New Zealand’s Reserve Bank signalled a ready‑to‑act stance on inflation Thursday, with Governor Anna Breman warning that any uptick in core price pressures will trigger rate hikes. The comment came as global oil markets reacted to renewed fighting in the Middle East, pushing local fuel costs higher.

Core inflation, which excludes volatile items such as food and energy, remains the RBNZ’s primary gauge for monetary policy. Breman’s remarks suggest the board will not tolerate a sustained rise, even if the broader CPI stays modest. Traders therefore priced in a higher probability of tightening in the next policy meeting.

The warning arrives amid a broader market shift, as investors reassess New Zealand’s yield curve after recent gains in the 10‑year government bond. A potential rate increase would lift borrowing costs for households and businesses, pressuring sectors reliant on credit such as construction and retail. Currency traders have already nudged the kiwi lower against the dollar.

By pledging to act decisively, the RBNZ signals that inflation‑driven policy shifts remain on the table, providing a clear cue for market participants. With fuel price volatility likely to persist, the central bank’s stance could anchor expectations and shape New Zealand’s short‑term economic trajectory in the coming months.