STT & Brokerage Calculator
Calculate your exact net profit, STT, and break-even points across Equity and F&O segments. Updated with the latest budget tax hikes.
Trade Details
Trade Summary
Net Profit
+₹ 19,739
After paying ₹ 261 in total taxes & charges
Points to Break Even
0.26 pts
Required price move
Total Turnover
₹2.20 L
Buy + Sell value
Tax & Charges Breakdown
How to use this STT & Brokerage calculator
- 1Select your trading segment (Delivery, Intraday, Futures, or Options).
- 2Enter the price at which you bought the asset.
- 3Enter the price at which you sold (or plan to sell) the asset.
- 4Enter the total quantity traded (for F&O, enter lot size × number of lots).
- 5View your exact Net P&L, total tax breakdown, and points needed to break even.
The April 2026 STT Hike: What Every F&O Trader Must Know
Securities Transaction Tax (STT) is a direct tax levied by the Government of India on every single transaction executed on recognized domestic stock exchanges. Over recent Union Budgets, the Finance Ministry has systematically and aggressively hiked STT to deliberately cool down the explosive retail participation in the highly risky Futures & Options (F&O) segment.
Options Traders (The 0.1% Rule): STT on the sale of options was increased significantly to 0.1% of the option premium. Unlike equity delivery where STT is charged on both buy and sell transactions, in options, STT is only levied when you *sell* the option contract (or write an option). Because it is levied on the total turnover of the premium, a highly active retail scalper might end up paying more in STT to the government than they actually take home in net profit.
Futures Traders (The 0.02% Rule): STT on the sale of futures contracts was increased to 0.02% of the trade price. While this percentage sounds incredibly small compared to options, the absolute tax amount is actually massive. Why? Because in futures trading, the turnover is calculated on the *full underlying asset value*, not just a small premium. If you trade 1 lot of Nifty Futures, your STT is calculated on a ₹25+ Lakh contract value, resulting in hefty taxes per trade.
The Hidden Trap of High-Frequency Scalping
Many beginner traders are lured into "scalping"—a strategy where you buy an option and sell it 30 seconds later for a tiny 1 or 2 point profit. While this seems mathematically safe, it completely ignores the devastating drag of statutory charges.
Every time you enter and exit a trade, you aren't just paying the ₹20 brokerage fee to your broker. You are paying:
- Brokerage: ₹20 to buy, ₹20 to sell.
- Exchange Transaction Charges: Levied by the NSE/BSE to maintain their highly robust trading infrastructure.
- SEBI Charges: A flat ₹10 per Crore turnover regulatory fee.
- GST: 18% tax calculated on the sum of your Brokerage, Exchange Charges, and SEBI fees.
- STT & Stamp Duty: Direct government taxes based on your turnover.
Our calculator factors in all these updated rates instantly and outputs your Points to Break Even. If the calculator says your break-even is 1.8 points, it means if you buy a Nifty option at ₹100, you MUST sell it at ₹101.80 just to achieve a net profit of ₹0. Any sell order below ₹101.80 means you are actively losing money to taxes, even if your trade screen shows a gross green profit.