"This was the first time the 2-year dipped below the 10-year since 2007 – and in the past has indicated a looming US recession," said FX/rates analyst Sandeep Parekh.
"While some take comfort in the fact that this time around the signal from the curve may be distorted by global quantitative easing, the self-fulfilling nature of economic cycles is a worry," he said.
Today, markets will be watching for a speech by Reserve Bank of Australian deputy governor Guy Debelle on "Risks to the Outlook" at the annual Risk Australia conference in Sydney.
Australian labour market data will also be watched for any clues on whether recent rate cuts by the RBA are having an impact.
The New Zealand dollar was trading at 95.33 Australian cents from 95.05, at 53.35 British pence from 53.56, at 57.76 euro cents from 57.79, at 68.19 yen from 68.81 and at 4.5175 Chinese yuan from 4.5310.