Japan's Yen Surges Against Dollar After Weak U.S. Jobs Data; Intervention Risk Looms

The Japanese yen experienced a sudden and significant surge against the U.S. dollar on Friday, driven by a surprisingly weak U.S. employment report. This sharp appreciation has traders on alert for potential currency market intervention, just days after Japanese and U.S. authorities jointly intervened to bolster the struggling yen.

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The scale of the undershoot on payrolls means it makes sense for the dollar to be falling, look at the short end of the U.S. yield curve, so the currency moves look like they are fundamentally driven.

The dollar dropped as much as 1.1 percent to 156.68 yen, pulling away from a 40-year high of 159.99 yen reached in July. While it was not immediately clear if Japanese authorities were directly involved in this latest move, analysts suggested the weak jobs data provided sufficient fundamental reason for dollar depreciation.

"The scale of the undershoot on payrolls means it makes sense for the dollar to be falling... so the currency moves look like they are fundamentally driven," said Lee Hardman, senior currency analyst at MUFG. He noted that the negative print on nonfarm payrolls was a significant downside surprise that would likely dampen expectations for Federal Reserve policy and lead to a broad-based dollar selloff.

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It's very rare you get these negative prints, so it's a big downside surprise that has definitely put a dampener on expectations for the Fed and we'd expect to see a significant reaction and a broad based dollar selloff.

The U.S. Labor Department reported that nonfarm payrolls decreased by 23,000 jobs last month, a stark contrast to economists' forecasts of an 80,000 increase. This followed a revised gain of 20,000 jobs in June. The unexpected decline underscores growing concerns about the health of the U.S. labor market and its potential impact on monetary policy.

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Washington and Tokyo had been 'closely communicating' and would not hesitate to intervene.