arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1702.08029q-fin.TRcond-mat.stat-mech
收藏

贸易的短期价格影响是普遍的

The short-term price impact of trades is universal

Bence Toth, Zoltan Eisler, Jean-Philippe Bouchaud

摘要:

我们分析了一个资产管理公司的专有交易数据集,将其价格影响与市场其他交易的价格影响进行比较。在一个线性传播模型的背景下,我们发现两者之间没有显着差异,这表明无论是规模和时间依赖性的影响是普遍的匿名,电子市场。这个结果很重要,因为最优执行策略通常依赖于在匿名数据上校准的传播器。我们还发现,在交易之后,其他市场参与者的订单流首先增加了进一步的模仿交易,在很短的时间尺度上增强了价格影响。然后,诱导的订单流迅速反转,从而导致影响衰减。

英文摘要:

We analyze a proprietary dataset of trades by a single asset manager, comparing their price impact with that of the trades of the rest of the market. In the context of a linear propagator model we find no significant difference between the two, suggesting that both the magnitude and time dependence of impact are universal in anonymous, electronic markets. This result is important as optimal execution policies often rely on propagators calibrated on anonymous data. We also find evidence that in the wake of a trade the order flow of other market participants first adds further copy-cat trades enhancing price impact on very short time scales. The induced order flow then quickly inverts, thereby contributing to impact decay.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑