, this provided external support for the release of bullish sentiment. Major institutions continued to accumulate BTC, further reinforcing the logic for long-term allocation. On-chain data shows no abnormal whale fund transfers or panic-driven anomalies. Derivatives liquidation amounts remain within a normal range. In the short term, risk has not been triggered by a single event; instead, multiple structural factors are amplifying each other.
Going forward, focus should be on the leverage-driven volatility risk arising from elevated derivatives positions and rising funding rates, as well as liquidity tightness caused by declining exchange balances. If spot buying momentum slows or a sudden event occurs, pullback elasticity will increase. It is recommended to continue tracking perpetual contract open interest, ETF subscription fund flows, and on-chain large-value fund behavior, and to remain vigilant about the risk of sharp short-term volatility. For more real-time market data, please follow subsequent flash news.
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