# TBILLYIELD

Spread for WinForms provides advanced software components that support Excel import/export, full cell customization, an extensive calculation engine with over 450 functions and more, all with zero dependencies on Excel.

## Content



This function returns the yield for a Treasury bill (or T-bill).

## Syntax

TBILLYIELD(*settle*,*mature*,*priceper*)

## Arguments

This function has these arguments:

| **Argument** | **Description** |
| -------- | ----------- |
| *settle* | Settlement date for the Treasury bill |
| *mature* | Maturity date for the Treasury bill |
| *priceper* | Price per $100 face value for the Treasury bill |

## Remarks

This function returns a #VALUE! error when settle or mature is invalid. Settle and mature are truncated to integers. If priceper is less than or equal to 0, a #NUM! error is returned. If settle is greater than or equal to mature or if mature is more than one year after settle, a #NUM! error is returned.

## Data Types

Accepts numeric and DateTime object data for all arguments. Returns numeric data.

## Examples

`TBILLYIELD(A1,B2,C3)`
`TBILLYIELD("3/31/2003","6/1/2003",98.65)` gives the result 0.0794598041299475 (or 5.80%)

## Version Available

This function is available in product version 1.0 or later.

## See Also

[TBILLEQ](/spreadnet/docs/latest/online-formula/formulas-functionsall/formulas-functsTtoZ/FunctionTBILLEQ) \| [TBILLPRICE](/spreadnet/docs/latest/online-formula/formulas-functionsall/formulas-functsTtoZ/FunctionTBILLPRICE) \| [Financial Functions](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-functs/formulas-functtypes/formulas-functsfinance)