The MSRB collects municipal market data, disclosures and statistics and makes them available to investors and the public for free, primarily through the MSRB's EMMA website.

Market Data Publications

The MSRB is an independent, neutral source of municipal market data.

Data Subscription Services

Data and disclosure documents available for free on the EMMA website are also available on a subscription basis in real-time for a fee. Municipal market trade data are available at no cost to academic researchers through Wharton Research Data Services. 

Submission Tutorials and Manuals

Learn how to use MSRB market transparency systems to submit disclosures and data.

MSRB Gateway

Log in to MSRB Gateway to securely submit data and documents to the MSRB.