Spread, Volatility, and Volume Relationship in Financial Markets and Market Maker's Profit Optimization

31 Pages Posted: 26 Jun 2016 Last revised: 18 Jul 2016

Date Written: June 23, 2016

Abstract

We study the relationship between price spread, volatility and trading volume. We find that spread forms as a result of interplay between order liquidity and order impact. When trading volume is small adding more liquidity helps improve price accuracy and reduce spread, but after some point additional liquidity begins to deteriorate price. The model allows to connect the bid-ask spread and high-low bars to measurable microstructural parameters and express their dependence on trading volume, volatility and time horizon. Using the established relations, we address the operating spread optimization problem to maximize the market-maker’s profit.

Keywords: Market making, market microstructure, price measurement, quantitative trading, volatility, spread, finance, physics of financial markets

JEL Classification: G12, C44, C51

Suggested Citation

Sarkissian, Jack, Spread, Volatility, and Volume Relationship in Financial Markets and Market Maker's Profit Optimization (June 23, 2016). Available at SSRN: https://ssrn.com/abstract=2799798 or http://dx.doi.org/10.2139/ssrn.2799798

Jack Sarkissian (Contact Author)

Algostox Trading ( email )

New York, NY
United States

QIS ( email )

New York, NY
United States

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