Why the rupee is falling: a 10-year data study as the RBI curbs dollar demand

By Shamyak

Published

Bar chart of yearly average rupees per US dollar: 67.20 in 2016, 87.16 in 2025 and 93.92 for January-September 2026

The rupee hit a record 96.96 per dollar in May and traded at 94.96 on 13 October. Ten years of data point to dear oil, foreign selling and a record trade gap, and we track what the RBI and government have done.

Original report

Data as of 13 October 2026, 16:30 IST. This article is for information only and is not investment advice. Readers should consult a registered adviser before investing.

The rupee is falling because oil above US$100 a barrel, heavy foreign selling of Indian shares and a record trade gap have pushed up demand for dollars faster than India earns them. On 13 October 2026 it traded at 94.96 per US dollar in early deals, Deccan Chronicle reported, after a record low of 96.96 in May (Press Trust of India, 2026b; Business Today, 2026b).

This is a research paper, not a market report. We built a 10-year dataset, 2016 to 2026, from the World Bank, the US Federal Reserve and the US Energy Information Administration. We then set it against what the Reserve Bank of India (RBI) and the government have done this year, and used it to answer the 10 questions readers search most.

Abstract: three numbers explain the 2026 slide

The study comes down to three figures, each from a named source.

Our main finding is that the rupee's worst years share a pattern: a wide current account deficit, foreign money leaving and expensive oil. 2026 has all three at once. The next section shows the pattern year by year.

The 10-year record: the rupee weakened in eight of the last nine years

Over the decade, it took 29.7% more rupees to buy a dollar on average in 2025 (87.16) than in 2016 (67.20), according to the Federal Reserve's H.10 series (Board of Governors of the Federal Reserve System, 2026). The fall was uneven. It came in jolts, not a steady drift.

All years below are calendar years. The average is the mean of the year's exchange rates; year-end is the last reading of the year.

USD/INR, annual average (rupees per US dollar, calendar year)

USD/INR, year-end (rupees per US dollar, calendar year)

On our arithmetic from the year-end figures, the rupee weakened in every year from 2018 to 2025. Its two worst years were 2022 (11.2% weaker) and 2018 (9.0% weaker). Only 2017 went the other way, when it strengthened by 6.0%.

Inside 2026, the Federal Reserve's monthly averages show the slide clearly: 90.90 in January, 93.48 in April, 95.53 in May and 95.51 in September (Board of Governors of the Federal Reserve System, 2026). Those two bad years, 2018 and 2022, are the key to the rest of this paper. The forces behind them come from both outside and inside India.

External factors: oil, foreign selling and a narrowing rate gap

The outside world explains most of the rupee's worst years. Three forces stand out in the data: crude prices, foreign portfolio money and US interest rates.

Brent crude, annual average (US$ per barrel, calendar year)

Oil matters because India pays for crude in dollars. Brent averaged US$98.99 in 2022, the highest of the decade, in the rupee's worst year (U.S. Energy Information Administration, 2026). In 2026 the shock was sharper. Outlook Money reported that the US-Israel-Iran conflict from late February sent Brent up 40% by 1 April (Outlook Money, 2026). Brent was US$109.97 on 18 May and US$105.47 on 13 October (Press Trust of India, 2026a; Press Trust of India, 2026b).

Net portfolio equity inflow (US$bn, World Bank balance-of-payments data, calendar year)

Foreign money left in both bad years: US$4.4bn net in 2018 and US$16.6bn in 2022 (World Bank, 2026). The 2025 outflow of US$18.5bn was the largest of the decade. In 2026, Angel One reported NSDL data showing foreign investors sold Rs 2.85 lakh crore of Indian shares up to 11 June (Angel One, 2026). They were net sellers every month except February, with March the worst at Rs 1.18 lakh crore. The selling had not stopped by October: foreign institutions sold Rs 1,708.48 crore of shares on 12 October, Deccan Chronicle reported (Press Trust of India, 2026b).

US interest rates are the third force. Drishti IAS listed a narrowing India-US interest rate gap among the reasons the RBI raised rates in October (Drishti IAS, 2026). A smaller gap makes rupee assets less rewarding for foreign investors than before. The fact pack has no US rate figures, so we cannot measure the gap itself.

Trade with the rest of the world is the last external pressure, and it is also India's biggest internal weakness.

Internal factors: a trade gap three times its 2016 size

India's own balance sheet has made the rupee more exposed. The merchandise trade deficit has more than tripled in a decade, while inflation and the current account have swung less.

Merchandise trade deficit (US$bn, World Bank imports minus exports, calendar year)

Current account balance (% of GDP, calendar year; minus is a deficit)

The two worst rupee years had the same current account deficit, 2.43% of GDP, the widest in the series (World Bank, 2026). The one surplus year, 2020, had large foreign inflows of US$24.9bn and the rupee weakened by only 2.3% on our arithmetic. A trade deficit means India buys more goods abroad than it sells, so it needs more dollars than its exporters earn.

In 2025 the trade deficit hit a record US$308.2bn, yet the current account deficit was only 0.51% of GDP. Other earnings, such as services, covered much of the goods gap. That year the rupee still lost 5.0%, as foreign equity money left. In April 2026 alone, the trade deficit was US$28.4bn, Deccan Chronicle reported (Press Trust of India, 2026a). Figures for September 2026 conflict across sources, so we have left them out.

Growth is the one internal number moving the right way. The RBI raised its growth forecast for 2026-27 from 6.7% to 7.1%, Drishti IAS reported (Drishti IAS, 2026). Strong growth can also raise imports, which keeps dollar demand high. That leaves the question of how the authorities have responded.

What the RBI and the government are doing now

The RBI has moved on three fronts in 2026: selling dollars, raising rates and restricting speculation. The government has raised the cost of gold imports.

Dated measures, from the sources we read:

The five curbs from 12 October are:

The RBI is also trying to pull dollars in. MarketScreener reported that an FCNR(B) swap window is open until 16 October 2026 for deposits raised by 30 September, with a one-year lock-in. An external commercial borrowing facility is open until 15 January 2027, and leverage is allowed on NRI deposits (MarketScreener, 2026).

The rupee rose once the curbs took effect, and Deccan Chronicle credited the RBI's measures. It gained 93 paise on 12 October, its steepest one-day rise in more than six months, and another 82 paise early on 13 October, Deccan Chronicle reported (Press Trust of India, 2026b). It had closed at 96.73 on 10 October (Business Today, 2026b). Amit Pabari of CR Forex Advisors told the paper: "With RBI's measures supporting rupee, we expect USD/INR towards 95.00–94.80."

Raising rates to defend a currency has a second purpose. It also fights inflation, and the rupee and inflation are linked.

The rupee-inflation link is real, but oil decides its size

A weaker rupee raises the price of everything India imports, from fuel to electronics. Ponmudi R of Enrich Money put it in May: "A weak rupee silently acts like inflation" (Press Trust of India, 2026a).

CPI inflation (% a year, World Bank, calendar year)

The decade's data shows the link is not automatic. Inflation peaked at 6.70% in 2022, when the rupee fell 11.2% and Brent averaged US$98.99. In 2025 the rupee fell 5.0%, but inflation was 2.40%, the lowest of the decade, while Brent averaged only US$68.32 (World Bank, 2026; U.S. Energy Information Administration, 2026). A weak rupee hurts most when oil is dear at the same time.

That is the 2026 picture. CPI inflation rose to 5.54% in September from 4.83% in August, Deccan Chronicle reported (Press Trust of India, 2026b). Wholesale inflation was 8.3% year on year, the paper reported on 18 May (Press Trust of India, 2026a). The RBI raised its 2026-27 CPI forecast by 20 basis points to 5.2%, citing broad price pressures, a monsoon deficit and crude above US$100 (Drishti IAS, 2026).

Those price pressures land on household and company budgets.

What it means for households and businesses

For households, the costs arrive through fuel, gold and imported goods. For businesses, they arrive through import bills, dollar debts and tighter hedging rules.

Exporters earn more rupees for each dollar of sales, but the sources we read do not measure that gain. Before drawing firm conclusions, it is worth being clear what the data cannot show.

Limitations of the data

This study has gaps, and they shape what it can and cannot prove.

With those limits in mind, the evidence still points one way.

Conclusions: the 2026 slide is mostly imported, and its defence is costly

The rupee's fall in 2026 is best explained by forces from outside India that hit an economy already running a record trade gap.

What happens next: the FCNR(B) swap window closes on 16 October 2026, and the external commercial borrowing facility runs until 15 January 2027 (MarketScreener, 2026). In the near term, CR Forex Advisors expects 95.00 to 94.80 (Press Trust of India, 2026b).

Questions people are asking

Why is the rupee falling against the dollar?

Oil above US$100 a barrel, foreign selling of Rs 2.85 lakh crore of Indian shares up to 11 June 2026, and a narrower India-US interest rate gap (Drishti IAS, 2026; Angel One, 2026). A record trade deficit of US$308.2bn in 2025 adds to dollar demand (World Bank, 2026).

How low has the rupee fallen?

It hit a record low of 96.96 per dollar in May 2026, Business Today reported. It traded at 94.96 on 13 October (Business Today, 2026b; Press Trust of India, 2026b).

What is the RBI doing to stop the fall?

From 12 October 2026 it supplies dollars directly to IOC, BPCL and HPCL, requires a 20% cash reserve on contracts above US$2m, and has cut the exchange-traded derivative limit to US$5m (Business Today, 2026b). It has also sold dollars from reserves.

Did the RBI raise interest rates?

Yes. In October 2026 it raised the repo rate by 25 basis points to 5.50%, its first rise since February 2023 (Drishti IAS, 2026).

Will the rupee hit 100 per dollar?

Nobody can say. Equiti Group's Ahmed Azzam said on 1 April it was no longer a tail risk, but the rupee peaked at 96.96 in May (Outlook Money, 2026; Business Today, 2026b). CR Forex Advisors expects 95.00 to 94.80 in the near term.

More questions people are asking

How much have forex reserves fallen?

From a record US$785.71bn on 4 September 2026 to US$734.6bn on 2 October, a fall of about US$51bn over four weeks (Trading Economics, 2026).

How does a weak rupee affect inflation?

It raises the cost of imported fuel and goods. CPI inflation rose to 5.54% in September 2026 from 4.83% in August (Press Trust of India, 2026b).

Why did gold imports get costlier?

The government raised the effective import duty on gold from 6% to 15% on 13 May 2026, which the World Gold Council estimated could cut demand by 50 to 60 tonnes (Business Today, 2026a).

How does the trade deficit connect to the rupee?

India's merchandise trade deficit grew from US$97.1bn in 2016 to US$308.2bn in 2025, so the country needs more dollars than its exporters earn (World Bank, 2026).

What can NRIs do to help the rupee?

NRIs can use FCNR(B) deposits backed by RBI swap support; the window is open to 16 October 2026 for deposits raised by 30 September, with a one-year lock-in (MarketScreener, 2026).

More on this story

References

How we did this

We built the 10-year dataset ourselves from primary statistical series, then checked each 2026 claim against news reports read on 13 October 2026.

This article is for information only and is not investment advice. Readers should consult a registered adviser before investing.

This story was produced, reviewed, edited and verified by the reporter before publication, with AI assistance where required.

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