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- The Daily Technical #80: What is the formula to calculate the weighted average cost of capital (WACC)?
The Daily Technical #80: What is the formula to calculate the weighted average cost of capital (WACC)?
How to answer "How do you determine the risk-free rate?"
Good morning. Welcome to the 80th edition of The Daily Technical. You’re here for one reason so let’s dive in.
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OVERVIEW OF YESTERDAY’S QUESTION
How do you determine the risk-free rate?
To determine the risk-free rate, focus on the yield to maturity of default-free government bonds that match the cash flow's duration.
Due to liquidity issues with longer bonds, the 10-year US Treasury note yield is often used as the risk-free rate proxy for US-based firms.
Common Mistakes
Opting for bonds with liquidity issues, affecting reliability. Use widely traded bonds like the 10-year US Treasury note to avoid liquidity concerns and ensure a consistent measure.
Focusing on past yields. Use current yield data to ensure your risk-free rate aligns with present market realities and gives a relevant outlook.
TL;DR
Risk-free rate is derived from yield to maturity of default-free government bonds matching cash flow duration.
Lack of liquidity in longer bonds shifts preference to 10-year US Treasury notes.
US-based firms typically use the 10-year Treasury yield as risk-free rate proxy.

TODAY’S QUESTION
What is the formula to calculate the weighted average cost of capital (WACC)?
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See you tomorrow,
Mike Lukasevicz
Founder @ HirePrep