With oil swinging like this, the rupee will remain vulnerable
In the ancient calculus of empires and energy, a single act of violence on open water can ripple across continents and into the wallets of ordinary people thousands of miles away. Iranian boats striking fuel tankers in the Persian Gulf have sent Brent crude surging past $98 a barrel, and the Indian rupee — tethered as it is to the cost of imported oil — is absorbing the blow, edging toward 92.22 per dollar as traders brace for another unsettled session. The Reserve Bank of India moves quietly in the background, selling dollars to slow the fall, but the deeper forces at work — war, geography, and the world's dependence on a narrow shipping lane — are not so easily managed.
- Iranian explosive-laden boats struck two fuel oil tankers in the Persian Gulf, igniting a 7.3% surge in Brent crude to $98.60 a barrel and instantly erasing the market relief that had followed the IEA's record 400-million-barrel reserve release.
- Oil prices have whipsawed between $81 and $120 a barrel within days, each lurch driven by fresh headlines from a conflict that shows no sign of resolution, leaving traders unable to find stable footing.
- India, which imports the vast majority of its crude, faces a direct and painful transmission: rising oil prices widen the current account deficit and drain rupee value, with the currency now expected to open at its weakest level in recent sessions.
- The Reserve Bank of India is intervening in forex markets — selling dollars to cushion the rupee's descent — but its strategy is one of managed retreat, not reversal, as the underlying geopolitical pressure remains unbroken.
- ING Bank analysts warn that disruptions to oil flows through the Strait of Hormuz are likely to persist, meaning the rupee's vulnerability is structural for as long as the Gulf remains a theater of conflict.
The Indian rupee was heading into Thursday under fresh strain, with traders expecting it to open between 92.18 and 92.22 against the dollar — a step down from Wednesday's close of 92.04 that captured, in a few decimal points, the anxiety coursing through global energy markets.
The proximate cause was a reported Iranian attack on two fuel oil tankers in the Persian Gulf. Iraqi security officials described explosive-laden boats striking the vessels, and the reaction in oil markets was immediate: Brent crude jumped 7.3% to $98.60 a barrel. The timing was particularly jarring because markets had just begun to exhale — the International Energy Agency had announced a record release of 400 million barrels to help cool prices. That relief lasted hours. The tanker strike revived fears about the Strait of Hormuz, the narrow chokepoint through which a significant share of the world's oil flows, and the fragility of any calm in a region entangled in the broader U.S.-Israeli conflict with Iran.
The week's volatility has been striking in its range. Oil has swung between roughly $81 and $120 a barrel, each move shadowing the latest signal from the war — a hopeful word from President Trump about de-escalation, then a fresh act of aggression at sea. Analysts at ING Bank offered little comfort, warning that disruptions to Gulf oil flows are likely to continue.
For India, the arithmetic is unforgiving. As a heavy oil importer, rising crude prices mean a larger import bill, a wider current account deficit, and a weaker rupee. A trader at a private bank described the situation simply: as long as oil swings this wildly, the currency will remain exposed.
The Reserve Bank of India has been intervening — selling dollars in the foreign exchange market to moderate the rupee's slide. But the central bank's goal appears to be order, not reversal. With geopolitical risk embedded in the Gulf's shipping lanes, the rupee's pressure is unlikely to lift until the conflict itself finds some resolution.
The Indian rupee was bracing for a weaker opening on Thursday morning as crude oil prices climbed again, the latest swing in a volatile week that has left the currency under sustained pressure. Traders were watching for the rupee to open somewhere between 92.18 and 92.22 against the U.S. dollar, a slide from Wednesday's close of 92.04—a small but meaningful deterioration that reflected the broader instability rippling through global energy markets.
The immediate trigger was a reported attack on two fuel oil tankers in the Persian Gulf. Iraqi security officials said Iranian explosive-laden boats had struck the vessels, an incident that sent Brent crude surging 7.3% to $98.60 a barrel. The attack arrived just as markets were beginning to digest some relief: the International Energy Agency had announced it would release a record 400 million barrels of oil to help cool prices. That relief evaporated quickly. The tanker strike revived fears of supply disruptions that had been simmering beneath the surface all week—fears rooted in the broader U.S.-Israeli conflict with Iran and the fragility of shipping lanes through the Strait of Hormuz.
The volatility has been extraordinary. Oil prices have swung between roughly $81 and $120 a barrel in just days, each movement tied to shifting headlines about the war. Earlier in the week, markets had taken heart when President Donald Trump signaled a possible de-escalation, and traders began pricing in the likelihood of strategic reserve releases that might cap the rally. But geopolitical calm in the Middle East has proven fleeting. With no clear signs of tensions easing, analysts at ING Bank warned that disruptions to oil flows through the Strait of Hormuz are likely to persist, keeping energy markets on edge.
For India, an oil importer that depends heavily on stable energy prices, this turbulence translates directly into currency pressure. A trader at a private bank put it plainly: with oil swinging this wildly, the rupee will remain vulnerable. The connection is straightforward—when oil prices rise, India's import bill climbs, its current account deficit widens, and the rupee weakens as more of the currency is needed to pay for the same barrel of crude.
The Reserve Bank of India has not been passive. Traders reported that the central bank has been actively intervening in the foreign exchange market in recent sessions, selling dollars to try to manage the pace of the rupee's decline. The strategy appears calibrated not to stop the depreciation altogether—that would be unrealistic given the underlying pressure—but to keep it orderly, preventing sharp shocks that could unsettle markets further. Still, as long as oil prices remain volatile and geopolitical risks persist in the Persian Gulf, the rupee's vulnerability is unlikely to fade.
Notable Quotes
With oil swinging like this, the rupee will remain vulnerable— Currency trader at a private bank
The RBI is expected to step in to keep the pace of the rupee's decline orderly, not necessarily to stop the move altogether— Currency trader at a private bank
The Hearth Conversation Another angle on the story
Why does an attack on tankers in the Persian Gulf matter so much to the Indian rupee?
Because India imports most of its oil. When prices spike, it costs more rupees to buy the same amount of crude. The currency weakens because demand for dollars rises—you need more rupees to convert into dollars to pay for oil.
But the IEA released 400 million barrels. Shouldn't that have calmed things down?
It should have, and for a moment it did. But the tanker attack reminded traders that supply disruptions are a real risk, not just a theoretical one. The relief was fragile.
How much has the rupee actually fallen?
From 92.04 on Wednesday to an expected 92.18 to 92.22 on Thursday—not huge in absolute terms, but it signals the direction. The real question is whether it keeps sliding.
Can the Reserve Bank stop it?
Not entirely. They're intervening to smooth the decline, selling dollars to ease pressure. But they can't fight the underlying economics. As long as oil stays elevated, the rupee stays weak.
What happens if oil prices keep swinging between $81 and $120?
The rupee stays in limbo. Traders can't plan. Businesses that import or export face constant uncertainty. The central bank has to keep managing, but it's exhausting and ultimately limited.