The final true altcoin season occurred in 2017, when most altcoins skyrocketed. According to analyst Michaël van de Poppe, related cycles didn’t repeat in 2021 or 2025.
The market is at present in a “Bitcoin Season,” with the Altcoin Season Index beneath 25, removed from the 75 wanted for an altcoin season.
Undervalued Altcoins to Watch for the Next Big Cycle
Michaël van de Poppe traced the final alt season again to 2017, when altcoins like Ethereum and Ripple noticed huge progress. However, he famous that 2021 solely noticed a surge of recent altcoins, whereas 2025 has been dominated by a “meme coin fiesta.”
“This cycle has proven to be completely different than previous cycles and it has proven to be super complex.” Michaël van de Poppe stated.

The Altcoin Season Index chart from Blockchain Center clearly reveals this development. The index has stayed beneath 50 all through most of 2024 and 2025, highlighting Bitcoin’s dominance. According to CoinMarketCap, Bitcoin’s dominance is at present at 63%, a lot increased than the 38% through the 2017-2018 alt season.

Van de Poppe additionally identified a break up in the investor neighborhood. One group expects the bear market to proceed, whereas one other anticipates a new bull cycle. He believes each teams might be flawed. Instead, he suggests the actual alternative lies in ignoring “timing” and specializing in the basic worth of altcoins.
“Essentially, the difficulty of this cycle has significantly increased and it’s almost foolish to be building your entire thesis on things that happened.” Michaël van de Poppe stated.
Macroeconomic components play a key function in shaping the altcoin season. Van de Poppe famous that falling rates of interest and a weaker U.S. greenback may drive altcoins to outperform Bitcoin, particularly as danger urge for food returns. Additionally, developments in the DeFi ecosystem and rising adoption of altcoins like Ethereum are optimistic indicators.
“When altseason is for me the period when I can scoop up altcoins that are extremely undervalued, but have strong teams that are resilient and continue to build. There are plenty out there and these are extremely, extremely undervalued.” Michaël van de Poppe stated.
Investors ought to keep cautious and deal with initiatives with robust groups and strong fundamentals, slightly than chasing short-term developments. Given the present market, a long-term funding technique and thorough evaluation might be key to capitalizing on the upcoming season.
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