Risk-Free Rate

Definition

The theoretical rate of return on an investment with zero default risk, used as the foundation for building discount rates in valuation. In practice, the yield on government bonds of a maturity matching the expected cash flow duration serves as a proxy — typically US Treasury bonds for USD-denominated valuations or UK gilts for GBP-denominated analyses. The risk-free rate is the starting point for both CAPM and build-up cost of equity calculations.

Complementary Terms

Concepts that frequently appear alongside Risk-Free Rate in practice.

Internal Rate of Return (IRR)

The annualised rate of return at which the net present value of all cash flows from an investment equals zero. IRR is the standard performance metric for private equity and venture capital funds, allowing comparison across investments with different holding periods and cash flow profiles.

Capitalisation Rate

The rate used to convert a single-period earnings or cash flow figure into an indication of value, calculated as the discount rate minus the expected long-term sustainable growth rate. The capitalisation rate is the reciprocal of the capitalisation multiple and is used in the capitalisation of earnings method for businesses with stable, predictable income streams.

Discount Rate

The rate used to convert future expected cash flows into their present value, reflecting the time value of money and the risk associated with those cash flows. Selecting the appropriate discount rate is one of the most critical and sensitive decisions in intangible asset valuation, as small changes can materially alter the estimated fair value.

Risk-Adjusted Discount Rate

A discount rate that incorporates a premium reflecting the specific risks associated with a particular asset, cash flow stream, or investment. In intangible asset valuations, risk-adjusted discount rates are typically higher than the weighted average cost of capital to reflect the greater uncertainty inherent in intangible asset cash flows compared to tangible assets.

Customer Attrition Rate

The rate at which a company's existing customers cease doing business with it over a given period, typically expressed as an annual percentage. Customer attrition rate is a critical input to the valuation of customer relationship intangible assets under both the multi-period excess earnings method and the distributor method.

Hurdle Rate

The minimum rate of return that a fund must achieve before the general partner becomes entitled to carried interest, or the minimum acceptable return for an investment decision. Hurdle rates are typically set between 6% and 8% in PE/VC fund structures and serve as a performance benchmark that aligns manager and investor incentives.

Merchant Discount Rate (MDR)

The total fee charged to a merchant for processing a payment card transaction, expressed as a percentage of the transaction value plus a fixed per-transaction fee. The MDR comprises three components: the interchange fee (paid to the issuing bank), the card network assessment fee (paid to Visa/Mastercard), and the acquirer's markup.

Automation Rate

The proportion of tasks, processes, or workflows within an organisation that are performed by automated systems rather than human labour. Automation rate is a key productivity metric, with higher rates typically correlating to improved operational efficiency, reduced error rates, and scalability — though the transition period often involves significant restructuring costs.

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