The Asian currency was volatile again as investors weighed the news that officials from South Korea and the US met last week to discuss the dollar/won exchange rate.
That spurred speculation that Washington wanted a weaker dollar to be part of trade talks with Asian countries, although a report from Bloomberg played it down.
Still, concerns over the US administration’s dollar policy is likely to keep investors wary and underpin Asian currencies in the near term.
The won was 0.8% higher at 1,396.22 per dollar after a 0.6% rise in the previous session.
The won was the worst performer among emerging Asian currencies last year, dropping 14% against the dollar but is up nearly 6% this year.
The sudden lurch in the won was reminiscent of an unprecedented two-day surge in Taiwan’s currency at the start of May, which also coincided with the end of US-Taiwan trade talks in Washington.
“Reports of currency discussions between the US and South Korea, coupled with signs the Trump administration may tolerate a weaker dollar, have fuelled won sentiment,” said Kieran Williams, head of Asia FX at InTouch Capital Markets.
“Broader uncertainty around the domestic outlook and trade tensions could temper the won’s upside near term,” Williams said.
While the dollar has clawed back some of its recent losses against the euro, pound and the yen that were driven by concerns over President Donald Trump’s economic policies, it has slipped against most of the emerging market currencies.
The Mexican peso was last at 19.38 per dollar, hovering near the seven-month high it scaled in the previous session.
The Japanese yen strengthened 0.3% to 146.32 per dollar but remained close to the one-month low of 148.65 touched earlier this week.
The dollar index, which measures the US unit against six other currencies, was 0.11% lower at 100.89, but on course for the fourth straight week of gains.
Today, investors’ focus will be on retail sales data while they look for more details on possible trade deals after the easing of tensions between the US and China.
The two countries on Monday announced a 90-day pause on most of the tariffs imposed on each other’s goods since early April, leading to a brief relief rally.
“We consider there is more upside to the dollar in the near term as market participants reassess the outlook for the US and global economies following the temporary US‑China trade deal,” said Kristina Clifton, an economist at the Commonwealth Bank of Australia.
“The USD index could lift by another 2%‑3% in the next few weeks. We expect the euro, pound and yen to bear the brunt of the dollar’s recovery.”
US Treasury yields were elevated and the benchmark 10-year yield rose to a one-month top, in part due to worries over Trump’s budget package that would add trillions of dollars to the US debt.
Down Under, the Australian dollar swung higher again after a surprisingly strong reading on employment added to the case against rapid-fire rate cuts in coming months, though an easing is still widely expected next week.
The Aussie was 0.22% higher at US$0.64425, while the New Zealand dollar rose 0.17% at US$0.5908.