Clearing time randomization and transaction fees for auction market design

Fuente: arXiv
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Hauptverfasser: Mastrolia, Thibaut, Xu, Tianrui
Format: Preprint
Veröffentlicht: 2024
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author Mastrolia, Thibaut
Xu, Tianrui
author_facet Mastrolia, Thibaut
Xu, Tianrui
contents Flaws of a continuous limit order book mechanism raise the question of whether a continuous trading session and a periodic auction session would bring better efficiency. This paper wants to go further in designing a periodic auction when both a continuous market and a periodic auction market are available to traders. In a periodic auction, we discover that a strategic trader could take advantage of the accumulated information available along the auction duration by arriving at the latest moment before the auction closes, increasing the price impact on the market. Such price impact moves the clearing price away from the efficient price and may disturb the efficiency of a periodic auction market. We thus propose and quantify the effect of two remedies to mitigate these flaws: randomizing the auction's closing time and optimally designing a transaction fees policy for both the strategic traders and other market participants. Our results show that these policies encourage a strategic trader to send their orders earlier to enhance the efficiency of the auction market, illustrated by data extracted from Alphabet and Apple stocks.
format Preprint
id arxiv_https___arxiv_org_abs_2405_09764
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Clearing time randomization and transaction fees for auction market design
Mastrolia, Thibaut
Xu, Tianrui
Trading and Market Microstructure
Optimization and Control
Flaws of a continuous limit order book mechanism raise the question of whether a continuous trading session and a periodic auction session would bring better efficiency. This paper wants to go further in designing a periodic auction when both a continuous market and a periodic auction market are available to traders. In a periodic auction, we discover that a strategic trader could take advantage of the accumulated information available along the auction duration by arriving at the latest moment before the auction closes, increasing the price impact on the market. Such price impact moves the clearing price away from the efficient price and may disturb the efficiency of a periodic auction market. We thus propose and quantify the effect of two remedies to mitigate these flaws: randomizing the auction's closing time and optimally designing a transaction fees policy for both the strategic traders and other market participants. Our results show that these policies encourage a strategic trader to send their orders earlier to enhance the efficiency of the auction market, illustrated by data extracted from Alphabet and Apple stocks.
title Clearing time randomization and transaction fees for auction market design
topic Trading and Market Microstructure
Optimization and Control
url https://arxiv.org/abs/2405.09764