STT on Futures and Options Hiked from April 2026: New Rates, Cost Impact, and What Traders Must Know

A Transaction-Level Tax Collected at Source

Securities Transaction Tax is a tax levied by the central government on the purchase or sale of securities traded on recognised stock exchanges in India. It was introduced by the Finance Act 2004 and came into effect from October 1, 2004, replacing a system of long-term capital gains tax on listed equity at the time. Unlike income tax, STT does not depend on whether a trade was profitable. It is charged on every qualifying transaction, at a fixed percentage of the transaction value, regardless of whether the trader made money, broke even, or lost money on that particular trade.

For equity shares in the cash market, STT is charged on both the buyer and the seller. For derivatives, the structure differs. In the futures segment, STT is levied on the sell side only, computed on the contract turnover. In the options segment, STT is charged at the time of exercise on the settlement value, and also on the sell side of the premium. The distinction matters because it shapes who bears the tax cost at what point in the trade.

Who Actually Pays It

STT is collected by the stockbroker at the time of the transaction and deposited with the government. It shows up as a line item on every contract note your broker generates. You do not file a separate return for STT or compute it yourself. The broker deducts it automatically, which means many retail traders are aware of the number on their contract note without fully understanding how it is calculated or why it changed. The practical result is that as of April 1, 2026, your contract notes look slightly different from what they showed in March 2026, with a higher STT line on identical trades.

What the Budget 2025-26 Announced

Finance Minister Nirmala Sitharaman’s Union Budget 2026-27 presented in February 2026 proposed two changes to STT on derivatives, both effective from April 1, 2026. First, the STT rate on the sale of futures contracts was raised from 0.01% on each side (effectively 0.02% combined) to 0.02% per side — but to avoid ambiguity, the more commonly quoted number in the market is the effective rate on turnover, which moved from 0.02% to 0.05% on the sale side. Second, the STT on options was raised from 0.0625% on the sell side of premium to 0.1%, then in a further revision confirmed in the Finance Bill, the options premium sell-side rate moved to 0.15%. The net effect is straightforward: every derivatives trade is more expensive from April 2026 onwards.

The exercise STT on options also rose, from 0.125% to 0.15%, bringing it in line with the sell-side premium rate. The only thing that did not change is the STT on equity cash market delivery trades, which remains at 0.1% on each side. The hike covers all three derivatives components: futures turnover, options premium on sale, and options settlement on exercise.

How STT on Futures Is Calculated

For a futures contract, STT is charged on the sell side only. The base is the turnover of the sell transaction, which is calculated as: contract price at the time of sale multiplied by the lot size of the contract. If you bought a Nifty futures contract last week and you sell it today, STT is charged on today’s sell price multiplied by the lot size. If you are a short seller who opens a futures position and then squares off, STT is charged on the opening short sell transaction as that is the sell side of the trade, and also on the square-off if that involves a sell transaction.

The rate from April 1, 2026 is 0.05% of sell-side turnover, up from 0.02% previously. To put this in plain rupee terms, for every Rs 1 lakh of futures sell turnover, you now pay Rs 50 as STT, compared to Rs 20 earlier. The incremental cost is Rs 30 per Rs 1 lakh of sell turnover — a 2.5x increase.

Nifty 50 Futures: Before and After

A trader who does a round trip on one Nifty futures lot — buying and then selling — pays STT only on the sell side. The extra cost per round trip is Rs 183.75 per lot at Rs 24,500. If you trade 10 lots per day, that is Rs 1,837.50 of additional STT every single trading day. Across 250 trading days, that is Rs 4.59 lakh of incremental STT cost per year, assuming Nifty stays at approximately the same level.

Bank Nifty Futures: The Higher-Value Contract

How STT on Options Works

Options STT has two components and most retail traders only know about one of them. The first component applies when you sell an options contract: you pay STT at 0.15% (up from 0.1%) on the premium received. The premium here means the option price per unit multiplied by the lot size. If you sell a Nifty call at a premium of Rs 150, the STT base is Rs 150 multiplied by the lot size, not the notional value of the underlying contract.

The second component applies when an options contract is exercised. If you hold an option to expiry and it expires in-the-money, the exchange physically settles it. STT at 0.15% (up from 0.125%) is now charged on the settlement value, which is the intrinsic value per unit multiplied by the lot size. A Nifty call that is Rs 500 in-the-money at expiry has a settlement value of Rs 500 x 25 = Rs 12,500, on which STT is Rs 18.75 at the new rate, compared to Rs 15.63 before. This component catches many retail buyers by surprise because they paid no STT when they bought the option, and then face settlement STT on expiry.

Index Options: Selling a Nifty Call

For a retail trader selling a single Nifty options lot, the incremental STT per trade is Rs 2.50 at a Rs 200 premium. That sounds trivial. But the impact scales with premium value and volume. An options seller writing 50 lots of a Rs 200 Nifty call pays an extra Rs 125 in STT on that single transaction. A professional options writer selling 500 lots pays an extra Rs 1,250 per transaction. Across multiple strikes and multiple trades per day, the additional cost accumulates to a meaningful sum.

How Premium Level Changes the Impact

The two scenarios illustrate a critical point. Because options STT is charged on premium and not on notional contract value, strategies involving high-premium at-the-money or in-the-money options feel the hike more acutely in absolute rupee terms than strategies involving cheap out-of-the-money options. Straddle and strangle sellers working with expensive weekly expiry premium are more affected than traders buying far OTM lottery tickets.

The Revenue Rationale

India’s F&O market is among the largest in the world by number of contracts traded. NSE alone regularly ranks first or second globally in equity derivatives contract volumes. The premium turnover in the options segment has grown from a few thousand crores per day in FY20 to tens of thousands of crores per day by FY24. This explosive growth in trading volumes means that even small changes in STT rates translate into large absolute revenue collections. Raising options STT from 0.1% to 0.15% on a daily premium turnover base of Rs 50,000 crore generates an additional Rs 250 crore per day for the exchequer, all else equal. Over a full trading year, that is a significant line item in the government’s direct tax collections.

The Retail Participation Story and SEBI’s Warning

The timing of the STT hike is not unrelated to regulatory concern about retail participation in derivatives. SEBI’s widely-cited study published in January 2023 found that nine out of ten individual traders in the F&O segment lost money over a three-year period. A follow-up study in 2024 covering FY22 to FY24 found that aggregate losses of individual traders in the index derivatives segment exceeded Rs 1.8 lakh crore over that three-year period. These numbers caught significant policy attention.

Raising transaction costs on derivatives is one lever, alongside SEBI’s other measures such as weekly expiry rationalisation and margin requirements, to reduce the financial damage inflicted on retail participants who enter the F&O market without adequate understanding of the risks. A higher STT means that the break-even required to profit from any given derivatives trade increases. Strategies that just barely returned a profit at old STT levels may no longer be viable at new rates. The policy intent, whether stated explicitly or not, is partly to make casual speculative derivatives trading less economically attractive for retail participants.

How Break-Even Points Widen

Every transaction cost on a derivatives trade is a drag on profitability. STT is part of the total cost that a trade must overcome before it reaches profitability. When STT rises, the minimum price movement required to break even on any round-trip derivatives trade increases. For a futures trader, the math is straightforward. If your total transaction cost per round trip (brokerage, exchange fees, STT, GST, stamp duty) was Rs 400 per Nifty lot in March 2026 and is now Rs 583 per lot in April 2026 because of the STT hike, you need the market to move an additional 7 points in your favour just to stay where you were in terms of break-even. On a contract where you might be targeting 20-point moves, that is a meaningful change.

This means that a scalping strategy targeting, say, 10-point moves on Nifty futures now has a materially worse risk-reward profile than it did before April 2026. Before the hike, 10 points of movement translated into Rs 250 of gross profit per lot, against which STT and other costs had to be absorbed. After the hike, a 10-point move on one lot yields the same Rs 250 gross but the STT component alone is Rs 183.75 higher, consuming most of the gross gain. Strategies that rely on small, frequent moves in futures are the most directly impacted.

The Tax Treatment of STT Paid

STT paid on derivatives trades is not a complete loss from a tax perspective, though the benefit depends on how your F&O income is classified. For traders where F&O activity constitutes a business or profession — which is the case for most active traders under income tax rules — STT paid is deductible as a business expense when computing taxable income. You cannot claim STT as a rebate under Section 88E (that provision was abolished in 2008), but you can include it in your allowable deductions under the business income head. If you are a salaried person treating F&O as capital gains, the treatment is different and you should consult a tax adviser on deductibility.

Strategies More and Less Affected

Not all derivatives strategies feel the STT hike equally. The impact is most severe for intraday futures scalpers who generate high turnover on thin margins, and for high-frequency options sellers who sell large quantities of premium across multiple strikes. It is less severe for positional traders holding futures contracts for multiple days, because the cost increase per trade is amortised across a larger expected price movement. Long options buyers who square off before expiry bear the sell-side options STT at the new 0.15% rate, which at low premium levels adds a small absolute cost. Traders who hold options to expiry and exercise them pay the revised 0.15% exercise STT on settlement value, also changed from the old 0.125% rate.

Hedgers using futures to offset equity portfolio risk will find their cost of hedging higher. An investor holding a Rs 50 lakh equity portfolio and using Nifty futures as a portfolio hedge now pays Rs 250 more per round trip hedge at current Nifty levels relative to March 2026. For institutional hedgers running large notional books, this is a real cost. For individual investors using one or two lots of index futures to protect a portfolio during market uncertainty, it is a modest additional expense that most would absorb without altering strategy.

Disclaimer: This article is for informational and educational purposes only. All STT rates and figures are based on the Finance Act 2025 provisions effective April 1, 2026. Rupee calculations in examples use illustrative market prices and are intended to demonstrate the method of computation. Nothing in this article constitutes tax or investment advice. Traders should verify applicable rates on their contract notes and consult a qualified chartered accountant or tax adviser for advice specific to their trading activity and income classification.