Hedge funds are increasing bets that the Australian dollar will outperform the New Zealand dollar heading into year-end. Prospects for higher Australian interest rates are bolstering the currency, while New Zealand's election clouds the nation's monetary policy outlook. Options trading on the AUD/NZD currency pair surged to the highest level this year, with call volume benefiting from a stronger Aussie outnumbering puts three to one.

This activity followed hotter-than-expected Australian inflation data that revived wagers for further tightening and sent the Aussie to its biggest gain against the kiwi since March 11. The Reserve Bank of Australia's policy path remains a key driver, with markets pricing in continued resilience despite global uncertainty. Meanwhile, New Zealand's upcoming vote introduces significant risk to the kiwi's outlook, creating a divergence in performance between the two neighboring currencies.