IIMFC2022016-V006400
Summary
TLDRThis script delves into the concept of duration gap analysis, a critical tool for financial institutions to assess their exposure to interest rate risks. It explains the process of calculating the market value of equity and the weighted average duration of assets and liabilities. The example provided illustrates how a 1% change in interest rates can significantly impact the market value of a firm's equity, emphasizing the importance of this analysis for understanding and managing financial risk.
Takeaways
- 📊 Duration Gap Analysis is a method to measure a bank's exposure to interest rate risks, focusing on the sensitivity of the market value of its equity to interest rate movements.
- 🏦 The market value of equity is calculated by multiplying the number of equity shares issued by the firm by the market price per share.
- 📈 The process involves three main steps: bucketing risk-sensitive assets and liabilities, computing the modified duration of these assets and liabilities, and assessing the impact on net interest income and market value of the firm when interest rates change.
- 📋 Duration is a key concept in this analysis, representing the weighted average time to receive the present value of cash flows from an asset or liability.
- 📉 The duration of an asset or liability is calculated by multiplying the present value of cash flows by the time period and dividing by the market value of the asset or liability.
- 💹 The weighted average duration for assets and liabilities is used to calculate the duration Gap, which indicates the bank's overall interest rate risk exposure.
- 📝 The net interest income is derived from the interest earned on assets and the interest paid on liabilities, reflecting the bank's profitability from interest rate spreads.
- 📉 An increase in interest rates will generally decrease the market value of assets with longer durations more significantly than those with shorter durations.
- 📈 A decrease in the duration Gap indicates a reduction in the bank's interest rate risk exposure, as the weighted average duration of assets becomes more aligned with that of liabilities.
- 💡 Duration Gap Analysis is a valuable tool for financial institutions to manage interest rate risk and is often a mandatory reporting requirement by central banks.
- 🌐 The impact of interest rate changes on a bank's market value of equity can be substantial, affecting stakeholders and investors' confidence in the institution.
Q & A
What is duration Gap analysis in the context of a financial institution?
-Duration Gap analysis is a method used to measure the sensitivity of a bank's market value of equity to changes in interest rates. It assesses the bank's exposure to interest rate risks by examining the impact of interest rate movements on the market value of its equity.
What are the steps involved in performing a duration Gap analysis?
-The steps in duration Gap analysis include: 1) Bucketing all risk-sensitive assets and liabilities based on residual maturity or repricing dates into various time bands, 2) Computing the modified duration of the risk-sensitive assets and liabilities, and 3) Using these measures to assess the impact on net interest income and the market value of the firm when interest rates change.
How is the market value of equity calculated?
-The market value of equity is calculated by multiplying the number of equity shares issued by the firm by the market price per share. It reflects the current market price at which the firm's shares are trading.
What is the significance of the 'duration' column in the spreadsheet example?
-The 'duration' column is fundamental to duration Gap analysis. It represents the sensitivity of the market value of the assets and liabilities to changes in interest rates, and it is used to determine the potential impact of interest rate changes on the financial institution.
Can you explain how the duration of a financial instrument is calculated?
-The duration of a financial instrument is calculated by summing the present value of each cash flow, multiplied by the time period it is received, and then dividing this sum by the total present value of all cash flows. This gives a weighted average time to receipt of cash flows, which is the duration.
What is the purpose of calculating the weighted average duration for assets and liabilities?
-The weighted average duration for assets and liabilities helps to determine the overall sensitivity of a financial institution's balance sheet to interest rate changes. It provides a measure of how much the net interest income and market value of equity might change with a shift in interest rates.
How is the net interest income calculated in the context of duration Gap analysis?
-Net interest income is calculated by taking the interest income from assets, such as loans and bonds, and subtracting the interest expenses on liabilities, such as deposits. The rates used are the current market rates, and the calculation takes into account the market values of these financial instruments.
What is the duration Gap, and how is it calculated?
-The duration Gap is the difference between the weighted average duration of risk-sensitive assets and the weighted average duration of risk-sensitive liabilities. It is calculated by subtracting the duration of liabilities (adjusted for their market value as a proportion of total assets) from the duration of assets.
What impact does a change in interest rates have on the market value of equity according to the duration Gap analysis?
-A change in interest rates affects the market value of equity inversely to the duration Gap. If interest rates rise, and the duration Gap is positive (assets have a longer duration than liabilities), the market value of equity will decrease, and vice versa.
Why is duration Gap analysis important for financial institutions and their stakeholders?
-Duration Gap analysis is important because it helps financial institutions manage and communicate the risk associated with interest rate fluctuations. It provides stakeholders with insights into how sensitive the institution's profitability and equity value are to changes in the interest rate environment.
How might central banks use duration Gap analysis in their regulatory framework?
-Central banks may mandate the inclusion of duration Gap analysis in financial reporting requirements to ensure that financial institutions are transparent about their interest rate risk exposure. This allows regulators and investors to assess the institution's risk profile and financial stability.
Outlines
📊 Duration Gap Analysis Fundamentals
This paragraph introduces the concept of Duration Gap analysis, a method used to assess a bank's exposure to interest rate risks. It explains how the market value of equity is calculated and how the analysis involves three main steps: bucketing risk-sensitive assets and liabilities, computing the modified duration of these assets and liabilities, and estimating the impact on net interest income and the market value of the firm due to interest rate changes. A spreadsheet example is used to illustrate the calculation of duration for different financial instruments like CDs, commercial loans, and treasury bonds, emphasizing the importance of duration in assessing interest rate risk.
📉 Impact of Interest Rate Changes on Duration and Equity Value
This section delves into the weighted average duration calculation for both assets and liabilities, and how it affects the net interest income. It also explains the concept of the duration Gap, which is the difference between the weighted average duration of assets and liabilities. The paragraph presents a hypothetical scenario where a 1% increase in interest rates impacts various financial instruments differently, based on their duration. It demonstrates how this change affects the market value of assets and liabilities, ultimately leading to a decrease in the market value of equity for the financial institution. The summary highlights the importance of understanding the sensitivity of a firm's equity to interest rate fluctuations.
🏦 Duration Gap Analysis in Financial Regulation
The final paragraph discusses the practical application of Duration Gap analysis in the financial industry, emphasizing its importance in regulatory compliance. It mentions that several central banks mandate the inclusion of Duration Gap analysis in financial reporting to ensure stakeholders are informed about the institution's exposure to interest rate risks. The paragraph concludes with an example of how a 1% interest rate increase can significantly impact the market value of equity, illustrating the substantial effect of interest rate changes on a financial institution's valuation.
Mindmap
Keywords
💡Duration Gap Analysis
💡Market Value of Equity
💡Risk-Sensitive Assets and Liabilities
💡Modified Duration
💡Net Interest Income
💡Weighted Average Duration
💡Interest Rate Risk
💡Yield to Maturity (YTM)
💡Macroeconomic Context
💡Financial Reporting Requirements
Highlights
Duration Gap analysis measures a bank's exposure to interest rate risks by assessing the sensitivity of the market value of equity to interest rate movements.
Market value of equity is calculated as the number of equity shares multiplied by the market price per share.
The process involves bucketing risk-sensitive assets and liabilities based on repricing dates into various time bands.
Computing the modified duration of both risk-sensitive assets and liabilities is a key step in the analysis.
The impact of interest rate changes on net interest income and the market value of the firm is measured using duration Gap.
A spreadsheet example illustrates the balance sheet of a financial institution with rate-sensitive assets and liabilities.
Duration is fundamental to Duration Gap analysis and is calculated for each financial instrument.
The duration calculation for a 3-year CD involves present value of cash flows and the face value realized at maturity.
Duration is computed by multiplying the present value of cash flows by the year and dividing by the market value.
The weighted average duration for assets and liabilities is calculated to determine the duration Gap.
Net interest income is derived from the interest earned on assets and paid on liabilities.
The duration Gap is calculated by subtracting the weighted average duration of liabilities from that of assets.
Equity is the residual market value after accounting for risk-sensitive liabilities.
A scenario analysis demonstrates the impact of a 1% interest rate increase on the financial institution's market value.
The change in interest rates affects the duration and market value of securities, with longer durations experiencing greater impacts.
An increase in interest rates results in a decrease in the market value of assets and equity for the financial institution.
Duration Gap analysis is a crucial tool for financial institutions to understand and manage interest rate risk.
Several central banks mandate the inclusion of Duration Gap analysis in financial reporting to inform stakeholders of interest rate risk sensitivity.
Transcripts
duration Gap analysis measures the level
of A bank's exposure to interest rate
risks in terms of the
sensitivity of the market value of its
Equity to movements in interest rates
please recall market value of equity is
the number of equity shares issued by
the firm multiplied by the market price
per share duration Gap analysis involves
the following steps one bucketing all
risk sensitive assets and risk sensitive
liabilities exactly as in the repricing
Gap analysis based on the residual
maturity or repricing dates in the
various time bands step number two
Computing the mol
duration of the risk sensitive assets
and risk sensitive liabilities and step
number three using the above measure the
impact on the net interest income the
duration Gap and most importantly the
market value of the firm when interest
rates change let's look at a spreadsheet
example to understand this in detail so
what we have here is a condensed balance
sheet of a financial
institution reflecting essentially the
assets and liabilities which are rate
sensitive and what is also shown here is
not the book value of the assets and the
book value of liabilities but it is the
market value of assets and the market
value of liabilities as already
explained earlier market value is the
price at which these instruments are
quoting in the market what you will also
notice is a column called
duration and this is fundamental to
duration Gap analysis we will see how
this duration is computed and what is
its role in determining interest rate
risk let's go through how this duration
is calculated let's take this threeyear
CDs the market value of this CD is 300
and the interest rate is 7% now what you
will see here is the duration
calculation for this CDs so what we have
here is the cash flows at 7% for 3 years
plus the face value which will be
realized at the end of the three years
and if you compute the present value of
these cash flows remember the coupon is
7% and the eeld to mature it is also 7%
so when you compute the present value of
the cash flows it should add up to 300
now to calculate duration what you do is
you take this figure multiply by the
year which is what is reflected in this
column so how did we arrive at
36.6 it is 18.34%
ated
as this figure divided by this figure
which in this case works out to
2.88 we've done exactly the same thing
for the six-year commercial loans the
six-year commercial loans is 700 at 12%
and what you see here is the cash flows
700 into 12% every year for 6 years and
the face value of 700 and you compute
the present value of those cash flows
the total should come up to 700 because
the yield to maturity at this point in
time is equal to the coupon rate of 12%
and finally the 10year treasury bonds we
do exactly the same arithmetic at 8% on
200 cash flows of 16 for 10 years at the
end of the 10th year the face value of
200 would be realized the present value
would be also 200 because YTM is 8% and
the coupon rate is also 8% and the
duration is calculated exactly as we did
before which is multiply the year into
the present value of the cash flow and
the total of that works out to as you
can see 1449 38 that 14 49.38.07
7 years so what we have transcribed here
is this
2.88 for the 3E CDs the
4.65 which is the duration for these
commercial loans and 7.24 7 which is the
duration for the 10-year treasury bonds
what you have here is the weighted
average of the duration for the
liabilities and the Assets Now how did
we calculate that it is uh 100 into the
duration cash duration is zero 700
into
4.65 + 200 into 7.24 7 divided by 1,00
would give you a figure of
4673 and this weighted average duration
is also computed in exactly the same
manner also important to note the net
interest income therefore is 700 into
12% plus 200 into 8% minus 620 into 5%
minus 300 into 7% That's how we arrived
at this figure of 48 and the duration
Gap let me explain this duration
calculation to you we have 4.67 3 years
on a total assets of 1,000 whereas this
1.59 is on a total assets of of
920 so in order for us to compute like
for like we need to take the duration
Gap we we start with 4.67 3 which is the
weighted average of the duration for the
risk sensitive assets minus
1.59 into
920 divided by 1,000 because remember
the risk sensitive liabilities are only
920 and therefore this 1.59 needs to be
adjusted in order to be able to do a
realistic subtraction and that gives you
a weighted average duration of
3.21 the other point to bear in mind and
I'm going to come back to this again a
little later the equity is the market
value of equity which is total assets
1,000 so by the law of accounting we
should have total liabilities also equal
to 1,000 but the risk sensitive
liabilities total up only to
920 and therefore the mark market value
of equity is the residue which is 1,
minus
920 what we have summarized here is what
we saw in the previous spreadsheet the
weighted average duration for the assets
was 4.67 3 and the weighted average
duration for the liabilities is
1.59 and the net interest income was 48
and the market value of equity was 80
now here's a scenario where let us say
the macroeconomic context in the country
changes and as a result the interest
rate on all risk sensitive assets and
liabilities would change for ease of
understanding I have assumed an interest
rate change of 1% so onee time deposits
the interest rate now goes up from 5% to
6% threee CDs it goes up from 7% to 8%
six-year commercial loans goes up from
12% to 133% and 10e treasury bonds goes
up from from 8% to 9% the Assumption
we've made here is all the changes in
interest rates are equal that's to make
our life simple in this example in the
real world they do not go up by exactly
the same proportion let us see what this
one% rate change does to our duration
and therefore to the market value of
equity of this financial institution if
you look at this computation threee CDs
remember earlier it was 300 so why did
it drop from 300 to
292.00 it's fairly straightforward the
cash flows that means the coupon on
these CDs is 7% so on 300 it is 21 each
year the YTM now is 8% and therefore the
present value of the cash flows would be
computed as shown in this column and the
total of that works out to
29227 and in the duration computation we
do exactly what we did before which is
multiply the present value into the
number of years and the total of that
works out to
8199 and if you now calculate the
duration for the CDs it is
8199 divided by
292.00 five years the point to note here
is with the 1% increase in interest
rates the duration which was earlier
2.88 has now come down to
2.85 and more importantly if you take
the 10year treasury bonds using exactly
the same logic the cash flows at 8% were
16 on 200 for a period of 10 years the
present value would now be because the
coupon was 8% and the YTM is now 9% the
present value of the cash flows will now
add up to
1887 and the duration computed would
change to
7146 which was
7247 earlier now please note because the
T bonds have a maturity of 10 years the
change in the duration is much more than
for example the change in the duration
in the case of the 3year CD
remember what we learned earlier longer
the duration more will be the impact on
the market value of the Securities you
will also notice that with these change
in interest rates the net interest
income would come down to
47800 more importantly if you look at
the weighted average duration it has
come down from
1.59 to 1.57 eight and the weighted
average duration of the asset has come
down from 4.67 3 to
4599 and the duration Gap as a
consequence has come down from 3.21 0 to
3.98 most important and this is where we
study the impact of interest rate risk
on the market value of the firm the
market value of assets have dropped to
9591
18 but if you look at the market value
of the risk sensitive liabilities it
totals up only to
market value of the equity falling from
80 to
46.9 so if you we an equity stockholder
in this financial institution you will
find this 1% increase in interest rate
has hurt the market value of your Equity
by substantial amount moving from 80 to
4691 so as we saw in that spreadsheet
example duration Gap analysis helps us
determine the magnitude of change in the
net interest income and more importantly
the market value of equity when interest
rates change this methodology would
apply equally effectively to any
financial
institution several central banks around
the world have mandated financial
institutions under their jurisdiction to
include duration Gap analysis as part of
the mandatory financial reporting
requirements in order that the
stakeholders of that financial
institution are made aware of the
sensitivity of interest rate risks on
the market price of that institution's
Equity stock price
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