精选70CoinDesk（RSS）加密货币
比特币6月下跌致86亿美元期权虚值
Bitcoin's June downturn leaves $8.6 billion in options out of the money
Only 20% of June 26 options open interest is currently in the money, while bitcoin's 12% monthly decline leaves most bullish positions underwater.
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