We find striking intraday adjustment patterns for price volatility, trading volume, and bid-ask spreads in the U.S. Treasuries market around the time of macroeconomic announcements. The patterns suggest certain hypotheses about price formation and liquidity provision in multiple-dealer markets....

We take a close look at a year in the U.S. Treasury market and try to explain the sharpest price changes and most active trading episodes. The virtue of our analysis lies in its use of high-frequency data on market movements and accurate release times for a comprehensive set of economic...