Yen remains under pressure, nears 24-year low

The dollar index, which measures the currency against the yen, euro and four other major peers, was flat at 104.70, consolidating below the 105.79 high from Wednesday, a level not seen since late 2002. The greenback rose 0.21 percent to 135.25 yen, heading back toward Wednesday's peak of 135.60, the highest level since October 1998.

Also read: Yen Tumbles From Two-Week High, Dollar Bounces 

The BOJ on Friday bucked a wave of tightening that included the Fed, Bank of England and even a shock half-point hike from the Swiss National Bank, while also resisting attacks from bond market speculators testing the monetary authority's commitment to its 25 basis point tolerance band around the zero percent target for the 10-year Japanese government bond yield.

Fed Chair Jerome Powell testifies before the Senate and the House on Wednesday and Thursday.

"The market was gearing up for a BOJ capitulation (but) got exactly the opposite," sending the yen tumbling, National Australia Bank senior foreign-exchange strategist Rodrigo Catril wrote in a client note.

In contrast the Fed's message of continued aggressive inflation fighting "could not be clearer," and the dollar has "regained its mojo" as a result, he said.

Also read: Dollar At 20-Year High As Risky Assets Sell Off, Yen Recovers Ground

The euro ticked up 0.03 percent to $1.04, despite French President Macron losing control of the National Assembly in legislative elections on Sunday, a major setback that could throw the country into political paralysis.

Sterling slipped 0.09 percent to $1.22. The dollar lost 0.11 percent to 0.96 Swiss franc. The Australian dollar was 0.03 percent lower at $0.69.

Leading cryptocurrency bitcoin slid 3.81 percent to $19,769.52, heading back toward last week's low of $17,592.78, a level not seen since late 2020.