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韩国散户“蚂蚁”遭重创：120万人收到追加保证金通知
Bad week for ‘the ants’ as ripple effects of Korean crash spread out across Asia
It was a bad week for “the ants,” as South Korea’s army of retail traders are known colloquially. 1.2 million of them were clobbered with margin calls. That’s more than 3% of the country’s adult population, illustrating the feverish extent of stock market speculation and the danger of leverage.
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