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A measure of credit risk, calculated by subtracting the price of three-month U.S. Treasury securities and three-month eurodollar contracts. These contracts must have the same expiration month. Because Treasury securities are risk-free and eurodollar contracts are not, an increased Ted spread indicates a greater likelihood of default.
The price spread that occurs when opposing transactions are made in Treasury bill futures and Eurodollar futures as, for example, a long position in Treasury bill futures coupled with a short position in Eurodollar futures. A long spread that anticipates the price spread between the two contracts will widen could involve buying a T-bill future and simultaneously selling a Eurodollar future. A short spread in which a Eurodollar future is purchased and a T-bill future is sold short would anticipate a narrowing of the price spread.