CumIPmt
CumIPmt(rate, nper, pv, start_per, end_per, type)
The cumulative interest received on an annuity (with periodic payments and constant interest rate) between «start_per» and «end_per» inclusive. A negative number represents cumulative interest paid.
Parameters:
- «Rate»
- The interest rate per period.
- «NPer»
- The total number of periods in the annity's lifetime.
- «Pv»
- The present value.
- If you receive a loan, this is the loan amount as a positive number.
- If you give someone a loan, this is a negative number.
- «Start_per»
- First period included in the sum.
- «End_per»
- Last period included in the sum.
- «Type»
- (Optional) Indicates whether payments are at the beginning of the period.
True= Payments due at beginning of period, with first payment due immediately.False= Payments due at end of period. (default)
Returns SUM_{n = Start_per..End_per} IPmt(rate, n, NPer, Pv, 0, Type)
Note: The CumIPmt function in some versions of Microsoft Excel returns the interest received between Start_per-1 and End_per, and thus may return different results than this function in Analytica.
Library
Financial Functions
Examples
Five years ago, you took out a 30-year fixed rate mortgage at a rate of 6.5% for an initial loan of $350K. How much have you paid in interest during the first five years?
-CumIPmt(6.5%/12, 30*12, $350K, 1, 5*12) → $110,372.71
How much interest will you pay this year?
-CumIPmt(6.5%/12, 30*12, $350K, 5*12 + 1, 6*12) → $21,137.22
See Also
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