Intraday Pricing and Liquidity Effects of U.S. Treasury Auctions Michael J. Fleming, Federal Reserve Bank of New York Weiling Liu, Harvard University First draft: May 15, 2014 This draft: September 30, 2017 Abstract We examine the intraday effects of U.S. Treasury auctions on the pricing and liquidity of the most recently issued notes. We find that prices decrease in the hours preceding auction and recover in the hours following. The magnitude of the price changes is positively correlated with bid-ask spreads, price impact, volatility, and other measures of financial stress. We further find that liquidity tends to be better right before an auction, albeit worse at auction time and thereafter. Our results provide high frequency evidence of supply shocks causing price pressure effects and show dealers’ limited risk-bearing capacity helps explain such effects. JEL Codes: G12, G14, E43, H63 Keywords: Liquidity; dealer intermediation; price pressure; supply effects; returns Fleming:
[email protected], (212) 720-6372); Liu:
[email protected]. The authors are grateful to Tobias Adrian, Charles Jones, and seminar participants at the Bank for International Settlements (Asian Office), Bank of Thailand, Board of Governors of the Federal Reserve System, Centre for Advanced Financial Research and Learning, First International Conference on Sovereign Bond Markets, and FTG Summer School for helpful comments. Ron Yang provided excellent research assistance. Views expressed are those of the authors and not necessarily those of the Federal Reserve Bank of New York or the Federal Reserve System. 1. Introduction The extant literature shows that security supply matters to prices, even in a market as liquid as the U.S.