Policy rate paths: RBA vs BOJ (Nov 2025 to May 2026)
RBA cash rateBOJ policy rate
The RBA has resumed hiking while the BOJ has held since January, leaving the gap between the two cash rates at its widest point of the current cycle. This divergence remains a fundamental driver for AUD/JPY carry trade dynamics.
The carry available to a long AUD, short JPY position has widened by 50 basis points in six months. This structural divergence creates one of the most significant yield-seeking opportunities in G10 currency pairs heading into mid-2026.
The immediate base case is fairly tame. AUD/JPY could drift higher as traders price the wider gap and the Australian dollar finds support from today’s hike. An upside acceleration could come from softer yen positioning and steady risk appetite.
However, tame does not mean safe. A rate check by Japan’s Ministry of Finance, often the warning shot before actual currency intervention, could trigger a sharp yen rally and force carry positions to unwind.
Short-term Watchlist
USD/JPY behaviour around 160
MoF intervention commentary
Australian petrol prices
Heading into 16 June: Double Decision Day
The headline event is 16 June, when the RBA and BOJ deliver decisions on the same day. While the most likely outcome is a “no surprise” hold from both, markets rarely wait politely.
An upside scenario for AUD/JPY would be a hot Australian inflation print on 27 May that supports a hawkish RBA posture. Conversely, any shift in BOJ language towards earlier normalisation could compress the spread quickly. Margin settings can also vary around major events, making the calendar a key influence on trade behaviour.
The Upside Trigger
A hot Australian inflation print on 27 May supports a hawkish RBA posture.
The Fade Risk
A shift in BOJ language towards earlier normalisation narrows the spread.
The August Outlook
By August, the picture may look different. If oil cools and Australian inflation softens, the 4.35 per cent rate may turn out to be the cycle peak. The base case from there is a slow narrowing of the gap as the BOJ inches higher.
The uglier path is a global growth scare that lifts the yen as a safe haven, forcing positions to unwind regardless of interest rate maths. This is the uncomfortable truth: the maths can look tidy, but the exits can get messy.
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Policy rate paths: RBA vs BOJ (Nov 2025 to May 2026)
RBA cash rateBOJ policy rate
The RBA has resumed hiking while the BOJ has held since January, leaving the gap between the two cash rates at its widest point of the current cycle. This divergence remains a fundamental driver for AUD/JPY carry trade dynamics.
The carry available to a long AUD, short JPY position has widened by 50 basis points in six months. This structural divergence creates one of the most significant yield-seeking opportunities in G10 currency pairs heading into mid-2026.
The immediate base case is fairly tame. AUD/JPY could drift higher as traders price the wider gap and the Australian dollar finds support from today’s hike. An upside acceleration could come from softer yen positioning and steady risk appetite.
However, tame does not mean safe. A rate check by Japan’s Ministry of Finance, often the warning shot before actual currency intervention, could trigger a sharp yen rally and force carry positions to unwind.
Short-term Watchlist
USD/JPY behaviour around 160
MoF intervention commentary
Australian petrol prices
Heading into 16 June: Double Decision Day
The headline event is 16 June, when the RBA and BOJ deliver decisions on the same day. While the most likely outcome is a “no surprise” hold from both, markets rarely wait politely.
An upside scenario for AUD/JPY would be a hot Australian inflation print on 27 May that supports a hawkish RBA posture. Conversely, any shift in BOJ language towards earlier normalisation could compress the spread quickly. Margin settings can also vary around major events, making the calendar a key influence on trade behaviour.
The Upside Trigger
A hot Australian inflation print on 27 May supports a hawkish RBA posture.
The Fade Risk
A shift in BOJ language towards earlier normalisation narrows the spread.
The August Outlook
By August, the picture may look different. If oil cools and Australian inflation softens, the 4.35 per cent rate may turn out to be the cycle peak. The base case from there is a slow narrowing of the gap as the BOJ inches higher.
The uglier path is a global growth scare that lifts the yen as a safe haven, forcing positions to unwind regardless of interest rate maths. This is the uncomfortable truth: the maths can look tidy, but the exits can get messy.
Whether the RBA gives more weight to inflation persistence or household demand risks in its decision statement.
Whether the Statement on Monetary Policy adjusts inflation, growth or labour market assumptions from the February update.
Whether April CPI confirms or challenges the inflation narrative after the May decision.
Whether labour conditions remain firm enough, with unemployment at 4.3% in March, to keep services inflation in focus.
Why Australia matters
Australia’s May data may influence AUD/USD, ASX 200 rate-sensitive sectors and short-end bond yields. A firmer inflation profile could support expectations for a restrictive RBA stance, while softer activity or household signals may limit how far markets price additional tightening. For index CFDs and forex CFDs, this is the highest-signal domestic event of the month.
Policy rate paths: RBA vs BOJ (Nov 2025 to May 2026)
RBA cash rateBOJ policy rate
The RBA has resumed hiking while the BOJ has held since January, leaving the gap between the two cash rates at its widest point of the current cycle. This divergence remains a fundamental driver for AUD/JPY carry trade dynamics.
The carry available to a long AUD, short JPY position has widened by 50 basis points in six months. This structural divergence creates one of the most significant yield-seeking opportunities in G10 currency pairs heading into mid-2026.
The immediate base case is fairly tame. AUD/JPY could drift higher as traders price the wider gap and the Australian dollar finds support from today’s hike. An upside acceleration could come from softer yen positioning and steady risk appetite.
However, tame does not mean safe. A rate check by Japan’s Ministry of Finance, often the warning shot before actual currency intervention, could trigger a sharp yen rally and force carry positions to unwind.
Short-term Watchlist
USD/JPY behaviour around 160
MoF intervention commentary
Australian petrol prices
Heading into 16 June: Double Decision Day
The headline event is 16 June, when the RBA and BOJ deliver decisions on the same day. While the most likely outcome is a “no surprise” hold from both, markets rarely wait politely.
An upside scenario for AUD/JPY would be a hot Australian inflation print on 27 May that supports a hawkish RBA posture. Conversely, any shift in BOJ language towards earlier normalisation could compress the spread quickly. Margin settings can also vary around major events, making the calendar a key influence on trade behaviour.
The Upside Trigger
A hot Australian inflation print on 27 May supports a hawkish RBA posture.
The Fade Risk
A shift in BOJ language towards earlier normalisation narrows the spread.
The August Outlook
By August, the picture may look different. If oil cools and Australian inflation softens, the 4.35 per cent rate may turn out to be the cycle peak. The base case from there is a slow narrowing of the gap as the BOJ inches higher.
The uglier path is a global growth scare that lifts the yen as a safe haven, forcing positions to unwind regardless of interest rate maths. This is the uncomfortable truth: the maths can look tidy, but the exits can get messy.