TRUECALC
Functions

DISC

Discount rate for a security

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When to use it

When should I use DISC?

Use DISC to calculate the annualised discount rate of a zero-coupon or discounted security given its purchase price and redemption value — common for Treasury bills and commercial paper.

Used in

finance

Syntax

DISC(settlement, maturity, pr, redemption, [basis])

Examples

=DISC(DATE(2010,1,2),DATE(2039,12,31),90,100) // => 0.003333642003889249
=DISC(DATE(2010,1,2),DATE(2039,12,31),90,100,1) // => 0.0033339422725611983

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