Marketplace

The OpenYield Marketplace is a Central Limit Order Book for U.S. Treasuries, Agencies, Corporate Bonds, and Municipal Bonds. It supports both equity-style trading (Market and Limit orders) and fixed income-style trading (Quotes and Aggressive Orders).

The Marketplace operates in New York (Eastern Time, ET; all FIX timestamps are UTC) on all SIFMA Bond trading days:

Normal trading days

EventTime (ET)
Servers available7:00 AM
Pre-Open7:30 AM
Open8:00 AM
Close5:00 PM
Servers disconnect5:30 PM

Early close trading days

EventTime (ET)
Servers available7:00 AM
Pre-Open7:30 AM
Open8:00 AM
Close2:00 PM
Servers disconnect5:30 PM

State transitions are broadcast as Trading Session Status (35=h) messages on all active connections. See Session State for the full message specification.