Japan’s Free Money Era Is Over. Your Portfolio Will Feel It!

Japan has kept interest rates near zero for over two decades. That experiment is now over. And the ripple effects are heading our way.

In today's story, we talk about why Japan's 10-year bond yield just hit its highest level this century, what it means for global markets, and why every Indian investor needs to pay attention.

Quick disclaimer before we begin. Stocks or sectors mentioned here are only for context and not investment advice. Please do your own research or consult a registered financial advisor before investing.

Now onto today's story.

The Story

Picture this. You run a business. You can borrow money at almost zero percent. You take that loan, invest it somewhere that pays 6 or 7 percent, and pocket the difference. Year after year. For two decades.

That, in simple terms, is what global hedge funds, pension managers, and institutional investors have been doing with the Japanese yen.

Japan kept its interest rates near zero since the late 1990s, and went fully negative in 2016. Borrow yen cheaply, convert it to dollars or rupees, park it in higher-yielding assets, and collect returns. It was one of the oldest tricks in the global finance playbook. The trade was so popular it even got a nickname: the yen carry trade.

Now the math is changing. Fast.

So what exactly is happening?

Japan's 10-year government bond yield has surged to around 2.39%, touching its highest level this century. The chart looks almost vertical on the right side. From near-zero yields just a few years ago to levels not seen since before the 2008 financial crisis.

The reasons are stacking up. Japan imports nearly 96% of its crude oil from the Middle East, with the UAE and Saudi Arabia alone accounting for over 83%. When the Strait of Hormuz faced disruption this year and Brent crude spiked above $113 a barrel, Japan felt it more sharply than almost any other major economy. Gasoline prices hit record highs. Inflation, which Japan had been trying to generate for years, finally arrived. But it arrived with a vengeance.

The Bank of Japan responded. It raised its short-term policy rate to 0.75%, the highest in three decades. Markets now assign a 71% probability of another hike at the April meeting. Governor Kazuo Ueda has been clear: if inflation continues tracking toward the 2% target, more increases will follow.

For bond markets, this is seismic. Japan's 10-year yield has risen 84% over the past year alone.

But why should you, sitting in India, care?

Because the yen carry trade is not a Japan story. It is a global story. And India sits squarely in the middle of it.

Here is the chain of events that matters. For years, global funds borrowed yen at near-zero cost and deployed that money into higher-yielding markets including Indian equities. As long as Japanese rates stayed low and the yen stayed weak, the trade was essentially free money.

Now borrowing costs in Japan are rising. The yen is strengthening. The trade that once looked like a guaranteed profit is becoming less attractive by the month. Funds that still have open positions face mounting pressure. Many are already unwinding, which means selling the assets they originally bought with that borrowed yen. Stocks in emerging markets. Bonds in higher-yielding countries. Risk assets across the board.

This is not a theoretical risk. India already experienced record foreign portfolio investor outflows of over Rs 1.66 lakh crore in calendar year 2025, the worst annual performance in the history of Indian capital markets. While there are multiple reasons behind that number, the yen carry trade unwind is one structural force that did not get enough attention in Indian financial media.

So what happens when the carry trade unwinds?

It works like a chain reaction. When Japanese borrowing costs rise or the yen strengthens, funds start exiting their positions. They sell risk assets and buy back yen to repay loans. The selling pushes down prices across markets. The yen strengthens further as demand for it rises. More funds get squeezed and are forced to exit. A feedback loop builds.

Automated trading systems make it worse. Pre-programmed stop-losses trigger mass sell orders as prices move. What starts as gradual repositioning can accelerate into something that looks like a mini-crash in a matter of hours.

India does not get hit because of any domestic problem. India gets hit because it is a recipient of global risk capital, and when that capital needs to go home fast, it goes home fast regardless of whether your GDP is growing or your corporate earnings are healthy.

Here is the part most people are missing.

The scale of the yen carry trade is enormous. BCA Research estimates the outstanding value of yen forwards held by global hedge funds reached 35 trillion yen. When you include FX swaps and currency swaps, the total figure runs into thousands of trillions of yen. That is not a typo. The trade is that big. And once the yen begins appreciating meaningfully, the move tends to be outsized because so many players are trying to exit the same door at the same time.

We got a preview of this in early 2026 when the yen surged from 160 to 152 against the dollar in a matter of weeks, triggering stop-loss orders and a wave of asset selling globally.

Does this mean India is heading for a crash? Not necessarily. History gives some comfort here. Even during the massive FII outflow cycle of mid-2021 to mid-2022, when foreigners pulled out $34 billion over 12 months, the Nifty still managed to rise 2.6%, supported by strong domestic SIP flows and fundamentals. The message there was clear: your SIP running every month is the single most reliable counterweight to this kind of global volatility.

But the counterweight only works if you stay invested.

What should you watch?

The direction of the yen is the number to follow. If USD/JPY moves toward 150 or below, expect pressure on global risk assets including Indian equities. If the Bank of Japan signals an accelerated hiking path at its April meeting, markets will need to reprice again. And if global volatility spikes at the same time, the unwinding could be sharper than anyone expects.

The deeper irony in all of this is worth sitting with. Japan kept rates near zero for so long trying to generate inflation that it forgot what inflation actually feels like. Now that inflation has arrived, the cure is sending shockwaves through the same global system that Japan's cheap money helped build.

The era of free Japanese money funded a lot of bull markets. The cost of unwinding it is being shared by markets that never borrowed a single yen.

Until then...

If this helped you connect a global dot to your portfolio, share it with someone who is wondering why markets feel edgy right now.

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This article is for educational purposes only. Not investment advice.

Happy Investing 😎

Nataraj Malavade Investor, Trader, Author & Mentor www.natarajmalavade.in

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