Taxation

F&O turnover is not "how much volume I did"

Notional, premium and absolute-profit methods produce wildly different numbers. Label yours.

2026-01-06 · 7 min read

Turnover is where the tax conversation goes off the rails fastest, because at least three different numbers wear the same name.

A trader means traded value. A CA may mean something computed from absolute profits and losses. And option notional is a different universe again.

Three numbers, one word

The gap is not small. On a single index option lot, the notional exposure can be a hundred times the premium involved.

If your journal exports anything labelled turnover, the method has to be printed in the header. Otherwise somebody will read the wrong number at exactly the wrong moment.

One month of option trading, three ways to count it
Notional value of contracts₹4.2 crorePremium turnover₹18.5 lakhAbsolute profit + loss₹3.4 lakh

The same trading month. Illustrative journal data, not a live book and not a performance claim.

Why the label matters practically

Thresholds discussed in audit conversations are rupee figures. Feed the wrong base into them and you will either panic for no reason or relax for no reason.

Neither is a good way to meet your CA.

What we will not do

A journal can add up numbers you ask it to add up and name the formula. It should never print a sentence like "you are liable for tax audit". That conclusion needs the current Finance Act and your complete facts.

Three things people call turnover
NameRoughly how it is computedWhere it shows up
Notional valueUnderlying × multiplier × lotsExposure and margin talk
Premium turnoverPremium × quantity, both sidesOption cost and STT discussion
Absolute profit and lossSum of absolute trade outcomesProfessional turnover computations

Definitions used in tax work are set by professional guidance and current law, not by a journal.

Key takeaways

Where these numbers come from

Your book already has these numbers. Import a broker CSV and the charts above draw themselves from your own closed trades.
Open the journal