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How to Find the Margins Required to Take a Trade


Margin trading is a trading strategy in the market wherein an investor borrows money from a broker to invest and generate high-profit rates. Margin is, therefore, the difference between the total amount of investment made and the loan amount obtained from the broker.

Although margin trading is an efficient way to yield huge returns from the market, it is crucial to understand the margin requirements for purchasing a stock to avoid potential financial difficulties.

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What are Margins in Margin Trading?

Margin in margin trading represents the minimum amount of funds an investor must possess before trading in the market. Only after this requirement is fulfilled, an investor is eligible to borrow a loan from the broker.

These margins serve as collateral if the borrowed amount from the broker incurs losses. Therefore, while trading on margins has the potential to amplify your profits, the same applies to your losses.

How Does Margin Trading Work?

Margin trading helps investors to invest in the market beyond their capacity by taking a loan from brokers. However, there are certain rules established by the Securities and Exchange Board of India (SEBI) to ensure fair practices while margin trading. 

  • Minimum Margin: 

A fundamental aspect of margin trading is the minimum margin requirement. It serves as a safety net to mitigate potential losses during trading, ensuring the broker's financial security. The specific minimum margin requirement may vary among brokers.  

  • Initial Margin: 

The initial margin refers to the investor’s capital, which must be deposited in the margin account when executing a trade in the market. This initial margin may differ for different brokers, along with the borrowing capacity granted to the investor.

  • Maintenance Margin: 

Maintenance margin refers to the minimum equity level that must be maintained in your margin account after a margin trade. If the account value falls below a specified threshold, a margin call can be triggered, necessitating additional funds to be added. A margin call is a request from the broker for investors to supplement their trading account, meeting the maintenance margin criteria.  

How to Find the Margins Required for a Trade?

Determining margins is a crucial step while margin trading. Here is how the margins required can be determined to buy a trade in the stock market.

  • Margin Percentage: 

The margins required for a trade in the market depend entirely on the investment amount and the margin percentage for a particular stock. You can easily calculate the margin required through a simple formula.  

Margin Required = Number of Shares * Price of Share * Margin Percentage

  • Margin Calculator: 

Margin Calculators have become an effective tool for calculating margins for various types of trades, including F&O, equity, or ETFs. With the help of a margin calculator, you can easily determine the margin amount needed for a trade. 

All you need to do is key in the details of the stock you wish to trade, the number of shares, the price of the stock, and the type of trade (buy or sell). The margin calculator will then apply the formula, quickly do the complex calculations, and display the results instantly.


To sum up, understanding and determining margins in margin trading is of great importance. Margins help to yield high-profit rates with the help of debts and leverage. However, it is important to be cautious, as margin trading also entails the risk of potential investment declines, resulting in owing more money than your initial investment as collateral.

The National Stock Exchange mentions that a penalty of 0.7% shall be levied per day if a margin shortfall is encountered. This penalty will keep on increasing with every instance of the shortfall. Therefore, it is advisable to manage margins effectively to avoid any penalties or financial consequences.


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