By Tetsushi Kajimoto

TOKYO (Reuters) -Japan wouldn’t rule out any measures to rein in weak point within the yen, finance minister Shunichi Suzuki mentioned within the newest warning towards speculators because the nation navigates a fragile interval after final week’s historic shift away from years of straightforward coverage.

Echoing considerations from Japan’s prime foreign money diplomat the day prior to this, Suzuki mentioned on Tuesday {that a} weak yen has constructive and unfavorable results on the financial system however extra volatility raises uncertainty for enterprise operations.

This in flip may harm the financial system, the minister mentioned, reinforcing Tokyo’s give attention to the speed of market strikes, fairly than on particular foreign money ranges.

“Fast foreign money strikes are undesirable,” Suzuki instructed reporters after a cupboard assembly. “It is vital for currencies to maneuver stably, reflecting financial fundamentals.”

The yen’s sell-off picked up tempo within the wake of final week’s landmark resolution by the Financial institution of Japan to finish eight years of unfavorable rates of interest, ushering in a brand new period of tighter financial coverage in a nation the place low-cost cash had been the norm for many years.

The primary price hike in Japan since 2017, nevertheless, was effectively telegraphed to markets, triggering a slide within the yen in a traditional ‘sell-the-fact’ commerce. Crucially, yen bears have been emboldened by market expectations that the BOJ will increase charges solely marginally in coming months, which means Japanese-U.S. price differentials will stay stark for some time longer.

A weak yen boosts Japanese exporters’ earnings, but it surely additionally raises the prices of imports and squeezes households’ wealth. Policymakers are significantly delicate to elements threatening consumption as that might undo years of making an attempt to create a virtuous cycle of demand-led worth and financial progress.

The greenback was off barely towards the yen in Tuesday afternoon commerce, fetching 151.26 and dealing with nice resistance close to the 152 degree because of the risk of intervention from Japanese authorities. The dollar is up about 7% on the yen because the begin of the 12 months.

“It would not shock me if authorities intervene within the foreign money market if it breaks previous 152 yen,” mentioned Makoto Noji, chief market strategist at SMBC Nikko Securities in Japan.

Suzuki declined to touch upon the potential for Tokyo intervening to stem the yen weak point, however advised the velocity of the foreign money’s fluctuations will probably be a consider any resolution to enter the market.

“If I reply the query about foreign money intervention, it may have unintended results in the marketplace,” Suzuki mentioned, including “if there’s extreme strikes, we are going to reply appropriately with out ruling out any measures.”

Japan final intervened within the foreign money market in September and October 2022 to stem the yen’s declines, initially when the greenback hit round 145 to the yen, and later in October when the U.S. foreign money surged to a 32-year excessive close to 152 ranges.

“Behind the yen weakening lies not solely speculators but in addition retail buyers who’ve urge for food for overseas inventory markets,” SMBC Nikko Securities’ Noji mentioned.

“The federal government should be cautious to not disturb such funding flows an excessive amount of. That mentioned, authorities might don’t have any selection however to arrest the greenback’s ascent in the direction of 160 yen.”