$BTC and $ETH crypto winter is coming, experts say. At 3:42 PM this Thursday (17), Bitcoin was trading up 1.8% compared to the last 24 hours, priced at $85,374. For the week, the cryptocurrency has accumulated a gain of 7.7%, but is down 8.50% for the year. Ethereum (ETH), the second largest cryptocurrency, is up 3.31% since yesterday, but has fallen more than 50% in 2025.