Earlier today, the domestic currency fell in tandem with the Australian dollar after China's yuan fell on a South China Morning Post report that the negotiations aren't going well and that the Chinese delegation refuses to talk about forced technology transfers, a core US grievance in the negotiations.
It also repeated suggestions circulating yesterday that the two days of talks, scheduled for Thursday and Friday, will be cut short.
But Bloomberg then reported that the US is considering a currency pact with China as part of a deal including the suspension of planned tariff hikes. It may also allow US companies to deal with Huawei, news that saw the Chinese yuan rally and drag the NZ and Australian dollars up with it.
The kiwi was trading at 4.4914 Chinese yuan from 4.5865.
"Taking a step back, the moves have happened within a relatively narrow range, but they have been very quick, almost instantaneous," says Peter Cavanaugh, the senior advisor at Bancorp Treasury Services.
That's a measure of how nervous the market is about the outcome of the talks.
"Everyone from central bankers down to bank economists are pointing to the global risks headed by the China-US trade talks," Cavanaugh says.
Even the Federal Reserve, in the minutes released early today from its September meeting when it last cut interest rates, has the talks top-of-mind.
"They just said trade tensions – Jerome Powell is too polite to play President Trump's blame game."
President Donald Trump has been lambasting Powell, the Fed governor, criticising him most of this year in multiple tweets for not cutting rates more severely.
The New Zealand dollar was trading at 93.55 Australian cents from 93.50, 67.85 yen from 67.64, at 51.62 British pence from 51.51 and at 57.45 euro cents from 57.32.
The two-year swap rate edged up to a bid price of 0.8412 per cent from 0.8229 yesterday while the 10-year swaps rose to 1.1300 per cent from 1.1125.