A prediction market launched by crypto prediction platform Polymarket has begun pricing in notable scenarios for 2026.
According to data on the platform, the probability that Ethereum will lose its second place in market capitalization by 2026 has increased to 50%.

Polymarket chart showing probabilities $ETH It has been overtaken by other cryptocurrencies in terms of market capitalization.
If Ethereum is not among the top two cryptocurrencies by market capitalization any time between January 1, 2026 and December 31, 2026, the market will exit on a “yes”. Otherwise, the market exits on a 'no'. CoinGecko will be used as the data source for the final evaluation.
According to current market data, Bitcoin remains in first place with a market capitalization of approximately $1.47 trillion, while Ethereum is in second place with a market capitalization of approximately $256.9 billion. On the stablecoin side, Tether (USDT) ranks third with a market capitalization of approximately $185 billion. This figure suggests that although Ethereum's position looks strong in the short term, competition could increase heading into 2026.
The market capitalization of the largest stablecoins, including Tether, is steadily increasing, and the demand for stablecoins is growing around the world. possibility of $ETH Becoming the third-largest cryptocurrency may not be due to the rise of another altcoin, but rather due to the increase in market capitalization experienced by Tether, the largest stablecoin.
Closest non-stablecoin altcoin $ETH BNB has a market capitalization of $99 billion.
*This is not investment advice.

