比特币测试6.3万美元，长期持有者亏损卖出
Bitcoin Tests $63K as Long-Term Holders Keep Selling at a Loss
Some two-thirds of the coins moving onto exchanges are long-term holders taking losses, as a macro risk-off drags on Bitcoin’s price.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力