Ethereum on-chain traders are having their worst year on record in terms of trading performance. The overall median win rate across active DEX traders fell to 26.29% in the twelve months to August 2026, down 25.91 percentage points from 52.20% the year before — a 49.63% relative decline. Since 2020, when the median win rate stood at 80.65% , the figure has fallen by 54.36 percentage points , a 67.40% relative drop, the lowest point in our seven-year dataset.