An Ethereum token reflecting on a dark, glowing surface. Source: TechGaged / Shutterstock. Ethereum’s Q3 rally is one of the strongest in the asset’s history. Coinglass data puts ETH’s Q3 gain at 60.62% through September 13.  That’s the second-best Q3 on record. Only 2025 was stronger, when Ethereum closed Q3 up 66.55%.