Budget Day 'Big Bang' Fades as Markets Adapt to Continuous Policy Reforms
Budget Day's traditional market impact has significantly diminished as India transitions to continuous, predictable policymaking. Sensex reactions over the past three years have been minimal, with investors now positioning months in advance rather than reacting to Budget announcements. While day-of volatility has decreased, the Budget continues to influence sector leadership and remains crucial for signaling fiscal policy direction and growth initiatives.

*this image is generated using AI for illustrative purposes only.
The era of dramatic market swings on Budget Day appears to be ending, as India's financial markets show increasingly muted reactions to the Union Budget announcement. This shift reflects a fundamental change in how policy decisions are communicated and implemented throughout the year.
Market volatility around Budget Day has declined significantly, with expectations becoming more measured as investors focus on medium-term policy direction rather than single-day announcements. The finance ministry will present the FY27 Budget on 1 February 2026, at a time when it appears fairly placed to meet its 4.4% of GDP fiscal-deficit target, despite weak nominal GDP growth and sharp cuts in personal income tax and GST.
Diminishing Budget Day Impact
A comprehensive analysis reveals that Budget Day has failed to stir markets meaningfully over the past three years. The data shows a clear pattern of reduced market reaction:
| Year | Budget Day Sensex Performance |
|---|---|
| 2023 | +0.4% |
| 2024 | +0.61% |
| 2025 | Flat (0%) |
"The Budget is no longer the sole 'Big Bang' now," said Dhiraj Relli, managing director and chief executive of HDFC Securities. This transformation stems from policymaking becoming more continuous, predictable, and front-loaded, with key reforms and incentives now rolled out through cabinet decisions, press releases, and GST Council meetings throughout the year.
Pre-Budget Positioning Becomes Key
Historical data from the past 16 years demonstrates that markets typically make their biggest moves well before Budget Day, leaving the actual speech with limited impact. The pattern shows investors increasingly position themselves in advance rather than react to announcements.
Notable examples include 2021, when the Sensex rallied 22% in the three months leading up to the Budget, only to slip 2% in the final 15 days and show a marginal 0.25% move on Budget Day. Similarly, in 2022, the index fell about 3% in the 15 days before the Budget, while the three-month return was 0.2% and Budget-day gain stood at just 1.2%.
Historical Volatility Patterns
The shift becomes more apparent when comparing recent years with earlier periods. Budget Day was once marked by sharp market swings rather than lacklustre moves:
| Year | Budget Day Performance | Pre-Budget Trends |
|---|---|---|
| 2020 | -2.4% | Sharp volatility |
| 2017 | +1.7% | Significant swings |
| 2013 | -1.5% | Notable reactions |
| 2025 | Flat | Front-loaded positioning |
Since 2010, the three months before the Union Budget have consistently been marked by elevated volatility. In nearly half of these years—eight in total—the benchmark index has declined during this pre-Budget phase, reflecting rising uncertainty as investors attempt to price in policy signals ahead of time.
Sector Impact Remains Significant
Despite reduced overall market volatility, the Budget continues to influence sector leadership throughout the year. The 2025 focus on consumption led to rallies in fast-moving consumer goods (FMCG) and automobile stocks, while the defence sector experienced profit-booking.
Market consensus suggests the upcoming Budget will emphasize:
- Increased capex on infrastructure, defence, and railways
- Higher defence outlay to buffer the economy
- Support for MSMEs, manufacturing, and green energy
- Focus on artificial intelligence and export promotion
Economic Outlook and Fiscal Targets
Brokerages have provided mixed assessments for the upcoming Budget. Kotak Institutional Equities pegged FY27 GDP growth at 4.3%, factoring in slower fiscal consolidation and sustained capex, particularly in defence and state loans. BofA Securities noted in a 14 January report that the Ministry of Finance remains on track to hit its medium-term fiscal target of below 4.5% of GDP.
According to Madhavi Arora, chief economist at Emkay Global Financial Services, the Budget will be closely tracked for signals on bond yield trajectory, fiscal consolidation approach, and both pace and quality of capital expenditure allocations. Steps to ease the tax regime for foreign investors will also be crucial for improving India's investment appeal.
This evolution from event-based to process-led policy represents a maturing market where continuous reforms have replaced the traditional 'surprise factor' of Budget Day, signaling a more predictable and stable policy environment for long-term investors.

































