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Dollar slips against yen as intervention risks drag - Finance news and analysis from Global Banking & Finance Review
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Dollar slips against yen as intervention risks drag

Published by Global Banking & Finance Review

Posted on July 31, 2026

4 min read

· Last updated: July 31, 2026

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Dollar slips against yen as intervention risks drag

Market Reactions and Central Bank Actions

By Saqib Iqbal Ahmed

Dollar and Yen Movements

NEW YORK, July 31 (Reuters) - The dollar fell against the Japanese yen on Friday, with traders braced for a second round of intervention after Japanese authorities stepped in to prop up their currency a day earlier. 

The dollar slipped 0.8% to 158.225 yen, a day after sinking 2.4%.

Potential for Further Intervention

The U.S. Treasury has informed a number of banks that it may intervene in the yen market on Friday and that they should "stand ready for future action," a source familiar with the matter told Reuters. 

Japan was also receiving support from the U.S. that "goes beyond psychological support", Japan's top foreign exchange diplomat said on Friday. 

Market Sentiment and Analyst Insights

Eric Theoret, FX strategist at Scotiabank, said it was unclear if Friday's modest rise in the yen was a result of actual intervention, or traders reacting to the possibility of one in the near future.

"In thin liquidity, intervention can have a much greater impact. Even the mere kind of possibility that this could happen is definitely something that markets are going to respond to in a very sensitive way," Theoret said.

Strategists at Goldman Sachs said they see intervention as an effective tool for authorities to buy some time before fundamental factors turn more positive.

"It seems likely that authorities would intervene further in coming days if the yen begins to unwind (Thursday's) move, as was the case in May of this year," the strategists said in a note.

Bank of Japan Policy and Outlook

The Bank of Japan earlier in the day kept short-term interest rates steady at 1% in a widely expected move.  

The BOJ, which hiked rates to a 31-year high last month, said for the first time that underlying inflation could exceed its target, signaling further rate hikes from as soon as September.

BOJ Governor Kazuo Ueda said many of the board members' inflation forecasts are fairly high, and they see risks skewed to the upside. 

"We'd characterize that as a hawkish hold, in the sense that they're very much open to tightening rates, I think, at the next meeting in September," Scotiabank's Theoret said.

Japan's slow pace of rate hikes has been blamed for pushing the yen to 40-year lows below 163 per dollar recently. Most analysts polled by Reuters expect the BOJ to raise rates again to 1.25% by year-end. 

Trading Volumes and Regional Responses

Thursday's moves resulted in spot yen trading volumes surging to their highest in 10 years on the EBS trading platform and futures trading volumes hitting their highest on record, the CME Group said. 

In a rare coordinated move, South Korea also conducted dollar-selling intervention on Thursday to support its currency, a market source told Reuters. 

The won, which rose to a nine-month high on Thursday, was down about 1% at 1,439.66 against the dollar.

Wave of Interest-Rate Decisions

WAVE OF INTEREST-RATE DECISIONS

Federal Reserve and Dollar Performance

The BOJ meeting followed the U.S. Federal Reserve's decision on Wednesday to leave interest rates unchanged, which bruised the dollar as traders questioned whether the Fed's new chair is serious about containing inflation. 

That has added to the dollar's pain with the greenback down 1.6% for the week, on pace for its biggest weekly fall since late January, against a basket of peers. 

On Friday, it was down 0.26% at 99.807. 

European and Cryptocurrency Markets

In Europe, the euro inched up 0.1% to $1.1535. Sterling rose 0.2% against the dollar.

The Bank of England also kept its main lending rate steady in a widely expected decision on Thursday. 

In cryptocurrencies, bitcoin slipped 2% to $63,207.

(Reporting by Saqib iqbal Ahmed in New York; Additional reporting by Jiaxing Li in Hong Kong, Ankur Banerjee in Singapore and Shashwat Chauhan in Bengaluru; Editing by Yoruk Bahceli, Wil Dunham, Arun Koyyur and Jan Harvey)

Key Takeaways

  • Tokyo intervened in FX markets in New York, buying yen and selling dollars to support the currency after historic lows near ¥163 per USD earlier in July 2026 (investing.com)
  • The BOJ is expected to hold its policy rate at 1.00% (a three‑decade high reached in June) but may deliver a hawkish tone amid persistent inflation risks, with markets largely forecasting another rate hike to 1.25% by year‑end (apnews.com)
  • May‑June interventions totaled around ¥11.7 trillion, and Tokyo increasingly employs abrupt “ambush” tactics—responding quickly to speculative moves without prior signalling (japan.co.jp)

References

Frequently Asked Questions

Why did the Japanese yen weaken after a surge?
The yen weakened after an intervention-led surge as Tokyo bought yen and sold dollars, but renewed market pressure emerged ahead of the Bank of Japan's policy decision.
What action did Japan take in the currency markets?
Japan conducted a yen-buying, dollar-selling market intervention to pull the currency from a four-decade low.
What is expected from the Bank of Japan's next policy decision?
The Bank of Japan is widely expected to keep short-term interest rates steady at 1%, though a hawkish outlook is anticipated due to rising price pressures.
How have U.S. Federal Reserve actions impacted the yen?
The Federal Reserve's decision to leave interest rates unchanged put pressure on the dollar and contributed to a weaker yen.
What are analysts predicting for future BOJ rate hikes?
Most analysts expect the BOJ to raise rates again to 1.25% by the end of the year.

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