The US dollar recouped early losses and finished with small gains Friday after a late-day drop in oil prices helped offset concerns over a weaker-than-expected US consumer confidence survey.
The euro fetched US$1.2291 at 99pm GMT, nearly unchanged from US$1.2295 late Thursday in New York.
The dollar edged up to ¥110.17 against ¥110.05 on Thursday.
The late rebound coincided with a retreat in crude oil prices from near record levels, easing some pressure on the US unit.
Thin summer trading conditions and some significant orders from Japan banks to buy dollars limited the downside for the greenback, traders said.
Financial markets had mixed reaction to Federal Reserve Chairman Greenspan's warnings about asset imbalances. Rising home values have provided most Americans with much of their asset growth in recent years.
The Fed chief's comments offered little to contradict market bets for at least two more hikes to the Fed's 3.5 percent lending target for this year. From there, financial markets are less certain.
Higher interest rates would make the dollar more attractive to foreign investors, although some gain in interest rates has been long priced into dollar trading, analysts say.
Sentiment was affected by the University of Michigan US consumer confidence survey, which slipped sharply to 89.1 late this month from 96.5 last month and 92.7 earlier this month.
The reading was well below analysts' forecasts for a slight dip to 92.6 and marks the first decline in sentiment since May.
The dollar fell on the news, with the euro rising to nine-day highs against the greenback.
But comments from Greenspan later in the day suggesting firmly that US interest rate hikes were set to continue pared euro gains.
Drew Matus at Lehman Brothers described Greenspan's speech as "somewhat hawkish" and said his comments pointed to the Federal Reserve continuing to hike interest rates, with no sign of a pause in the tightening cycle just yet.
Major currencies continue to trade within a fairly tight range, however, with most traders still away from their desks for the summer holidays and ahead of a public holiday in Britain on Monday.
Next week could see some more action, particularly with the release of the latest key US employment report on Friday.
In late New York trade, the dollar stood at 1.2581 Swiss francs from SF1.2565 on Thursday.
The pound was being traded at US$1.8000 after US$1.8031 late on Thursday.
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