Income Tax

Broker P&L vs AIS Mismatch: Capital Gains Working File

Finin2min Tax Desk·June 2026·9 min readBROKER/AISValidated: 17 June 2026

Securities AIS data often shows gross transaction values, while broker P&L computes gain/loss. The filing position must be based on tax computation with evidence, not raw AIS gross numbers.

For broader context, see the Income Tax and Salary Hub.

Detailed analysis

Why mismatch occurs
AIS may receive transaction-level values from market/reporting entities. Broker P&L may adjust cost, holdings, corporate actions, STT, charges and realised/unrealised classification. The taxpayer must reconcile transaction values to taxable gain/loss.

Related Calculator

Form 16, Form 26AS and AIS Tax-Credit Reconciler

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Practical example

Example
AIS shows equity sales of ₹52 lakh. Broker realised P&L shows short-term gain of ₹1.35 lakh and long-term gain of ₹82,000 after cost. ITR should not report ₹52 lakh as gain. Keep broker capital-gains report, holding statement and reconciliation to AIS gross sales.

Reconciliation file

Mismatch item	Evidence
Gross sale value	AIS transaction list and broker contract notes.
Cost of acquisition	Holding statement and purchase contract notes.
Corporate action	Bonus/split/merger adjustment evidence.
Intraday/F&O	Segment-wise broker P&L and business/income classification review.
Charges/taxes	Broker ledger, STT/charges and tax computation.

Use the Capital Gains Tax Calculator India — LTCG & STCG to apply these points to your figures or facts.

Common mistakes

Avoid these mistakes

Reporting AIS gross sale value as income.
Ignoring corporate actions.
Mixing delivery equity with F&O/intraday.
Not reconciling multiple brokers.
Not saving contract notes and holding statement.

Official reference framework

Checked on 17 June 2026
Based on official AIS FAQ, Income-tax Act, 2025 and Income Tax e-Filing return help pages.

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Official sources used

This article is intentionally source-limited to official Income Tax Department / e-Filing material. Source validation date: 17 June 2026. Verify final positions with the latest Income-tax Act, rules, forms, portal utilities and instructions before filing.

For the connected rule, example or next step, see Capital Gains Indexation Working File for Property Sales.

FAQs

Why does AIS differ from broker P&L? ▾

AIS may show transaction values, while broker P&L calculates gain/loss after cost and adjustments.

Should AIS gross sale value be treated as capital gain? ▾

No. Taxable capital gain requires sale value, cost and classification computation.

What documents should be kept? ▾

Broker P&L, contract notes, holding statement, AIS download and computation.

What about F&O/intraday? ▾

They may require separate tax classification review.

Should multiple broker accounts be consolidated? ▾

Yes. Consolidate before final ITR.

Source and review trail

Use the current official instrument, portal or regulator publication before acting. This panel separates the category authority from page-specific references.

Primary category: Income Tax
Official starting point: www.incometax.gov.in

Page source links

For the connected rule, example or next step, see ITR for Capital Gains AY 2026-27: ITR-1, ITR-2 or ITR-3?.

For the connected rule, example or next step, see Selling a House: Capital Gains Evidence File Before You Sign.