PANews reported on October 20th that according to CoinDesk, investment bank Jefferies stated in a report released Sunday that Bitcoin mining profitability declined by over 7% in September, as the Bitcoin price fell 2% while the network's hash rate jumped approximately 9%. This exacerbates the pressure on miners' profitability in the fourth quarter of 2025. That month, North American listed mining companies produced 3,401 Bitcoins, down from 3,576 in August, and their share of the global network fell from 26% to 25%. MARA Holdings produced the most, with 736, up from 705 in August; CleanSpark followed closely with 629, down from 657 in August. The price drop also reduced revenue. A mining cluster with a theoretical hash rate of 1 exahash (EH/s) earned approximately $52,000 per day in September, down from $56,000 in August and nearly $43,000 a year ago. The price drop and rising network difficulty continue to squeeze profit margins in the mining industry.