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Discussion Paper
Assessing the Price Impact of Treasury Market Workups
The price impact of a trade derives largely from its information content. The “workup” mechanism, a trading protocol used in the U.S. Treasury securities market, is designed to mitigate the instantaneous price impact of a trade by allowing market participants to trade additional quantities of a security after a buyer and seller first agree on its price. Nevertheless, workup trades are not necessarily free of information. In this post, we assess the role of workups in price discovery, following our recent paper in the Review of Asset Pricing Studies (an earlier version of which was ...
Report
Price and size discovery in financial markets: evidence from the U.S. Treasury securities market
We study the workup protocol, an important size discovery mechanism in the U.S. Treasury securities market. We find that shocks in workup order flow explain 6-8 percent of the variation of returns on benchmark notes and, across maturities, contribute 10 percent to the variation of the yield curve level factor. Information related to proprietary client order flow is more likely to show up in workup trades, whereas information derived from public announcements is more likely to come through pre-workup (or “lit”) trades. Our findings highlight how the nature of information affects the ...