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Budget 2026 STT Hike: How the 150% Increase in Futures STT Impacts Your Trading Costs (With Calculator)

The Budget 2026 STT hike has quietly but decisively altered the cost structure of derivatives trading in India. Know the details here.

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Team Sahi

Published: 2 Feb 2026, 04:01 PM IST (1 week ago)
Last Updated: 6 Feb 2026, 03:11 PM IST (1 week ago)
3 min read

Budget 2026 STT Hike: How the 150% Increase in Futures STT Impacts Your Trading Costs (With Calculator)

The Budget 2026 STT hike has quietly but decisively altered the cost structure of derivatives trading in India. While most discussions focused on capital gains and compliance updates, active traders felt the real impact elsewhere — a 150% increase in Securities Transaction Tax (STT) on futures trades.

For F&O traders, especially those trading frequently, this change directly affects net profitability, strategy viability, and even instrument choice. Margins that were already thin have become thinner.

In this article, we break down:
  • What changed in STT charges on F&O in 2026
  • Before vs after cost comparison
  • Monthly impact across trading styles
  • How traders can offset rising costs
  • Practical strategy adjustments
  • A simple STT + brokerage impact calculator

What Changed in Budget 2026?

The Union Budget 2026 announced a sharp hike in STT on equity futures while keeping options STT unchanged.

Updated STT Rates (Post Budget 2026)

Instrument STT Before STT After Change
Equity Futures (Sell side) 0.01% 0.025% +150%
Equity Options (Premium) 0.05% 0.05% No change
Equity Delivery (Sell) 0.1% 0.1% No change
  • Futures trading just became materially more expensive
  • Options trading remains tax-neutral (for now)

Why the STT Hike Hurts More Than It Appears

  • Charged on every sell transaction
  • Non-refundable
  • Applicable even on losing trades

STT is a fixed friction cost. The more you trade, the harder it bites, making the impact most severe for intraday and high-frequency traders.

Before vs After: Futures STT Cost Comparison

Assumptions:

  • Nifty Futures contract value: ₹10,00,000
  • One round trade (buy + sell)
  • STT charged on sell side only
Scenario STT Rate STT Paid
Before Budget 2026 0.01% ₹100
After Budget 2026 0.025% ₹250
Increase — ₹150 per trade

Monthly Impact of the STT Hike

Trading Style Trades / Month STT Before STT After Extra Cost
Occasional Trader 10 ₹1,000 ₹2,500 ₹1,500
Active Trader 50 ₹5,000 ₹12,500 ₹7,500
Day Trader 200 ₹20,000 ₹50,000 ₹30,000
High-Frequency Trader 500 ₹50,000 ₹1,25,000 ₹75,000

STT + Brokerage Impact Calculator

Monthly Cost Formula:

(Number of trades × Futures value × 0.025%)
+ (Number of trades × Brokerage per order)

Example:

  • Trades/month: 100
  • Futures value: ₹10,00,000
  • STT: ₹25,000
  • Brokerage: ₹20 broker = ₹2,000 | ₹10 broker = ₹1,000

Sahi cuts your brokerage costs in half. At just ₹10 per trade, active traders typically save ₹1,000 or more monthly compared to standard brokerage rates.

Who Is Most Affected by the STT Hike?

  • High impact: Intraday futures traders, scalpers, algo traders
  • Moderate impact: Swing and positional futures traders
  • Low impact: Options traders and long-term investors

Final Takeaway: Adapt Smartly, Don’t Ignore Costs

Budget 2026 has made trading more expensive, particularly in futures. While taxes cannot be avoided, optimizing controllable costs like brokerage can help traders retain more of their returns in a higher-cost market.

FAQ

Can changing brokers reduce the impact of the STT hike?

Yes. STT rates are fixed, but brokerage charges vary. Lower brokerage can meaningfully reduce overall trading costs.

How does the STT hike affect futures trading?

The STT on equity futures increased by 150%, directly raising per-trade costs and reducing net profitability for frequent traders.

Futures vs options after Budget 2026: which is more cost-effective?

Options are relatively more cost-effective from a tax perspective, but strategy choice should depend on risk and structure, not cost alone. Read more here.

Disclaimer: This article is for informational purposes only and does not constitute investment or trading advice.

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