The Bank of Japan (BOJ) is widely anticipated to maintain its interest rates at the upcoming January 23 meeting, signaling a cautious approach amid economic uncertainties. Analysts warn of a potentially hawkish stance from the central bank, particularly as the Japanese yen weakens and local inflation remains sticky. BOJ officials are expected to keep the policy rate at 0.75%, following a recent 25 basis point hike in December.

While the BOJ's stance is likely to remain unchanged until at least March, the central bank's rhetoric on wage growth will be closely scrutinized. Frances Cheung, Head of FX and Rates Strategy at OCBC, suggests that firmer rhetoric on wage hikes could lead to earlier policy action, potentially as soon as March. This comes as Prime Minister Sanae Takaichi's fiscal policies are expected to be more expansionary, which could further weaken the yen.

The Japanese yen has already shown weakness against the dollar, reaching its highest level in 2-½ years. Investors are also watching for the BOJ's reaction to Japanese inflation data, which is expected to show a cooling in December. ING analysts predict that despite this, core inflation will remain above 2%, which could prompt the BOJ to consider future rate hikes in the second half of 2026.

Market participants are also eyeing how the Nikkei 225 and banking stocks might react to any hawkish talk from the BOJ, with export-oriented stocks potentially seeing weakness if the yen appreciates.