Tamilnad Mercantile Bank (NSE:TMB) Beta: 0.7083 (As of Jun. 25, 2026)


NSE:TMB Tamilnad Mercantile Bank Ltd NSE:TMB
57 GF Score
Price ₹763.45
GF Value ₹560.53
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Tamilnad Mercantile Bank Beta?

Tamilnad Mercantile Bank NSE:TMB +0.57% 57 Beta is 0.7083 as of Jun. 25, 2026. GuruFocus rates NSE:TMB with a GF Score™ of 57/100 and a GF Value™ of ₹560.53 (Significantly Overvalued). The stock has 5 warning signs investors should review.

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-06-25), Tamilnad Mercantile Bank's Beta is 0.7083.


Tamilnad Mercantile Bank  (NSE:TMB) Beta Explanation

Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. We usually compare beta to 1. A beta of 1 indicates that the security's price will move with the market. A beta of less than 1 means that the security will be less volatile than the market. A beta of greater than 1 indicates that the security's price will be more volatile than the market.

Beta is primarily used in the Capital Asset Pricing Model (CAPM) to calculate the Cost of Equity, which can be used in the calculation of WACC %. The formula of Cost of Equity is:
Cost of Equity = Risk-Free Rate of Return + Beta of Asset * (Expected Return of the Market - Risk-Free Rate of Return)


Tamilnad Mercantile Bank Beta Related Terms


Tamilnad Mercantile Bank Beta Historical Data

* Premium members only.

The historical data trend for Tamilnad Mercantile Bank's Beta can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Tamilnad Mercantile Bank Beta Chart

Tamilnad Mercantile Bank Annual Data
Trend Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Beta
Get a 7-Day Free Trial 0.00 0.00 0.00 0.00 0.38

Tamilnad Mercantile Bank Quarterly Data
Mar21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Beta Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.32 0.38 0.38

Tamilnad Mercantile Bank Beta Competitor Comparison

For the Banks - Regional subindustry, Tamilnad Mercantile Bank's Beta, along with its competitors' market caps and Beta data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Tamilnad Mercantile Bank Beta vs Banks Industry

For the Banks industry and Financial Services sector, Tamilnad Mercantile Bank's Beta distribution charts can be found below:

* The bar in red indicates where Tamilnad Mercantile Bank's Beta falls into.


NSE:TMB
57GF Score
Tamilnad Mercantile Bank Ltd NSE:TMB
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tamilnad Mercantile Bank Beta Calculation

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. A stock's beta can be calculated by dividing the product of the covariance of the individual stock's returns and the market's returns by the variance of the market's returns over a specified period. Basically, GuruFocus uses the returns calculated over three-year period.

Frequently Asked Questions Learn more about Beta →
What does a Beta of 0.7083 mean?
Tamilnad Mercantile Bank (NSE:TMB) has a Beta of 0.7083 as of Jun. 25, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Tamilnad Mercantile Bank and its competitors.
Is Tamilnad Mercantile Bank's Beta too high?
Tamilnad Mercantile Bank's current Beta is 0.7083. Overall, Tamilnad Mercantile Bank has a GF Score™ of 57/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tamilnad Mercantile Bank's Beta compare to competitors?
Tamilnad Mercantile Bank's Beta of 0.7083 can be compared against companies in the Banks industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beta for a Banks company?
A good Beta depends on the Banks industry context. However, Beta should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Beta mean?
A high Beta can signal that a stock is expensive relative to its fundamentals. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Tamilnad Mercantile Bank and its competitors. Tamilnad Mercantile Bank's current Beta is 0.7083. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tamilnad Mercantile Bank stock overvalued right now?
Based on GuruFocus' analysis, Tamilnad Mercantile Bank (NSE:TMB) is currently considered Significantly Overvalued. The stock's GF Value™ is ₹560.53, compared to a current price of ₹763.45 — trading 36.2% above its estimated fair value. The current Beta is 0.7083. Tamilnad Mercantile Bank's overall GF Score™ is 57/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Beta calculated?
Beta is calculated from a company's financial statements. For Tamilnad Mercantile Bank (NSE:TMB), the current Beta is 0.7083 as of Jun. 25, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Tamilnad Mercantile Bank (NSE:TMB) Overvalued in 2026?

Based on GuruFocus' analysis, Tamilnad Mercantile Bank stock appears to be overvalued. The current stock price of ₹763.45 is trading 36.2% above its estimated GF Value™ of ₹560.53. GuruFocus considers Tamilnad Mercantile Bank to be Significantly Overvalued.

Key valuation signals for NSE:TMB:

  • Beta: 0.7083
  • GF Value™: ₹560.53 vs. price of ₹763.45 (36.2% above fair value)
  • GF Score™: 57/100 with 5 warning signs

No single metric tells the full story. See the NSE:TMB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tamilnad Mercantile Bank Business Description

Other Exchanges 543596:India
Address No. 57, Victoria Extension Road, Tuticorin, TN, IND, 628 002
Tamilnad Mercantile Bank Ltd is engaged in providing a wide range of banking & financial services involving retail, corporate banking and para-banking activities in addition to treasury and foreign exchange business. The company has a portfolio of advances and deposits from a diversified customer base including retail customers, agricultural customers, and MSMEs. The segments of the bank are Treasury, Corporate and Wholesale banking, Retail banking, and Other banking Operations. It generates the majority of its revenue from the Retail banking segment.
57GF Score

Get the complete analysis for NSE:TMB

Beta is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

₹763.45
Price
₹560.53
GF Value