Why Is the Stock Market Up Today? The Top 3 Factors Behind the Sensex and Nifty Rally, How Much Each Matters and Whether It Can Last

Why is the stock market up today? The answer is clear, but the size of each factor matters. The Sensex and the Nifty 50 had fallen for eight straight weeks, the longest run in 25 years, and were sitting about 16% below the Sensex's December 2025 peak of 86,159.

This guide ranks the three factors behind the Sensex and Nifty rally: weak US jobs data (payrolls up just 29,000) that cut Fed hike odds, easing crude oil and Brent with a stronger rupee, and strong bank updates after an oversold fall. It also covers FII selling, India VIX, the RBI decision on 7 October, the Sensex today and Nifty today levels and what must happen for the rebound to last. Figures are from morning and midday trade and will change, so recheck them before acting.

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Why Is the Stock Market Up Today? The Three Factors

Rank	Factor	Why it matters for Sensex and Nifty
1	Weak US jobs data cut Fed hike odds	Eases pressure on US yields, the dollar and foreign selling
2	Crude oil eased and the rupee strengthened	Reduces inflation, import-bill and RBI hike fears
3	Strong Q2 bank updates and an oversold bounce	Banks carry the heaviest weights in both indices

Together these factors attacked the three things that drove the fall in the Sensex and Nifty: foreign selling, high yields and costly oil. That is why the Sensex and Nifty moved together.

Factor 1: Weak US Jobs Data and Falling Fed Hike Odds

US September jobs report	Result	Expectation
Nonfarm payrolls	Up 29,000	About 84,000 to 95,000
Unemployment rate	4.2%	4.1%
Average hourly earnings, monthly	Up 0.1%	Up 0.3%
Wage growth, yearly	3.0%	3.2%
Revisions to July and August	Down 60,000 combined	Not applicable
Odds of an October Fed hike	13% after the report	23% before the report

The Fed raised rates in September for the first time in three years, so a weak labour market makes another hike unlikely. That sent US yields lower and stock futures higher, and Asian shares followed on Monday. Lower US yields reduce the pull on emerging-market money, which has been leaving India.

This is the largest factor for the Sensex and Nifty because foreign investors sold more than Rs 9,400 crore on 1 October and Rs 10,100 crore on 30 September. If US yields keep falling, that selling can slow.

Factor 2: Easing Crude Oil and a Stronger Rupee

Brent crude is still above $100 a barrel after trading at $106 to $107 last week, but it eased on Monday. The rupee opened 11 paise stronger at 96.20 against 96.31 on Thursday.

Indicator	Latest	Why it matters
Brent crude	Above $100, easing	India imports most of its oil
Rupee	96.20 per dollar	A weak rupee drives foreign selling
Retail inflation, August	4.82%	Above the 4% target
RBI decision	7 October	Eight of ten economists expect a 25 basis point hike

A lower oil price and a firmer rupee reduce the case for aggressive RBI tightening, which helps the Sensex and Nifty. Because the effect is modest so far, I rank it second, and it can reverse if crude jumps again.

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Factor 3: Bank Stocks and an Oversold Bounce

Bank stocks led the Sensex and Nifty after Q2 business updates. The Nifty Bank index rose 1.4% to 55,192.65 and PSU banks gained over 2%, with HDFC Bank up about 1.8% to Rs 734.20 after the RBI cleared Anup Bagchi as its next CEO.

The second part is technical. After eight weeks of losses that cut the Nifty by about 8.7% and the Sensex by about 8.4%, selling was exhausted. India VIX fell 6.6% to 13.50, a sign that fear eased, and Gift Nifty had pointed to a gain of about 149 points.

Which Sectors Led the Sensex and Nifty Rally?

Sector or stock	Move on 5 October	Note
Nifty PSU Bank	Up over 2%	Top sector, led by Bank of India, PNB and Indian Bank
Nifty Bank	Up as much as 1.4%	HDFC Bank was the most actively traded stock, with about 1.46 crore shares
Metals and oil and gas	Higher	Helped by easing crude
Nifty IT, pharma and healthcare	Lower	IT lagged after rising last week
Midcap 100 and Smallcap 100	Up over 0.8% each early	Outperformed the large caps
Bajaj Finance	Among top Sensex gainers	Financials led

Leadership from banks and metals, with IT and pharma lagging, is typical of a rate-relief rally and not of a defensive rotation. The Sensex and Nifty gained more because financials carry the heaviest weights.

Sensex Today and Nifty Today: What Later Quotes Show

Time or level	Sensex today	Nifty today
Close, 1 October	71,909.70	22,421.95
Open, 5 October	72,340.95	About 22,532
Intraday high cited in morning trade	72,540 to 72,554	22,602 to 22,612
Later index quotes	About 72,350 (up about 0.6%)	About 22,586 (up about 0.7%)
Distance from December 2025 peak	About 16% below 86,159	Not shown
Change over one month	About -5%	About -5.6%

The later quotes for the Sensex and Nifty sit below the morning highs, which fits reports that some bank stocks slipped into the red on profit booking. The Sensex is still down about 11.5% over a year, so the rebound repairs only a small part of the damage, and Sensex today and Nifty today remain well below their highs.

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Can the Sensex and Nifty Rally Last?

What must happen	Current status
Foreign selling slows	Not yet visible: over Rs 19,500 crore sold in two sessions
US yields keep easing	Helped by the weak jobs data
Crude stays below $100	Eased but still above $100
RBI avoids a hawkish surprise	A 25 basis point hike is expected on 7 October
Q2 earnings hold up	Season starts with TCS on 8 October

Only the first condition is not met. Until foreign investors stop selling, the Sensex and Nifty are more likely to chop than to trend.

Risks to the Sensex and Nifty Rebound

Foreign selling: A fresh round of FII selling would quickly erase gains in the Sensex and Nifty.

RBI guidance: Hawkish signals about further hikes could hit rate-sensitive sectors and the Sensex and Nifty.

Crude oil: A jump back toward $107 would revive inflation fears.

IT earnings: Soft guidance from TCS and Infosys could weigh on the Sensex and Nifty.

Bounce fatigue: One-day rallies in the Sensex and Nifty after long falls often fade without confirmation.

What Should Investors Watch After the Sensex and Nifty Rally?

1. RBI decision and guidance on 7 October.
2. FII and DII flow data each evening.
3. US 10-year yield and the dollar.
4. Brent crude and the rupee near 96.
5. TCS results on 8 October.

Conclusion

The Sensex and Nifty rallied on 5 October because weak US jobs data cut Fed hike odds, crude and the rupee steadied, and strong bank updates lifted heavyweight stocks. The rebound follows an eight-week fall and leaves the Sensex about 16% below its peak, so confirmation for the Sensex and Nifty needs slower foreign selling and a calm RBI decision on 7 October. Consult a SEBI-registered advisor before making any decision.

Frequently Asked Questions

Why is the stock market up today?

Ans. The Sensex and Nifty are up because weak US jobs data cut Fed hike odds, crude oil eased, the rupee opened stronger and bank stocks rose on strong Q2 business updates.

What did the US jobs report show?

Ans. US employers added 29,000 jobs in September against about 84,000 expected. Unemployment rose to 4.2% and wage growth slowed to 3.0%.

How did the jobs data affect Fed hike odds?

Ans. The chance of an October Fed hike fell from 23% to 13% after the report, according to CME FedWatch, as cited by Benzinga.

How high did the Sensex and Nifty go on 5 October?

Ans. The Sensex rose over 600 points to about 72,540 and the Nifty gained nearly 1% to about 22,602 in morning trade, so the Sensex and Nifty ended the morning near their highs.

Why did the Sensex and Nifty rise despite foreign selling?

Ans. The weak US data and easing oil offset it for a day, and domestic institutions bought more than Rs 10,000 crore on 30 September and 1 October.

Is the Sensex and Nifty rally sustainable?

Ans. It depends on slower foreign selling, steady crude and a calm RBI decision on 7 October. An eight-week fall does not end in one session.

When is the RBI policy decision?

Ans. The RBI MPC meets from 5 to 7 October 2026, and the decision is due on 7 October. Eight of ten economists expect a 25 basis point hike.

Should I buy stocks after the Sensex and Nifty rally?

Ans. This article does not constitute investment advice. A one-day rebound is not a confirmed trend, so consult a SEBI-registered financial advisor before investing.