Municipal market information

The Municipal Market Monitor (TM3)

A screenshot from inside The Municipal Market Monitor (TM3)

The Municipal Market Monitor (TM3) as it relates specifically to the US municipal bond industry

TM3 has been delivering the municipal market’s MMD AAA benchmark for over 30 years, and is integrated into the most comprehensive source of critical municipal market information.

An overview of the Municipal Market Monitor (TM3)

The Municipal Market Monitor (TM3) services fixed income client data needs, both over the internet and via data feeds.

TM3 services comprise several key pillars, related specifically to the US municipal bond industry including:

  • news and insight
  • primary market information
  • secondary market information
  • disclosures/prospectus
  • variable rate portfolio management tools
  • pricing and reference data search tools.

TM3 also offers MMD yield curves, which are currently the best-in-class benchmark for the muni industry and are the flagship product line on TM3.

MMD yield curves are integrated across the key pillar services on TM3. MMD spread is also available across many major services and product lines on and third-party vendors.

Features & benefits

What you get with the Municipal Market Monitor


Includes the industry MMD AAA benchmark yield curve, AAA Scale Reads, analytics, and in-depth analysis on the municipal and treasury markets​.

Primary markets

Real-time and historical new-issue calendars, pre-sale worksheets and sales results - from I-Deal and underwriters.

Secondary markets

Real time MSRB data.

How it works

TM3 in more detail

Muni data/analysis (MuniView search)

LSEG and LSEG's pricing and descriptive information on over 1.5m securities, the CUSIP9 search engine, Muniview Deal Search and TM3 Bond Calculator/Analysis.

VRDN network and SIFMA index

An electronic database that enables tax-exempt money market funds and their agents to receive rate reset, interest payment factors, and security master details on portfolio holdings.


The most comprehensive collection of municipal documents available anywhere, with over 254,000 documents from 1975 - including official statements, supplements, escrow documents, and G-36 forms.

Municipal News

The most comprehensive news source dedicated to the municipal marketplace.

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