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The Dynamics of Implicit Transactions Costs

机译:隐性交易成本的动态

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We use tick-by-tick data to study the dynamics of different components of implicit trading costs, including market impact cost, proportional cost, and fixed cost, over a decade. We model the proportional cost and the fixed cost as compensation for an affine structure of trading costs faced by the market maker. We find that the market impact cost remains stable over time, whereas the fixed cost and the proportional cost decrease significantly over time. We also find that the fixed cost is generally not equal to zero. Surprisingly, it goes negative lately.
机译:我们使用逐滴答数据来研究隐式交易成本的不同组成部分的动态,包括市场影响成本,比例成本和固定成本在十年上。我们将比例成本和固定成本模拟,作为市场制造商面临的交易成本的仿射结构的补偿。我们发现市场影响成本随着时间的推移仍然稳定,而固定成本随着时间的推移,比例成本显着降低。我们发现固定成本通常不等于零。令人惊讶的是,它最近会消极。

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