The AUD/JPY maintains gains near 107.00 due to strong Australian inflation data, which strengthens expectations for an RBA rate hike. These factors, coupled with the negative sentiment toward the Japanese Yen, support the cross.
The cross climbs from near 106.00, a one-week low, attracting buyers for the second day. Although spot prices see modest intraday gains following Australia’s inflation data, they remain subdued.
Australian CPI Data
The Australian Bureau of Statistics reported a Consumer Price Index (CPI) increase to 3.6% year-on-year in December, up from 3.4%. The Trimmed Mean CPI reached 3.3%, compared to November’s 3.2%. These figures boost expectations for an RBA rate hike and the Australian Dollar.
The Japanese Yen weakens due to concerns over Japan’s fiscal health and political uncertainty ahead of a February 8 snap election. The Bank of Japan’s notes indicate confidence in a moderate wage–price cycle but hint at maintaining accommodative policy, limiting JPY losses.
The Trimmed Mean CPI, a key Australian inflation measure, rose year-on-year by 3.4% in the latest release, exceeding expectations. This data, watched closely by the RBA, could lead to interest rate hikes, affecting the Australian Dollar’s valuation.
RBA and BOJ Policy Implications
The strong Australian inflation numbers are a clear signal for us. With the Trimmed Mean CPI hitting 3.4%, well above expectations, the Reserve Bank of Australia is now under immense pressure to consider another rate hike at its February 4th meeting. We saw how the RBA reacted to similar surprises back in the 2023-2024 tightening cycle, and this historical precedent supports a stronger Australian dollar in the short term.
To capitalize on this, we should consider structured bullish positions like bull call spreads on the AUD/JPY. Australia’s unemployment rate, which held at a historically low 3.9% through the end of 2025, gives the RBA the confidence it needs to prioritize fighting inflation. This defined-risk strategy allows us to profit from a potential upward drift while limiting our exposure to the risks coming out of Japan.
However, the situation in Japan creates significant two-way risk ahead of the February 8 snap election and amid a more hawkish Bank of Japan. We must remember how Japanese authorities intervened to support the yen when it weakened past key levels in 2024, a scenario that could easily repeat. Buying relatively cheap out-of-the-money puts on AUD/JPY offers a prudent hedge against a sudden policy shift or intervention that could strengthen the yen.
Given these powerful opposing forces, a sharp increase in volatility is highly likely over the next two weeks. One-month implied volatility on AUD/JPY options has already risen to 12.5%, reflecting the market’s nervousness about the competing central bank and political events. A long straddle strategy, which profits from a large price move in either direction, could be an effective way to trade this upcoming period of uncertainty.
