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Polymarket 交易员因西班牙世界杯爆冷损失百万美元
Someone Just Lost $1 Million on Polymarket Over Spain World Cup Shocker
One trader lost $1 million betting Spain would win. Another bought "No" at 9¢ and walked away with $4.3 million.
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