Bitcoin jumped more than 5% on Friday to fresh record highs of $41,530, reversing losses from earlier in the session.
The world’s most popular digital currency slid to as low as $36,618.36 on Bitstamp exchange before bouncing back.
Rival cryptocurrency ethereum rose 3% after sinking more than 10%.
Increased demand from institutional, corporate, and more recently retail investors has powered bitcoin’s surge, attracted by the prospect of quick gains in a world of ultra-low yields and negative interest rates.
Bitcoin has rallied nearly 1,000% since a low in March. It topped $30,000 for the first time on Jan. 2, after surpassing $20,000 on Dec. 16.
Some market participants had warned of a correction after the $40,000 milestone was reached, but bitcoin was poised to register it’s 11th session of gains out of the last 12.
Bank of America investment strategists on Friday said “violent” inflationary price action in markets helped bitcoin’s rally in the last two months.
But it warned that the cryptocurrency “blows-the-doors-off prior bubbles”, such as the dotcom bubble in the late 1990s, China in the 2000s and gold in the 1970s.