"Ethereum is clearly taking the spotlight this quarter," said a prominent trader tracking the ETH/BTC ratio. The third quarter of 2026 is unfolding as the most optimistic stretch since the crypto rally of Q3 2025. The overall crypto market cap has climbed more than 6% so far this quarter, setting up for the first profitable quarterly close in nearly a year. Yet Bitcoin dominance remains stubbornly below the 60% mark, raising questions about the durability of this rally given Bitcoin’s typical weakness in late summer months.
Meanwhile, Ethereum has been stealing the show. The ETH/BTC pair jumped over 10% in July alone, marking its strongest quarterly advance since the explosive 56% surge in the same period back in 2025. Ethereum’s 18.55% gain in July outpaced Bitcoin’s returns by more than double, signaling a rotation of capital from Bitcoin into Ethereum. But this isn’t just a routine shift. Ethereum’s market share has grown beyond transient flows, with ETH dominance rising over 11% in July. This suggests investors are placing larger bets on Ethereum’s longer-term strength rather than short-term speculation.
Looking back at 2025, Ethereum’s Q3 performance was historic. It surged 66.55% across the quarter, driven by a massive 48% jump in July and a solid 18% climb in August, while Bitcoin barely managed a 6.31% return during the same stretch. The ETH/BTC ratio’s 56% gain indicated that the majority of Ethereum’s rise came from capital rotating out of Bitcoin, supported by Ethereum’s own market momentum. Today, similar patterns are emerging again. Ethereum’s exchange supply ratio has fallen to a multi-year low of 0.127, reflecting reduced liquid supply, while institutional interest continues to rise. These factors combined could fuel another strong run for ETH, echoing its remarkable 2025 breakout.
Bitcoin’s failure to reclaim dominance above 60% adds to the uncertainty. Historically, BTC’s performance in August and September tends to dip, potentially capping the broader market rally. Yet Ethereum’s growing market share and institutional demand could position it as the leader of this cycle’s next leg. The market is watching closely to see if Ethereum can sustain this momentum and replicate its past dominance. Investors might want to keep an eye on these shifts for clues about where capital flows next.
This content is for informational purposes only and does not constitute financial advice.
