$BTC$102,586.74
rose, and gross margins expanded, the bank said.
The hashprice, a measure of daily mining profitability, rose 13% from April, which the bank said was "encouraging."
"We estimate miners earned ~$50,100 in daily block reward revenue per EH/s over the first two weeks of the month, up 13% from last month and 3% y/y," analysts Reginald Smith and Charles Pearce wrote.
U.S.-listed miners maintained their share of the network hashrate, and currently account for about 30.5% of the network, a 1.1% increase from April, the bank said.
The total market cap of the 13 U.S.-listed bitcoin mining stocks that the bank tracks rose 24%, or $4.6 billion, this month.
Bitdeer (BTDR) outperformed with a 43% gain, while Greenidge (GREE) underperformed the sector with a 5% decline, the report said.
Read more: Bitcoin Miners With HPC Exposure Underperformed $BTC for Third Straight Month: JPMorgan