苹果期权在财报前出现异常信号
Apple options are doing something unusual into earnings
After going nowhere for seven months, Apple stock is up 20% since its late-June low and less than two dollars below a fresh all-time record.
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