Liquidity and Volatility in the U.S. Treasury Market
55 Pages Posted: 2 Jan 2013 Last revised: 14 Nov 2018
Date Written: November 5, 2018
Abstract
We model the joint dynamics of intraday liquidity, volume, and volatility in the U.S. Treasury market, especially through the 2007--09 financial crisis and around important economic announcements. Using various specifications based on Bauwens & Giot (2000)'s Log-ACD(1,1) model, we find that liquidity, volume and volatility are highly persistent, with volatility having a lower short-term persistence than the other two. Market liquidity and volume are important to explaining volatility dynamics but not vice versa. In addition, market dynamics change during the financial crisis, with all variables exhibiting increased responsiveness to their most recent realizations. Our models also reveal different market dynamics around announcements. Finally, we introduce new measures of liquidity risk that are useful for continually monitoring liquidity conditions and the risk of liquidity stress in the market.
Keywords: liquidity, Treasury market, limit order book, financial crisis, volatility, announcement
JEL Classification: C58, G01, G12
Suggested Citation: Suggested Citation
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