SK海力士期权上市，单股ETF抢风头
SK Hynix options begin trading. But another group of stocks is stealing its thunder
One explanation for the lack of notable call-buying is that the surge in single-stock ETFs and leveraged funds stole a big chunk of the speculative limelight.
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