Bollcoin, October 25: Crypto analyst Darkfost said the altcoin market has been broadly weak over the past three weeks, with Ethereum pulling back about 15% and its market cap shrinking roughly $54 billion. On the derivatives side, ETH open interest on Binance fell $1.3 billion over the past month, a drop of nearly 20%, to $5.7 billion, while network-wide ETH open interest declined to $11.5 billion.