How to Calculate F&O Turnover for Income Tax

TL;DR
F&O turnover for tax purposes isn't your total traded value — it's the sum of absolute profit, absolute loss, and premium received on options sold, with gains and losses added as positive numbers rather than netted against each other. That total determines whether a Section 44AB tax audit applies.
Most new F&O traders assume turnover means the total value of contracts they bought and sold. It doesn't. For tax purposes, turnover is a specific calculation defined by the guidance note on tax audits, and getting it wrong can mean either an unnecessary audit or missing one you actually needed.
The formula sums three things: absolute profit on every closed trade, absolute loss on every closed trade, and the premium received on options that were sold (written), regardless of whether they were later bought back. Notice that gains and losses are both added as positive numbers — they don't net against each other.
A worked example makes this concrete: if you had a ₹40,000 profit on one trade and a ₹25,000 loss on another, your turnover contribution from those two trades is ₹65,000, not ₹15,000.
Once you have total turnover for the year, compare it against the audit threshold to determine if Section 44AB applies to your filing — that's covered in the companion guide to F&O tax filing.
How is F&O turnover calculated for taxes?
It's the sum of absolute profit on every closed trade, absolute loss on every closed trade, and premium received on options sold (written), regardless of whether they were later bought back.
Are profit and loss netted when calculating turnover?
No — both are added as positive numbers rather than offset against each other, so a profitable trade and a losing trade both add to turnover.
What's an example turnover calculation?
A ₹40,000 profit on one trade and a ₹25,000 loss on another contribute ₹65,000 to turnover together, not the net ₹15,000.
Why does F&O turnover matter?
It determines whether a tax audit under Section 44AB is mandatory for your filing.
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