BTC 15-minute increase of 0.49%: Driven by ETF capital inflows and leveraged long positions in derivatives resonating together

From 22:45 to 23:00 on April 13, 2026 (UTC), BTC price recorded a +0.49% return, with rapid fluctuations between 74,148.0 and 74,741.9 USDT, with an amplitude of 0.80%.
During the anomaly window, market attention increased, spot and derivatives trading became active, and volatility intensified.
The main driver of this movement was continuous net inflows into ETFs boosting spot market buying, while leveraged longs in derivatives markets increased positions, with overall funding rates remaining bullish.
Open interest in BTC perpetual contracts rose in tandem, indicating leveraged funds pushing the spot price higher, and net subscriptions to spot ETFs continued to drive actual demand.
Exchange BTC balances dropped below 2.3 million coins, hitting multi-year lows, with persistent reduction in spot selling pressure and tightening liquidity further supporting short-term price gains.
Additionally, 24-hour spot trading volume increased over 50% compared to the previous day, significantly improving market liquidity.
Combined with increased institutional buying, macroeconomic stabilization, and clearer regulatory outlooks, these factors provided external support for bullish sentiment.
Leading institutions continued to increase their BTC holdings, further reinforcing long-term allocation logic.
On-chain data showed no abnormal whale movements or panic-driven anomalies; derivatives liquidation amounts remained within normal ranges, and short-term risks were not triggered by a single event but amplified by multiple structural resonances.
Currently, attention should be paid to leverage volatility risks caused by rising derivatives positions and funding rates, as well as liquidity tightening due to declining exchange balances.
If spot buying momentum slows or sudden events occur, the potential for a correction increases.
It is recommended to continuously monitor perpetual contract positions, ETF subscription flows, and large on-chain fund movements to remain alert to short-term sharp fluctuations.
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