Can You Claim STT, Brokerage and GST as Business Expenses?

1. The key distinction: business income vs capital gains

Whether you can claim trading charges as deductions depends entirely on how your trading income is classified:

Section 37(1) of the Income Tax Act allows deduction of all expenditure incurred wholly and exclusively for the purpose of carrying on a business. Since F&O is classified as business income, all costs incurred in running your trading business are deductible.

2. Full list of deductible trading expenses (F&O and intraday)

Direct trading charges (from your broker's Tax P&L)

• STT / CTT — Securities Transaction Tax on F&O trades, Commodity Transaction Tax on MCX trades. Fully deductible. (Note: STT on equity delivery is NOT deductible.)
• Brokerage — All brokerage paid to your broker on F&O, intraday, commodity and currency trades. Zerodha charges ₹20 per order; other brokers may charge a percentage.
• Exchange transaction charges — Charges levied by NSE, BSE, MCX, and other exchanges. These appear as "Exchange charges" or "Turnover charges" in your Tax P&L.
• SEBI turnover fees — Regulatory charges levied by SEBI. A very small amount per trade but deductible.
• GST on brokerage — 18% GST charged on brokerage by your broker. Fully deductible as a business expense.
• Stamp duty — State stamp duty on trades. Charged at the time of purchase (buy side only).
• DP charges — Depository participant charges for delivering securities from your demat account. Charged per ISIN per day of sell transaction (₹13.5 + GST for Zerodha). Deductible for F&O and intraday.

Other business expenses (claim proportionate to trading use)

• Internet and telephone charges — Internet connection and mobile bills used for trading and market research. Claim the proportion used for trading (e.g., 50% if you use it partly for personal purposes).
• Trading software and charting subscriptions — Tradingview, Sensibull, Opstra, ChartIQ, and similar market data or analysis tools used for trading. Fully deductible if exclusively for trading.
• Advisory and research fees — Fees paid to SEBI-registered investment advisors or research analysts. Must be supported by proper receipts and advisor's registration details.
• Depreciation on hardware — Computers, monitors, tablets, or other hardware used primarily for trading. Depreciation is claimed at the applicable rate (typically 40% on computers) under the Income Tax rules.
• Margin interest — Interest paid on margin funding provided by your broker. Deductible as a business finance expense.
• Books and courses — Cost of books, journals, or courses related to trading and financial markets. Keep receipts.

3. What you cannot deduct

• STT on equity delivery trades — Section 48 explicitly disallows STT on equity delivery trades as a deduction from capital gains. This is one of the most common mistakes traders make.
• Personal expenses — Any expense that is partly or entirely personal cannot be fully claimed. If your internet is 80% personal and 20% trading, you can claim only 20%.
• Capital losses — Losses from equity delivery (STCG/LTCG) are not "expenses" that can be deducted from business income. They have their own set-off rules under capital gains.
• Home office expenses (typically) — While a dedicated trading room could potentially be claimed, this area has significant documentation and proportionality requirements. Consult your CA before claiming.

4. What about equity delivery trades?

For equity delivery trades classified as capital gains (STCG or LTCG), the treatment is more limited:

Brokerage and transfer charges paid on equity delivery trades can be treated as:

• Added to cost of acquisition — Brokerage paid at the time of buying shares can be added to the purchase price, which increases the cost basis and reduces the capital gain when you sell.
• Deducted from sale consideration — Brokerage paid at the time of selling (if any — Zerodha charges ₹0 on delivery) can be deducted from the sale price.

STT on equity delivery is explicitly not deductible. Section 48 of the Income Tax Act says that STT paid on equity delivery transactions cannot be considered as a cost of acquisition, cost of improvement, or expense. It also cannot reduce STCG or LTCG.

5. How much does claiming expenses actually save?

The tax saving from claiming trading expenses equals: Total deductible charges × Your marginal slab rate.

For someone with a 30% marginal rate, every ₹1,000 of deductible charges saves ₹300 in tax. For someone at 15%, it saves ₹150. The higher your F&O income, the more valuable these deductions are.

Most active F&O traders pay ₹20,000–₹80,000+ per year in trading charges alone. Claiming all of them is one of the highest-impact, lowest-effort tax reduction strategies available.

6. How to document your expenses

For trading charges (STT, brokerage, GST etc.), your broker's annual Tax P&L report is sufficient documentation. Keep it on file in case of scrutiny.

For other business expenses, maintain:

• Internet/phone bills — Monthly bills for the full year. Note the percentage attributed to trading.
• Software subscriptions — Payment receipts or bank statements showing the charge. Email receipts from Tradingview, Sensibull etc. are sufficient.
• Advisory fees — Invoice from the advisor with their name, SEBI registration number, and the amount paid.
• Hardware depreciation — Original purchase invoice. Depreciation is calculated as per IT rules (40% on computers in the first year, 40% on the written-down value in subsequent years).

7. Worked example

₹7,860 saved with zero extra investment — just by correctly reporting what you already paid your broker.