The Japanese yen depreciated despite the Bank of Japan's rate increase to a 31-year high, a divergence that reveals market pricing of a near-term policy pause rather than sustained hawkishness.

The BoJ lifted its short-term policy rate to 1.25 percent from 1.0 percent, a move that matched market expectations. The USD/JPY pair rose to around 157.00 from approximately 156.25 immediately after the announcement, then extended losses to 159.84 per dollar—its weakest level since July—as subsequent data and policy signals undermined expectations for further tightening.

Two board members dissented on the rate decision, signaling internal disagreement on the pace of tightening. The dissents narrow the hawkish coalition within the central bank and suggest the board lacks consensus for aggressive additional hikes, reducing the probability of sustained yen strength from future policy moves.

Japan's August inflation data, released prior to the BoJ decision, came in soft across all measures. Headline CPI registered 1.9 percent year-on-year, flat compared to July and below the 2.0 percent forecast. Core CPI fell to 1.7 percent from 1.8 percent, missing the 1.8 percent expectation. The core-core measure also printed at 1.7 percent, well below the 2.0 percent consensus.

The below-forecast inflation data creates a data-dependent case for a pause in the tightening cycle. With headline CPI moving sideways and core measures declining, the BoJ now faces the argument that additional hikes risk moving policy into restrictive territory without sufficient inflation pressure to justify the move.

In Australia, Reserve Bank Governor Michele Bullock signaled an imminent rate increase despite the RBA's August hold at 4.35 percent. Bullock cited a tight labor market and the need for subdued demand growth as justifications. Markets now price a 93 percent probability of a fourth hike this year, to 4.6 percent, with rates expected to reach 4.85 percent by early 2027. The AUD/USD pair rose on the remarks.

Bullock cited upside inflation risks from Middle East oil prices, artificial intelligence investment flows, and extreme weather. Iran's strike on an oil tanker in the Strait of Hormuz on Thursday underscored geopolitical pressure on crude prices.

China's offshore yuan reached its strongest level in four years ahead of a planned Trump-Xi meeting.