Learn/ Tax & paperwork/ Lesson 02

Tax & paperwork · Lesson 02 9 min read Intermediate

How turnover is computed

The word means something entirely different here than it does in ordinary speech. Get the computation wrong and you will either believe you need an audit when you do not, or miss one that you do.

Before you read on

Thresholds, section numbers and forms change, and they changed with the Income-tax Act, 2025 taking effect from assessment year 2026-27. Treat the figures here as illustrative of the structure and confirm the current position with a professional before filing.

What turnover is not

In ordinary business, turnover is the value of what you sold. Traders instinctively apply that and arrive at a terrifying number — one lot of Nifty is worth lakhs, and two hundred round trips would be crores.

That is not how F&O turnover is computed, and the misunderstanding causes real anxiety every filing season. Contract value is irrelevant.

Nor is turnover your profit. A trader who broke even for the year still has a turnover figure, and it may be substantial.

What it actually is

The accepted method, following ICAI guidance, is the absolute profit approach:

  1. Take the result of every trade — the gain or the loss.
  2. Make all of them positive. A ₹7,500 loss contributes 7,500, not −7,500.
  3. Add them up. That total is your turnover.

Two practical notes. Costs — brokerage, STT, GST, exchange charges, stamp duty — are excluded from the turnover computation, even though they reduce your actual profit. And for options, premium is counted once: if your broker's P&L has already netted the premium into each trade's result, do not add it again separately. Double-counting premium is the most common way people arrive at an inflated figure.

A worked example

Three trades in a year:

  • Nifty option, profit ₹12,000
  • Bank Nifty option, loss ₹7,500
  • Stock future, profit ₹2,000

Turnover = 12,000 + 7,500 + 2,000 = ₹21,500.

Note what happened to the loss: it increased turnover. Profit for the year is 12,000 − 7,500 + 2,000 = ₹6,500, less costs. Two completely different numbers, computed from the same three trades, and they answer different questions.

Turnover against profit, as activity risesIllustrative
The two lines are unrelated. Turnover climbs steadily with the number of trades. Profit does whatever it does — including turning negative while turnover is at its highest. A busy loss-making year produces the largest turnover figure of all.

Turnover measures how much you traded. It says nothing at all about how well.

Why the number matters

Turnover is the input to the audit test. The structure — which has survived the change of statute even as section numbers moved — works like this:

  • There is a base threshold above which a tax audit applies.
  • There is a much higher threshold available when essentially all receipts and payments run through banking channels rather than cash — commonly at least 95% on both sides.
  • F&O traders normally satisfy that cash condition comfortably, since exchange settlement is entirely banked, so the higher threshold is usually the relevant one.

Two persistent myths worth dispatching:

  • "A loss means an audit." No. A loss does not by itself trigger an audit. The turnover test and the presumptive-scheme rules are what decide it.
  • "An audit means a problem." No. It is a compliance requirement, carried out by a chartered accountant, and it is routine.
Common mistake

Computing turnover from the contract notes by hand, in a spreadsheet, at the end of the year. Every broker in India provides a tax P&L statement that reports realised trade-level results in the form this computation needs. Download it, hand it to your accountant, and reconcile rather than reconstruct. Manual reconstruction across a few hundred trades is where the double-counted premium creeps in.

Read it yourself

Practice
  1. Four trades: +₹30,000, −₹45,000, +₹18,000, −₹12,000. What is turnover, and what is profit?
  2. You paid ₹90,000 in total charges over the year. Does that reduce your turnover?
  3. Two traders both end the year flat. One took 40 trades, the other 600. Do they have the same turnover?
Show answers

1. Turnover = 30,000 + 45,000 + 18,000 + 12,000 = ₹1,05,000. Profit = 30,000 − 45,000 + 18,000 − 12,000 = −₹9,000, a loss, before costs. A six-figure turnover and a loss, from the same four trades.

2. No. Costs are excluded from the turnover computation. They do reduce your taxable profit, so claim every one of them — but they do not help you stay under a threshold.

3. No, and the difference is enormous. Both made nothing, but the 600-trade year generated roughly fifteen times the turnover. Activity alone can push a break-even trader past an audit threshold that a profitable, patient trader never approaches. This is one more cost of over-trading, and it is invisible until the year ends.

Terms used

Turnover
Sum of the absolute values of all trade results. Not contract value, not profit.
Absolute profit
The method above — losses counted as positive numbers.
Tax audit
A statutory examination of books by a chartered accountant, triggered by turnover tests.
Tax P&L
The broker statement reporting realised results in the form this computation needs.

Practise this on your own charts

The Tax & paperwork track works through 3 lessons like this one, each built around a drawn example and an exercise you complete yourself.

See the Tax & paperwork track