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某 Polymarket 交易者大量购买特朗普胜选合约,导致美国总统大选市场出现短暂错误定价

2024-10-25 15:54:17

ChainCatcher 消息,据 CoinDesk 报道,Polymarket 上一名交易者因大量购买特朗普“胜选”合约,导致 2024 年美国总统大选市场出现短暂的错误定价。该交易者在短时间内花费逾 300 万美元购买了 450 万份合约,一度将特朗普胜选的概率推高至 99%,远高于当时实际市场给出的 63%。

这次定价异常是由于 Polymarket 的链上订单簿机制造成的。在一笔 27.5 万美元的订单中,该交易者以99%的赔率成交,而其他订单则分别以 65.9 美分和 62.7 美分的价格成交。Polymarket 的动态订单簿会随着每笔交易调整价格,这使得大额交易可能导致严重滑点,暂时扭曲实际赔率。

截至目前,特朗普在 Polymarket 的胜选概率为 63%,而卡马拉·哈里斯的胜算为 36%。该市场累计交易量已超过 22 亿美元,是平台上交易量最大的市场。

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