As California local agencies are becoming involved in the interest rate swap market, knowledge of the basics of pric ing swaps may assist issuers to better understand initial, mark-to-market, and termination costs associated with their swap programs. This report is intended to provide treasury managers and staff with a basic overview of swap math and related pric ing conventions. It provides information on the interest rate swap market, the swap dealer’s pricing and sales con ventions, the relevant indices needed to determine pric ing, formulas for and examples of pricing, and a review of variables that have an affect on market and termination pricing.