The average cost basis of ETH deposited on Binance is a key support zone in Ethereum's current market structure.Maintaining above $2,500 range keeps various user categories in profit and reduces potential sell pressure.A break below $2,500 could lead to downward volatility as exchange-linked ETH holdings move into unrealized losses.Monitoring Binance's ETH reserves and realized price levels is crucial to gauge ETH stability in the market.