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斯坦福研究:Polymarket 五分钟比特币押注市场存在操纵迹象

2026-07-16 08:47:56

ChainCatcher 消息,据彭博社报道,斯坦福大学研究人员发现 Polymarket 五分钟比特币押注市场存在操纵迹象。研究分析了约两个月内的合约数据,发现币安交易所上出现反复的单向交易脉冲,在押注结束前几秒短暂影响比特币价格,使持仓方向一致者受益。研究人员称这种模式为“推高现货价格的临时操纵”,并指出此类合约存在结构性漏洞——参与者可通过交易决定输赢的基础资产本身来影响结果。

Polymarket 发言人表示平台使用多个独立价格预言机以确保准确性,并计划在明年将部分市场过渡到使用更长时间窗口的结算方式,以增强市场完整性。研究估计疑似操纵者在两个月内获利约 820 万美元,主要来自零售交易者的损失。类似模式在 15 分钟市场中并不明显,更长时间窗口更难影响结果。

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