Asian stocks poised for weekly gain as US rate hike bets fade

A single tenth of a percentage point in a monthly inflation reading just moved billions of dollars across Asian equity markets. July’s US Consumer Price Index came in at 0.1% month-on-month, exactly matching analyst forecasts, and that was enough to spark a broad rally from Tokyo to Seoul.

The year-on-year inflation rate dipped to 3.4% from June’s 3.5%. Not a dramatic swing by any measure, but in a market obsessively parsing every data point for clues about the Federal Reserve’s next move, even a small downward tick in inflation carries outsized weight.

The rally in numbers

The MSCI Asia-Pacific ex-Japan index climbed 0.97% on August 13, a respectable move for an index covering some of the world’s largest economies. But the real fireworks were in Seoul.

South Korea’s KOSPI surged 4.4%, a single-day jump that would be noteworthy even during earnings season. Japan’s Nikkei 225 added 1.86%, rounding out a strong day for the region’s two largest developed markets.

What’s driving the enthusiasm isn’t just the inflation print itself. It’s what the number implies about future Fed policy. The CME FedWatch tool, which tracks market-implied probabilities for rate decisions, showed the likelihood of a September rate hike dropping to around 40% from 54% the previous week. That’s a meaningful shift in expectations over a very short window.

Why a Fed pause matters for Asia

US 10-year Treasury yields sat at approximately 4.69% as of mid-August 2026. That’s still elevated by historical standards, but the trajectory matters more than the level. If yields stop climbing because the Fed pauses, Asian markets become relatively more attractive to global allocators looking for growth.

The August 13 rally wasn’t an isolated event, either. It followed a previous surge on July 3, when weak US jobs data first intensified market optimism about reduced rate hike probabilities.

The oil wildcard

Not everything in the macro picture is cooperating. Oil prices have been hovering between $80 and $88 per barrel, kept elevated by ongoing geopolitical tensions. That range isn’t catastrophic for the global economy, but it’s high enough to keep upward pressure on headline inflation numbers worldwide.

What comes next

The next major catalyst is the August CPI data, which will be released before the Federal Open Market Committee meets in September. That reading will carry enormous weight. If August inflation continues the downward trajectory seen in July, it could effectively seal the case for a Fed pause and extend the rally in Asian equities.

A 40% probability of a September hike means markets are still pricing in meaningful odds that rates go higher, even after the encouraging July data.

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