Bitcoin drops to $81,400 as Asian chip stocks tumble, options traders seek downside protection

1. 核心事实剥离

• 事件本质：报道时点，亚洲芯片股因AI担忧下挫，韩国Kospi下跌3.7%；比特币即使录得近一个月最大的单日现货ETF流入，仍下跌约0.5%至81,400美元，关键变量是AI板块风险重估能否扩散至美股半导体、波动率和信用市场。〔SRC:"Asian chip stocks tumble"]〔SRC〕〔SRC:"Bitcoin slipped 0.5% to around $81,400 even after the biggest daily spo