Budget 2026 Triggers Worst Budget-Day Rout for Indian Stocks in Seven Years

Indian equity markets delivered their most punishing Budget-day performance in seven years on Sunday, February 1, 2026, as Finance Minister Nirmala Sitharaman’s Union Budget 2026-27 sparked a fierce sell-off driven primarily by a steep hike in Securities Transaction Tax (STT) on derivatives trading.

The BSE Sensex plunged 1,547 points, or 1.88%, to close at 80,722.94, while the NSE Nifty 50 shed 495 points, or 1.96%, ending at 24,825.45. Intraday volatility was extreme, with the Sensex tumbling as much as 2,300–2,500 points from its session highs—briefly dipping below 80,000—and the Nifty sliding below 24,600 before a late partial recovery. The sharp decline erased an estimated Rs.10 lakh crore (roughly $120 billion) in market capitalization, according to BSE data, in one of the broadest sectoral sell-offs seen on a Budget day.

Media and analysts widely labeled the reaction as the worst Budget-day fall since at least 2019 or 2020, with some outlets describing it as the steepest in seven years based on percentage and point drops. Historical comparisons highlight the severity: the 2026 drop surpassed the 2.43% decline in 2020 (around 988 points) and 2.1% in 2019 (793 points), marking a sharper rejection than recent precedents where Budget days often saw muted or mixed closes.

The main trigger was the government’s decision to raise STT on futures sales from 0.02% to 0.05%—a 150% increase—and on options premiums and exercised options to 0.15% from lower prior rates, effective April 1, 2026. Derivatives, particularly futures and options, dominate over 85% of daily NSE turnover, and the cost escalation immediately fueled concerns over reduced trading volumes, diminished liquidity, and profitability hits for brokers, exchanges, and active participants. Stocks tied to capital market infrastructure, such as MCX, BSE, and brokerages like Angel One, suffered the heaviest losses, with some plunging up to 18–19% intraday.

Compounding the disappointment was the lack of anticipated relief on capital gains taxes or fresh incentives to stem ongoing foreign institutional investor outflows. Expectations for measures to boost retail and foreign participation went unmet, while the Budget focused on fiscal consolidation (deficit targeted near 4.3% of GDP) and elevated capital expenditure of Rs.12.2 lakh crore to support infrastructure, manufacturing, semiconductors, biopharma, and renewables. These long-term growth drivers were overshadowed in the short term by the immediate pain from the STT surprise and unmet hopes for a more market-friendly package.

The sell-off extended across most sectors, with metals, PSU banks, financials, and mid/small-caps leading declines, though IT showed some resilience amid targeted nods. India VIX spiked over 14%, signaling elevated uncertainty and likely near-term volatility. Analysts characterized the plunge as a knee-jerk overreaction, with potential for stabilization as focus shifts to global factors, execution of Budget measures, and any follow-up clarifications. While not the absolute worst single-day crash in Indian market history (which includes far larger historical drops like 2008), the Budget-specific reaction stands out as among the most adverse in the modern era for its fiscal-policy linkage.