The New Zealand dollar shed more than half a US cent on weaker-than-expected consumer price index (CPI) data yesterday.
The kiwi fell about 60 basis points to US83.46c but recovered to US83.54c by 5pm. That compared with US84.10c at 8am and US83.93c at 5pm on Thursday.
The trigger was news that the CPI fell 0.2 per cent in the December quarter when the market consensus was for a 0.1 per cent rise.
"Financial markets seemed to react to the fact that annual inflation was outside the Reserve Bank of New Zealand's 1 to 3 per cent target range for a second quarter," Westpac economists said.
The two-year swap rate fell three basis points to 2.79 per cent.