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DATAMINE:

THE SOURCE FOR HISTORICAL DATA

Explore historical market data straight from the source to help refine your trading strategies.
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Interest Rates

Treasury Conversion Factors

Treasury Conversion Factors for the government securities auctioned by the U.S. Treasury Department.

Updated U.S. Treasury Conversion Factors - 17 December 2025

Conversion factor tables for U.S. Treasury Bond and Note futures have been updated to include conversion factors for the following securities:

 

  • 4-5/8s of November 2045 (a reopened 20-year bond)
Treasury Conversion Factors
17 December 2025 (XLSX)

U.S. Treasury Department's Tentative Auction Schedule

View Auction Schedule

Additional Information

Calculating Conversion Factors
Conversion Look-Up Tables
Conversion Calculator

Related Research and Analysis

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CME Group is the world’s leading derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). 
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