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User Manuals and Specifications for MSRB Systems

The MSRB publishes user manuals, specifications, and other documentation that describe in detail how to use its market information systems. 

Click here to see our related video tutorials on submitting data and documents to the MSRB's Market Transparency Systems. 


MSRB Gateway


Real-Time Transaction Reporting System (RTRS)


Short-Term Obligations Rate Transparency (SHORT) System


EMMA Dataport

Primary Market


Continuing Disclosure


Variable Rate Securities


Political Contribution Disclosures


529 Savings Plan/ABLE Program Data