MTF Calculator: Calculate Margin, Interest and Profit on Leveraged Trades

Margin Trading Facility, commonly known as MTF, lets you buy more shares than your available cash would normally allow, with your broker funding the rest against interest. It sounds simple until you actually try to work out what a trade will cost you after interest, brokerage, and other charges eat into your profit.

That is exactly the gap an MTF calculator fills. Enter your investment amount, the number of days you plan to hold the position, and your expected return, and the calculator instantly shows your funded amount, applicable interest, brokerage, and net profit or loss. This guide explains how MTF works, how brokers like Zerodha, Groww, Dhan, Kotak, and IndMoney price it, and how to use an MTF calculator to make sure leverage actually works in your favour before you place the trade.

If you are new to margin trading, this article covers everything from the underlying formula to the tax treatment of profits, so you can make an informed decision rather than a hopeful one.

What Is MTF (Margin Trading Facility)?

Margin Trading Facility is a SEBI-regulated leverage product that allows a stockbroker to fund part of your stock purchase while you pay only a fraction of the total value upfront, known as the margin. The broker pays the balance and holds the purchased shares as collateral, or pledge, until you repay the funded amount either by selling the shares or by adding your own funds.

Unlike intraday leverage, MTF positions can be carried forward for weeks, months, or even longer, provided you keep paying the applicable interest and maintain the required margin. It is available only on stocks that fall under the exchange’s approved list of Group 1 securities, and every trading day the borrowed amount accrues interest, whether the market is open or closed.

MTF Calculator: Core Formula and Components

Every MTF calculator, whether it is a Zerodha MTF calculator, a Groww MTF calculator, or one built for Dhan or Kotak, works on the same underlying logic:

Total buy value = Your margin + Amount funded by the broker

Interest cost = Funded amount × Daily interest rate × Number of days held

Brokerage and charges = Per-order brokerage + statutory charges (STT, GST, stamp duty, exchange charges, pledge/unpledge fees)

Net profit or loss = (Selling value − Buy value) − Interest cost − Brokerage and charges

The single biggest variable across brokers is the daily interest rate, since even a small difference compounds quickly over a longer holding period. This is why running the numbers through an MTF interest calculator before entering a trade matters more than most traders assume.

Worked Example

Suppose you want to buy shares worth ₹1,00,000 and your broker offers 4x leverage, meaning you contribute ₹25,000 and the broker funds ₹75,000.

This is the appeal of MTF: it can amplify your return on capital significantly. But the same leverage works in reverse if the stock falls, which is why an MTF profit calculator that also models the downside is essential before you commit funds.

MTF Charges Calculator: What Costs Are Involved

An MTF brokerage calculator or MTF charges calculator typically breaks costs into the following heads:

MTF Interest Rate Comparison Across Popular Brokers

Interest rates and terms change periodically, so always confirm the current rate on your broker’s official pricing page before trading. As of the latest available data, discount brokers typically charge in the 0.033% to 0.05% per day range, while some brokers advertise annualised rates starting around 12% to 18% per annum depending on the funded amount slab.

Broker	Typical MTF Interest Structure	Notes
Zerodha	Around 0.04% per day on funded amount	Also charges pledge, unpledge, and square-off fees separately
Groww	Daily interest on funded amount, slab-based	Leverage varies by stock, check the approved MTF stock list
Dhan	Interest starting near 12-13% per annum on higher slabs	Offers up to 4x leverage on eligible stocks
Kotak Securities	Interest charged on funded amount, bank-backed broker rates	Often bundled with margin pledge facility
IndMoney	Daily interest on funded amount	Leverage and stock list vary by market cap and liquidity

Because rates and leverage multiples are revised from time to time, the smartest approach is to plug your own numbers, the actual buy value, expected holding period, and your broker’s current published rate, into an MTF calculator rather than relying on rates you saw months ago.

How to Use an MTF Calculator Online

Using an MTF margin calculator takes less than a minute:

Running a few scenarios, a shorter holding period versus a longer one, or a modest return versus an optimistic one, gives you a realistic picture of the breakeven point at which MTF stops being profitable due to accumulating interest.

MTF vs Regular Delivery Trading: A Quick Comparison

Particulars	Regular Delivery Trading	Margin Trading Facility (MTF)
Capital required	Full trade value upfront	Only the margin percentage, broker funds the rest
Leverage	None (1x)	Typically 2x to 4x, varies by stock
Holding period	Unlimited, no daily cost	Unlimited, but daily interest accrues
Additional charges	Standard brokerage and statutory charges	Standard charges plus interest, pledge and unpledge fees
Risk	Limited to capital invested	Amplified, since losses are also leveraged
Suitable for	Long-term, low-turnover investors	Traders confident of a move within a defined time frame

Tax Treatment of Profits from MTF Trades

Profits from stocks bought using MTF are taxed the same way as any other listed equity delivery trade, based on the holding period:

Note that the interest paid on the MTF funded amount is a cost of the trade but is not a separately deductible expense against your salary or other income; it simply reduces your net trading profit. Since most MTF positions are closed within weeks or a few months, the bulk of MTF profits fall under the short-term capital gains bracket, so factor the 20% tax bite into your MTF profit calculator projections rather than looking only at the pre-tax number.

For the current, official position on capital gains tax rates, refer to the Income Tax Department’s guidance on short-term capital gains. For the regulatory framework governing how brokers must operate MTF, including margin and collateral rules, see SEBI’s circular on Margin Trading Facility.

Who Should Use MTF, and Who Should Avoid It

MTF suits traders and investors who:

MTF is generally unsuitable for:

Managing Your Broader Financial Plan Alongside MTF Trading

MTF is just one piece of a larger financial picture, and it works best when it sits within a plan rather than replacing one. If you are weighing whether to deploy a lump sum through MTF or invest it steadily instead, our SIP Calculator can help you compare the two approaches over time. Long-term investors who prefer a fixed, predictable return might find our Fixed Deposit Calculator useful for parking capital you are not actively trading with.

If you are using borrowed funds through MTF, it also helps to understand how compounding works on both sides of the equation, our Compound Interest Calculator shows how interest costs and investment returns both compound over time. And if you are managing an existing loan alongside your trading capital, the EMI Calculator can help you decide whether to prioritise loan repayment or leveraged trading with your surplus funds.

Traders who are also salaried employees planning their long-term exit corpus may want to check our Gratuity Calculator to estimate their retirement payout, or the PPF Calculator if part of that corpus is going into a tax-free long-term instrument instead of the market. Freelancers and business owners handling invoicing linked to their trading or advisory income can also use our GST Calculator for related compliance calculations.

Frequently Asked Questions