Quick Answer

PRICEDISC Function

Calculates the price of a discounted security.

✓ Excel✓ Google SheetsExcel All versions

Syntax

PRICEDISC
(settlement, maturity, discount, redemption, [basis])

Parameters

ParameterDescriptionRequired
settlementDate the security is purchased.Required
maturityDate the security expires.Required
discountDiscount rate of the security.Required
redemptionRedemption value per $100 face value.Required
basisDay-count convention (0 = US 30/360, default).Optional

Basic Example

Price of a discounted Treasury bill

=PRICEDISC(DATE(2024,1,1), DATE(2024,12,31), 0.05, 100)
Result$95.00

A T-bill with a 5% discount rate redeeming at $100 in one year is priced at $95.

Advanced Examples

Example 1: With actual/360 basis

Money market

Use basis 2 for actual/360

=PRICEDISC(DATE(2024,1,1), DATE(2024,12,31), 0.05, 100, 2)
Result: Price using actual/360
Basis 2 is common for money market instruments.

How PRICEDISC Works

PRICEDISC calculates the price of a discount instrument using the formula redemption - (discount * redemption * days to maturity / days per year). It is used for zero-coupon and short-term instruments.

1
Enter settlement
Type the settlement
2
Enter maturity
Type the maturity
3
Enter discount
Type the discount
4
Enter redemption
Type the redemption
5
Calculate
Press Enter to get the result.

Important Notes & Limitations

  • Settlement must be before maturity.

  • Discount rate is entered as a decimal.

  • Basis affects the day count and year length.

Common Errors & Fixes

#NUM! errorInvalid dates, discount, or redemption.

Fix: Verify all inputs.

#VALUE! errorDates are not recognized.

Fix: Use DATE function or valid date serial numbers.

Download Practice File

Practice PRICEDISC with Real Data

Download a sample CSV file with pre-populated data and practice exercises for the PRICEDISC function. Works in both Excel and Google Sheets.

Works in Google SheetsCompatible with ExcelIncludes exercises

File format: CSV (comma-separated values) - opens in Excel, Google Sheets, and all spreadsheet apps

Frequently Asked Questions

What is the difference between PRICEDISC and DISC?
PRICEDISC calculates price from a discount rate. DISC calculates the discount rate from a price.
When is PRICEDISC used?
It is used for Treasury bills and commercial paper.