Altseason Indicators: Glassnode’s Perspective

In a recent analysis by Glassnode, the Altcoin Cycle Signal model highlighted a potential approach to what is known as an “altseason” — a market phase characterized by increased demand for altcoins. According to their data, there’s been a noticeable decrease in seller pressure within the altcoin sector, coinciding with Bitcoin’s slump.
The term “altseason” refers to periods when alternative cryptocurrencies (all except Bitcoin) gain traction and show significant price movements. The Altcoin Cycle Signal model gauges market sentiment by tracking price fluctuations of the top 250 altcoins, weighted by capitalization. The closer the indicator approaches 100, the more likely an altseason is imminent.

Current Market Trends and Observations

Glassnode’s chart reveals that from mid-April 2026, the trend has shifted toward favoring altcoins. At the time of their report publication, it stood at 86—a strong indication of an impending altseason. This shift aligns with Bitcoin’s ongoing downtrend since mid-April. Notably, despite declining seller activity in the altcoin space, most selling pressure continues to burden Bitcoin.
However, some community members urge caution when interpreting these charts. A reversal in index does not necessarily equate to tangible demand for altcoins. Instead, it might indicate that Bitcoin is simply experiencing faster declines than its counterparts—thereby mechanically triggering an “altseason” label without actual growth in altcoin demand.

Cautionary Insights from Industry Experts

Adding weight to this skepticism are observations regarding Bitcoin’s dominance which has remained steady between 58% and 59% since June 2026. Additionally, BlockchainCenter data suggests it’s premature to declare an ongoing or upcoming full-fledged altseason.
Interestingly, CryptoQuant experts previously noted record-high seller pressure in the altcoin sector due to dominant net sales over a span of fifteen months—contradicting claims of reduced seller activity reported by Glassnode.
The dynamics between Bitcoin and other cryptocurrencies continue to shape market narratives and investor strategies worldwide. While indicators like those from Glassnode provide valuable insights into potential trends such as approaching an ‘altseason’, prudent analysis remains essential amidst fluctuating crypto landscapes.