2026-02-16 15:30 至 15:45（UTC）期间，BTC出现15分钟K线收益率-1.17%的下跌，短线价格波动明显加剧，引发市场关注。当前整体加密货币市值在2.31万亿美元左右，较前一日缩水2.27%；BTC市值占比达58.2%。交易量虽温和回升，但投资者情绪依然极度低迷，恐惧与贪婪指数一度跌至5，逼近历史极值。

本次异动的主要驱动力是市场持续的极度恐慌情绪，叠加长期持有者集中抛售。在2月整体回调背景下，链上数据显示，特别是2月5-12日期间，不少长期BTC持有者选择止盈或止损，显著提升了市场抛压。同时，多头杠杆资金被动清算进一步加剧短线抛售压力，推动价格滑落。

此外，宏观经济不确定性和行业负面事件共振放大波动：美国政府关门、贸易摩擦升级和美股同步回调，加速全球市场避险；2月初1.5亿美元的交易平台黑客事件带来的信心冲击尚未消退。技术面上，BTC数次测试71,000美元关键支撑，短线交易者止损盘被触发，MACD短期死叉和RSI处于超卖区间强化了下行趋势，市场对后续反弹预期信心不足。

当前市场风险偏高，短周期内或仍存剧烈波动，需持续关注关键支撑位71,000美元、链上大额资金流向及全球主要经济体宏观消息变动。操作上警惕突发恐慌情绪带来的短线踩踏。建议密切关注实时行情与市场进展。

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