According to a new analysis from on-chain data firm Cryptoquant, Bitcoin and Ethereum are recovering on fundamentally different supply-demand structures in 2026, and this divergence has become a key signal for whether a broader altcoin rally will follow.
Bitcoin crossed $81,000 on Tuesday, but Ethereum failed to match the same conviction. Cryptoquant's main conclusion is that Bitcoin and Ethereum are operating in different demand regimes; until the latter shows the kind of sustained spot buying that has attracted BTC, Bitcoin dominance is likely to maintain its position.
Key Finding: BTC vs ETH Supply-Demand Divergence
Bitcoin's April recovery was driven primarily by spot demand, with real buyers accumulating BTC rather than taking leveraged positions in the futures market. U.S. spot Bitcoin ETFs recorded $532 million in net inflows on May 4 alone, marking the third consecutive day of positive flows. For the entire month of April, total net inflows into spot BTC ETFs reached $2.44 billion, the strongest monthly institutional buying figure in nearly eight months.
Ethereum's case is different. U.S. spot Ethereum ETFs logged $61.29 million in net inflows on May 4 — a positive data point — but neither the scale nor the consistency of ETH's institutional flows matched Bitcoin's trajectory. Cryptoquant analysts found that Bitcoin and Ethereum have deviated significantly in their supply-demand structures over the course of April 2026.
Why Spot Demand Beats Leveraged Demand
The distinction between spot demand and leveraged demand is important for price stability in ways that are easy to underestimate. When buyers accumulate Bitcoin through spot ETFs or direct purchases, they remove supply from exchanges — a structural tailwind that supports price even during periods of low trading volume. In contrast, when demand comes primarily through futures and perpetual contracts, it creates short-term price pressure without reducing the underlying supply available for sale. Leveraged positions unwind quickly when conditions change, as the market was reminded on Tuesday when a trader's 700 BTC short position was liquidated with a $1.94 million loss as BTC pushed through $81,000.
Roadmap for Monitoring Altcoin Season
For anyone tracking whether 2026 will deliver a broad market expansion, Cryptoquant's roadmap is specific: monitor U.S. spot Ethereum ETF flow data, watch exchange supply levels for ETH, and track whether Ethereum's discount to its own all-time high starts closing faster than Bitcoin's discount. Only when all three indicators show sustained improvement would Ethereum be poised to replicate Bitcoin's spot-driven rally, potentially triggering a broader altcoin season.