STT
Also called Securities transaction tax
Securities transaction tax: a small tax charged on every share and derivatives trade on an exchange.
STT, or securities transaction tax, is a small tax on every trade in shares and derivatives on an exchange. Your broker deducts it and shows it on your contract note. It’s one of several costs on a trade, alongside brokerage. See the real cost of buying shares.
Key facts
- Shares, delivery
- 0.1% on buy and on sellPer NSE; unchanged by Finance Act 2026
- Shares, intraday
- 0.025% on sellPer NSE
- Futures, sale
- 0.05%From 1 April 2026, up from 0.02%
- Options premium, sale
- 0.15%From 1 April 2026, up from 0.10%
Questions people ask
What is the full form of STT?
STT stands for securities transaction tax. It's a tax collected on trades in shares and derivatives on a recognised stock exchange, deducted by your broker.
What is the STT on buying shares?
For delivery trades, 0.1% of the value on the buy and 0.1% on the sell, per NSE. Intraday trades pay 0.025% on the sell side only. Check the current rates on nseindia.com.
Did STT go up in 2026?
On futures and options, yes. From 1 April 2026, STT on futures rose to 0.05% and on options premium to 0.15%. Rates on ordinary share trades were unchanged.
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