F&O Loss Carry Forward: Rules and the 8-Year Window (2026)
Note: This is general information, not tax advice, and tax rules change. Verify the current figures against the Income Tax Act, the relevant Finance Act and ICAI guidance, and confirm your own position with a qualified Chartered Accountant.
F&O loss is a non-speculative business loss
Because F&O is non-speculative business income, an F&O loss is a non-speculative business loss. That classification gives it relatively generous treatment: broad same-year set-off and an 8-year carry-forward. Intraday equity loss, being speculative, is treated more narrowly, more on that below.
Same-year set-off: anything but salary
In the year you incur an F&O loss, you can set it off against income under any head except salary. So an F&O loss can reduce your taxable interest income, rental income, or capital gains in the same year. It just cannot touch your salary.
Carry-forward: 8 years, business income only
Whatever loss is not absorbed in the same year carries forward for 8 assessment years. In future years it can only be set off against business income (any business income, not just F&O). Keep a clean ledger of how much loss remains and when each tranche expires.
The on-time-filing condition
If an audit applies that year, file with the audit. The cost of the audit is almost always smaller than the value of a carry-forward you would otherwise forfeit. Check whether an audit applies on the audit checker.
Speculative (intraday) losses are different
Intraday equity loss is a speculative business loss. It can only be set off against speculative income, and it carries forward for just 4 years, not 8. Keeping F&O and intraday cleanly separated matters here, because the two losses follow different rules. See how to calculate F&O turnover for the segregation logic.
Keep the ledger automatically
Tracking remaining losses and expiry years across multiple FYs by hand is error-prone. Aktai Tax keeps an 8-year carry-forward ledger, rolls balances across financial years and flags whether each year was filed on time. Read the wider picture in income tax on F&O trading.
Frequently asked questions
How many years can I carry forward an F&O loss?
Eight assessment years. An unabsorbed non-speculative business loss from F&O carries forward for 8 years to set off against future business income, provided you filed your ITR-3 on or before the due date in the loss year.
Can I set off F&O losses against my salary?
No. Business losses, including F&O, cannot be set off against salary income. They can be set off against any other head in the same year (such as interest, rent or capital gains), and the balance carries forward against future business income.
What happens if I file my return late?
You forfeit the carry-forward. The right to carry an F&O loss forward is conditional on filing ITR-3 by the due date. File late and the loss cannot be carried to future years, although same-year set-off may still be allowed.