The lowest intraday price for Bitcoin (BTC) in a day in May 2021 was $30,681.50, on May 19, 2021. It was down 13.8% for the day.

The lowest intraday price for Bitcoin (BTC) in a day in May 2021 was $30,681.50, on May 19, 2021. It was down 13.8% for the day.
Daily pricing data for Bitcoin dates back to 7/14/2010, and may be incomplete.