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The Doom Loop Explained: When Oil, Rupee, and FPIs Move Together

Table of Contents

doom loop sounds like a metaphor. It’s actually a real economic mechanism, and India is sitting in one right now. Don’t panic. Understand it.

How the three feed each other

Three things move together. Oil rises. Rupee falls. FPIs sell. Each one feeds the others. Here’s how.

When this gets dangerous vs noisy

Oil rises first. India imports 85% of its crude. Higher oil means more dollars leave the country to pay for imports. The current account deficit widens. The rupee weakens against the dollar because demand for dollars goes up.

What RBI can and can’t do

The weaker rupee makes imported inflation worse. Not just oil, but everything India imports. Electronics, machinery, edible oils, gold. Headline inflation rises. RBI is now stuck. They can’t cut rates to support growth without making the rupee weaker. They can’t hike rates aggressively without crushing equity and bond markets.

FPIs notice. They sell Indian equity because the currency is weakening, which reduces their dollar returns. Their selling adds to dollar demand. The rupee weakens further. The cycle compounds.

This is the doom loop. It’s real. We’re in it.

But here’s what’s different about this loop versus past ones.

RBI has $698 billion in reserves. Real firepower. They can stabilize the rupee for an extended period without breaking anything. Even with $67 billion already spent in FY26, the buffer is substantial.

DIIs are buying everything FPIs sell. The domestic counterforce that didn’t exist a decade ago is now the largest buyer of Indian equity. SIP flows alone exceed FPI selling on most days.

India’s external debt picture is dramatically better than 2013. External debt coverage is 95%. Reserves cover it. That removes the tail risk of a sudden stop in capital flows.

What does the loop actually mean for you?

It means volatility, not crisis. The rupee may go to 100. Equity may correct further. Inflation may tick up. None of that is a balance of payments emergency. It’s a cyclical adjustment. The 1991 comparisons are wrong.

It means quality matters more right now. In a doom loop, the businesses that survive best are the ones with pricing power, low import dependence, and durable balance sheets. That’s exactly what our research process filters for.

Past loops: did they break the market?

It also means this won’t last. Loops break. Either oil cools, or the Fed eases, or the rupee finds a base. When that happens, the unwind tends to be sharp. The investors who stayed invested during the loop benefit. The ones who fled don’t.

The portfolio response that works

The doom loop is the discomfort you have to sit through if you want the recovery. The two come together. They always have.

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