Risk-Free Rate – Reality, Theory, and Corporate
Practice Explained Simply
In finance classes, students are often told:
“Risk-free rate means Bank FD rate or Government
bond rate.”
But is that completely, correct?
Not exactly.
Today, let’s clearly understand what the risk-free
rate really means, where it is used, what academic books say, what corporates
actually do in real life, and the common myths surrounding it.
This topic may look simple, but it is one of the
most important foundations in valuation and finance.
Let’s start with what is risk free rate.
The risk-free rate (Rf) is the return an investor
expects when investing money with zero default risk and full certainty of
receiving the promised return and principal amount.
It represents the minimum return an investor should
expect for investing money without taking any risk.
Eye opener for investors – there is nothing like risk free investment in the
world, now people say any bank FD rate is safe, secured & risk free by
Reserve bank of India. However, the risk is still there. Also, people believe
that govt bonds are risk free but the risk is still there. So, nothing is risk
free.
it is myth that Government bonds are truly
risk-free. Inflation, political, or currency risks remain. “Risk-free” is
relative, not absolute.
Is Bank FD Really Risk-Free?
Many people believe that Fixed Deposits (FDs) in
banks are 100% safe because they are regulated by the Reserve Bank of India.
But in reality:
Banks can fail.
There is deposit insurance limit.
Inflation reduces real returns.
Liquidity risk may exist.
So, technically speaking, Bank FD is low risk, but
not completely risk-free.
Are Government Bonds Truly Risk-Free?
Finance textbooks often say that government bonds
are risk-free. For example, in India, analysts refer to Government of India
bonds. In the US, they use U.S. Treasury bonds.
The reason is simple:
Governments can print money and are less likely to
default compared to companies. But still, risks exist: Inflation risk, Interest
rate risk, Political instability, Currency risk (for foreign investors), So the
truth is:
Government bonds are the closest practical
approximation of a risk-free asset — but they are not perfectly risk-free.
Risk-free is a relative concept, not an absolute
one.
What are academic books say: -
Damodaran (Valuation guru) - Mr. Ashwath Damodaran says risk free rate
should be without default risk and no reinvestment risk. It means two conditions
should be satisfy
1. You must be certain that the issuer will not
default.
2. You must be certain about the
return over the full investment horizon.
In reality, very few instruments satisfy both
conditions perfectly.
Corporate Finance books – Government bonds are closest proxies for risk
free rate. And generally, school and college teachers and professors teach that
take bank FD rate or 10 year’s government bond rates as a risk-free rate.
Best Practice in Corporates
Currency match with valuation: while doing valuation, the cash flows and
government bond yield (10 Year) should be in same currency for example: if cash
flows are in USD then government bond yield INR then convert either cash flows
in INR or convert government bond yield in USD
Match time horizon of cash flow and project
maturity: For long-term projects, use
long-term bond yields (10–30 year).
Adjust for country risk: If valuing any company in a country where the
default risk is higher, add a sovereign risk premium. For example, currently
Russia Ukraine war is going on than Russia and Ukrainian companies have some
extra risk.
Consistency: Risk
free rate, Equity risk premium, & beta must be from the same market and
currency.
Where we use Risk free rate:
Risk free rates are used to: -
CAPM model –
for calculation of cost of equity there is a model CAPM model (capital asset
pricing model). The formula of CAPM model is
Cost of Equity=Rf+β(Rm−Rf)
Rf
= Risk free rate
β=
Beta
Rm
= Return on Market
DCF Valuation: - while doing valuation risk
free rate is used to discount the cash flows.
WACC calculation: - As
cost of equity is depends on Risk free rate, weighted average cost of capital
is also depends on Rf.
Baseline benchmark: - Pension funds, insurance companies use Risk free rate as baseline standard. Also, it is used to project financial models.
Common Myths About Risk-Free Rate
Let’s clear some myths.
Myth 1: Bank FD is 100% risk-free
Reality: It has inflation risk and limited
insurance protection.
Myth 2: Government bonds are absolutely risk-free
Reality: They carry inflation, currency, and
political risks.
Myth 3: Risk-free rate is fixed
Reality: It changes daily based on bond market
conditions.
Myth 4: One number works for all valuations
Reality: It must match currency, maturity, and
market.
What Smart Analysts Do
Professional analysts follow these golden rules:
Match currency of risk-free rate and cash flows.
Match maturity of bond yield and project life.
Adjust for sovereign risk in emerging markets.
Use current yield curve instead of historical
averages.
Maintain consistency between Rf, ERP, and Beta.
They do not blindly use “10-year bond rate” without
thinking.
Conclusion
The risk-free rate may look like a simple concept,
but it is the foundation of modern finance.
It is used in:
CAPM
DCF valuation
WACC
Investment decision-making
Corporate financial planning
But always remember:
Risk-free does not mean zero risk.
It means the lowest possible measurable risk in a given market.
In textbooks, government bonds are considered
risk-free.
In reality, analysts treat them as the best available proxy, not a perfect
instrument.
If you want to become a strong finance
professional, investor, or valuation expert, you must understand:
For any query regarding the post or if you want to learn any topic you can write me on
Website : - https://rohitjain.royalrichie.com
Follow on Linked in - https://www.linkedin.com/in/rohit-jain45298380/
WhatsApp Channel:- https://whatsapp.com/channel/0029Vb5s32kEquiYjAofWP20
Thank you for reading & keep learning.
Thank you for reading & keep learning.
No comments:
Post a Comment