Bitcoin and Ethereum saw a major performance decoupling in August, a key signal for the market Bitcoin (BTC) closed the month with a 6.5% loss, which analysts attribute to a pullback in ETF flows Ethereum (ETH) showed independent strength, rallying to a new all-time high and closing August with an 18% gain Bitcoin and Ethereum had contrasting fortunes in August, reflecting distinctive behavioral patterns at different times. Market analysts scrutinizing the behavior of both cryptocurrencies link the contrast in behavior to macro uncertainty. Bitcoin ended August in the red, despite hitting a new all-time high earlier in the month. That’s a sharp contrast with Ethereum, which gained 15%, well above its 12-month average, as it plays catch-up with Bitcoin. pic.twitter.com/RdGHOXYODN — ecoinometrics (@ecoinometrics) September 1, 2025 Bitcoin’s Loss Vs Ethereum’s Gain While Ethereum (ETH) posted a strong 18% gain for the month, Bitcoin (BTC) dropped 6.5%. This sharp divergence is a clear signal that the market structure is changing, with analysts pointing to a pullback in ETF flows as the key reason for Bitcoin’s weakness. How did Bitcoin and Ethere… The post Bitcoin & Ethereum Decouple: BTC Ends August Down 6.5%, ETH Up 18% appeared first on Coin Edition .