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一场演讲触发了本周全球市场巨震
学界刚起步研究生成式AI会增强还是减弱交易关联性。现有研究已提供洞见:理论与实证表明, 高频交易算法对同一信号独立但同步响应,确实会加剧波动与定价偏差,降低市场效率 。 13 但算法各异:研究也发现高频交易关联行为有时能提升定价效率而不增加波动。 14 流行套利策略的广泛运用曾消除碎片化市场的定价偏差。*15 换言之,算法关联交易有时亦能提升市场质量与效率。
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