Daily DAX : Day 439 INTRATE

Power BI DAX Function: INTRATE

The INTRATE function in Data Analysis Expressions (DAX) calculates the interest rate for a fully invested security — a security that pays all interest at maturity (no periodic coupons).

Syntax

INTRATE(, , ,  [, ])

Parameters

ParameterDescription
settlementThe security's settlement date (date purchased).
maturityThe security's maturity date (date redeemed).
investmentThe amount invested (purchase price).
redemptionThe amount received at maturity (face value).
basis (optional)Day count basis (default: 0).
  • 0: US (NASD) 30/360
  • 1: Actual/actual
  • 2: Actual/360
  • 3: Actual/365
  • 4: European 30/360

Return Value

The annual interest rate as a decimal (format as percentage in visuals).

Formula

INTRATE uses:

INTRATE = ((redemption - investment) / investment) × (B / DIM)

Where: - DIM: Days from settlement to maturity. - B: Days in year based on the basis.

Use Cases

  • Calculating yield on zero-coupon bonds.
  • Interest rate for certificates of deposit (CDs) or promissory notes.
  • Evaluating discount securities like Treasury bills (though specialized functions may apply).
  • Financial modeling in Power BI for investments paying interest only at maturity.

Example

Security purchased on 2025-01-01 for $95,000, matures on 2026-01-01 for $100,000 (basis 1: actual/actual).

Interest Rate = INTRATE(DATE(2025,1,1), DATE(2026,1,1), 95000, 100000, 1)

Result: Approximately 0.0526 (or 5.26%).

Note: Dates should use the DATE function or cell references. This function is not supported in DirectQuery mode for calculated columns or RLS. Some sources note it as deprecated or not recommended in certain contexts, but it remains available in DAX.

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