The source that provides this information is called MSRB's municipal bond website called EMMA (Electronic Municipal Market Access)
The EMMA website was created to increase market transparency by providing free public access to municipal securities documents and data. EMMA provides key information about individual municipal bonds as well as tools to assess bond prices and market trends to investors, state and local governments, and other market participants.
Municipal bonds are debt securities issued by states, cities, counties, and other governmental entities to fund operating expenses and capital projects such as the construction of schools, highways, and sewer systems. The maturity date of a municipal bond may be in the future.
The disclosure document, which resembles a prospectus, is called the Official Statement (OS). The OS will contain all the information on the bond's call clauses.
The Over Counter Bulletin Board is where non-NASDAQ stocks are listed.
The "new issue" municipal paper is called The Bond Buyer. Municipal issuers provide notices of upcoming issuance in this journal. The Bond Buyer's newswire service, Munifacts, primarily reports on syndicated new issue offerings but also covers certain general news stories that may have an impact on the secondary market.
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