| Spread WinRT Documentation > Formula Reference > Formula Functions > ACCRINTM | 
This function calculates the accrued interest at maturity for a security that pays periodic interest.
ACCRINTM(issue,maturity,rate,par,basis)
This function has these arguments:
| Argument | Description | 
|---|---|
| issue | Date that the security is issued | 
| maturity | Maturity date for security | 
| rate | Annual interest rate for the security | 
| par | [Optional] Par value for the security; if omitted, the calculation uses a value of $1,000 | 
| basis | [Optional] Integer representing the basis for day count (Refer to Day Count Basis.) | 
This function requires that issue is a valid date (otherwise a #Value! error is returned). If the rate or par is less than or equal to 0, then a #NUM! error is returned. If the basis is less than 0 or greater than 4, a #NUM! error is returned. If the issue is less than the settlement, then a #NUM! error is returned.
Accepts numeric and DateTime object data. Returns numeric data.
ACCRINTM(A2,A3,B4,D9,3)
ACCRINTM(R1C1,R2C3,R4C2,R9C4,3)