Sensex jumps 1,200 points on Iran deal, oil falls

Market snaps two-day losing streak

Indian equity benchmarks rallied sharply, snapping a two-day losing streak as risk sentiment improved in tandem with a cooling in crude oil prices. In one of the sessions described, the Sensex gained about 1,200 points while the Nifty rose 1.5% after US President Donald Trump announced a finalized peace deal with Iran and the reopening of the Strait of Hormuz shipping route. In another update from the same set of moves, the Sensex was described as soaring over 1,100 points, with the Nifty moving closer to the 24,000 mark. The rebound was led by private sector banks and renewed buying interest in select IT names. Analysts linked the move to India’s likely insulation from a tech-led global sell-off, alongside a sustained drift in oil prices.

Geopolitics: Strait of Hormuz back in focus

The biggest trigger cited for the rally was a potential peace agreement between the United States and Iran. The reopening of the crucial Strait of Hormuz shipping route was highlighted as a key confidence booster, given the route’s importance for global oil shipments. The easing of geopolitical tensions supported a risk-on move across markets and helped drive a sharp correction in crude. Investor sentiment also improved after the Iran peace deal developments and the reported reopening of the strait. These developments mattered for India because oil prices directly influence inflation, the current account balance, and corporate input costs.

Volatility before the rebound: overnight escalation

The article also noted that tensions between Iran and the US had re-escalated overnight at one point, erasing earlier expectations of a swift peace deal conclusion. It said the US military launched airstrikes and Iran retaliated after the crash of an Army helicopter near the Strait of Hormuz, which President Trump blamed on Iran. Even against that backdrop, oil prices cooled, suggesting the market’s focus had shifted to the probability of supply disruptions easing. The push and pull between escalation headlines and peace-deal progress kept traders focused on energy prices and shipping continuity.

Crude oil cools: a direct tailwind for India

A steep fall in crude oil was repeatedly cited as a central factor behind the rally. Brent crude futures were reported falling below $12 per barrel at one stage, while WTI crude declined to $18 per barrel. Separately, crude was also described as dipping by $1 to below $100 on expectations that the US and Iran were close to a deal. Later, Brent crude futures were reported crashing nearly 6% to around $18 per barrel, while WTI crude futures fell nearly 6% to $11 per barrel on Monday afternoon.

Kranthi Bathini, Director, Equity Strategy at WealthMills Securities, said lower crude oil prices are a big positive for Indian markets. The logic is straightforward: lower energy prices can ease pressure on inflation and improve the macro backdrop, which markets often treat as supportive for risk assets.

What moved the indices: banks, autos, and select IT

The pullback was led by private sector banks, alongside renewed buying interest in select IT stocks. Private banking majors ICICI Bank and HDFC Bank were identified as the top contributors to the Sensex rally. Strong buying in heavyweight stocks was also cited as a driver of the gains, with banking and auto stocks specifically mentioned among the leaders. The broader narrative pointed to broad-based buying across sectors in early trade, supported by cooling crude, a stronger rupee, and hopes of easing US-Iran tensions.

Rupee moves and the role of flows

Currency strength was mentioned as another sentiment support. In one session, the Indian rupee rose 35 paise to close at 95.25 against the US dollar compared with the previous close of 95.69. In early trade on Monday in another reported move, the rupee strengthened by 22 paise to 89.45 against the US dollar, buoyed by renewed foreign fund inflows and what market participants described as firm RBI intervention.

On flows, foreign institutional investors (FIIs) were reported to have turned net buyers in the cash market for three consecutive sessions. A specific data point was provided for Friday, December 19: FIIs bought shares worth about Rs 1,831 crore, while domestic institutional investors bought Rs 5,723 crore.

RBI’s NRI deposit scheme: why banks are watching it

Analysts also pointed to the Reserve Bank of India’s new NRI deposit scheme as a potential support for the banking system. The scheme was described as capable of attracting long-term foreign currency inflows, improving liquidity, and easing margin pressure. While the article did not quantify expected inflows, it framed the scheme as a constructive development for banks at a time when deposit competition and funding costs can influence profitability and credit growth.

Key data points at a glance

Market impact

The immediate market impact was a sharp rebound in benchmark indices, supported by heavyweight buying. Falling crude oil prices were presented as a clear positive input, with the potential to ease inflationary pressure and improve investor comfort around India’s macro trajectory. Banking stocks, particularly ICICI Bank and HDFC Bank, provided substantial index support, and autos also benefited from the broader risk-on tone. A stronger rupee and the return of FII buying added to the perception that the rebound had institutional backing.

Why this rally mattered: a grounded read-through

The episode underscored how quickly Indian markets can re-price risk when geopolitical headlines shift from escalation to de-escalation, especially when the Strait of Hormuz is involved. It also highlighted the market’s sensitivity to crude oil, with multiple crude reference points cited alongside the equity rebound. The mention of India being “likely insulated from tech-led global sell-off” suggested that domestic participants were differentiating India from a global tech drawdown, at least in the near term, while still using oil as a key macro barometer. Finally, the RBI’s NRI deposit scheme added a policy angle that could influence banking liquidity and margins, providing another strand of support to financials.

Conclusion

Indian benchmarks rallied strongly as peace-deal optimism around the US and Iran and the reopening of the Strait of Hormuz helped push crude prices lower, lifting heavyweight banks and improving risk appetite. With FIIs turning net buyers for multiple sessions and the rupee strengthening in the reported moves, the market’s focus is likely to remain on oil-price direction, geopolitical updates, and how policy steps like the RBI’s NRI deposit scheme feed into banking liquidity and margins.