BTC down 0.65% in 15 minutes: Large spot selling orders dominate short-term pullback, panic sentiment intensifies volatility amplification

On March 20, 2026, from 13:45 to 14:00 (UTC), BTC dropped 0.65% within 15 minutes, with price fluctuations ranging from 69,795.3 to 70,399.4 USDT, and an amplitude of 0.86%. Market volatility increased in the short term, trading activity rose, and investor attention intensified.

The main driver of this movement was the concentrated release of large active sell orders in the spot market. During this period, multiple large sell orders exceeding 100 BTC appeared on major trading platforms, with sell orders accounting for 52%, directly pushing the price downward. The largest sell order was about 120 BTC, executed below the intraday median price, indicating that a few large holders were reducing their positions ahead of macro events, temporarily suppressing the market price. The derivatives market followed passively, with limited forced liquidations, and no self-reinforcing downward chain reaction occurred.

Additionally, extreme panic sentiment and liquidity contraction resonated. Before the FOMC meeting on March 18, macro uncertainties fermented in the market, with the fear and greed index at only 15/100, and extreme panic lasting for 38 days. Short-term funds actively avoided risk amid macro disturbances, leading to decreased order book depth and further tightening of liquidity, making prices highly sensitive to sell order changes. Meanwhile, on-chain transfer volume and position structures remained stable, with no abnormal fund flows in ETF and institutional products, and no signs of structural risk signals. The sell pressure within the market became the core variable.

Currently, volatility risk is rising, and changes in liquidity and large orders are key short-term indicators. If sell volume continues to increase or macro event expectations shift, caution is needed regarding leverage chain liquidation risks in the derivatives market. Prices face short-term pressure; investors should continuously monitor support levels, major fund behaviors, and macro signals, as there is a possibility of further amplified market fluctuations. It is recommended to closely follow market developments.