| Spread WinRT Documentation > Formula Reference > Formula Functions > YIELDMAT | 
This function calculates the annual yield of a security that pays interest at maturity.
YIELDMAT(settle,maturity,issue,issrate,price,basis)
This function has these arguments:
| Argument | Description | 
|---|---|
| settle | Settlement date for the security | 
| maturity | Maturity date for the security | 
| issue | Issue date for the security | 
| issrate | Interest rate for the security at the date of issue | 
| price | Price per $100 face value for the security | 
| basis | [Optional] Integer representing the basis for day count (Refer to Day Count Basis.) | 
This function returns a #VALUE! error when settle, maturity, or issue is invalid. If issrate is less than 0 or price is less than or equal to 0, a #NUM! error is returned. If basis is less than 0 or greater than 4, a #NUM! error is returned. If settle is greater than or equal to maturity, a #NUM! error is returned. Settle, maturity, issue, and basis are truncated to integers.
Accepts numeric and date data. Returns numeric data.
YIELDMAT(C1,C2,C3,C4,C5,C6)