Markit PRIMEX is a synthetic CDS index referencing a basket of prime mortgage-backed securities.


  • Banks
  • |
  • Asset managers
  • |
  • Hedge funds
  • |
  • Insurance companies
  • |
  • Corporate treasurers


  • 10+licensed marketmakers
  • 4sub indices

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Product Summary

Markit PRIMEX allows investors to take positions in prime RMBS via CDS contracts. Its liquidity and standardisation allow investors to accurately gauge market sentiment around the asset class, and to take short or long positions accordingly.

    Key benefits

    • Liquidity

      Uses existing trading conventions of other CDS of ABS indices, with free PV calculator provided by Markit to enhance liquidity and transparency around the index

    • Sentiment

      Daily composite levels, enabling market participants to track movements in prime RMBS market sentiment

    • Standardisation

      Index cashflow calculations and operational functions mirroring the existing framework of Markit ABX and Markit CMBX indices

    News & Information

    Important notifications and public information about our indices, including changes to upcoming series following index rolls, credit events on constituents and issuance of new indices



    Publicly available documentation relating to our indices, including methodologies, annexes and educational guides, as well as trading and legal documents for tradable indices