Calculates the yield of a US Treasury Bill based on price.

Sample Usage

TBILLYIELD(DATE(2010,1,2), DATE(2010,12,31), 98.45)



TBILLYIELD(settlement, maturity, price)

  • settlement - The settlement date of the security, the date after issuance when the security is delivered to the buyer.

  • maturity - The maturity or end date of the security, when it can be redeemed at face or par value.

  • price - The price at which the security is bought.


  • TBILLYIELD requires the maturity date to be no more than a year after the settlement date.

  • settlement and maturity should be entered using DATE, TO_DATE or other date parsing functions rather than by entering text.

  • TBILLYIELD is equivalent to using YIELDDISC with US Treasury Bill conventions for the absent parameters.

See Also

YIELDDISC: Calculates the annual yield of a discount (non-interest-bearing) security, based on price.

YIELD: Calculates the annual yield of a security paying periodic interest, such as a US Treasury Bond, based on price.


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