Ethereum has held the #2 spot in crypto for nearly a decade. Prediction markets are now pricing a 61% chance that changes before 2027.
That number sat at 17% at the start of the year. It is now at 61%, according to Polymarket, which is a massive swing that reflects just how quickly sentiment around $ETH has shifted in 2026.
At the start of 2026, most people weren’t even entertaining the question. Now the market is pricing it as the more likely outcome. Why the shift, and what is likely to take its place?
The Gap Is Smaller Than It Looks
$ETH is trading at $2,049 with a market cap of $247.35B. Tether sits at $184.07B. That looks like a comfortable cushion until you do the math – $ETH only needs to fall to approximately $1,525, a 25% decline from today, before $USDT flips it.
And $ETH has already come close. In February, it dropped to $1,746 during the broader crypto selloff amid the US-Israel-Iran war tensions, its lowest level since April 2025.
US spot Ethereum ETFs have shed 65% of their assets under management since October 2025, falling from $31.86B to approximately $11.76B, according to Glassnode. $ETH broke below $2,000 again on Friday. It is down 30% over the last 60 days and remains 57% below its August 2025 all-time high. The trend is difficult to ignore.
Part of the problem is structural. $ETH is the primary collateral and leverage asset in crypto – when markets turn risk-off, it gets sold first and hardest.
On-chain data shows tens of thousands of $ETH were sold in recent months to repay Aave loans, creating a feedback loop where falling prices forced more selling to avoid liquidation.
Institutions, meanwhile, have largely defaulted to Bitcoin over $ETH when deploying fresh capital – a dynamic Anthony Scaramucci noted, pointing to Bitcoin as the institutional default for new allocations.
Who Is Actually Closing In
Tether is the most immediate threat. Its market cap has grown from $73B in 2021 to $184B today -entirely independent of price action, expanding precisely when risk appetite dries up and traders move to safety.
On March 24, Tether hired KPMG for its first-ever full independent audit, a move that strengthens its institutional credibility at exactly the right moment.
Beyond $USDT, three other assets are building their own cases. BNB sits at $84.06B with its Maxwell upgrade improving scalability. XRP at $82.52B is seeing ETF inflows, institutional adoption, and a potential CLARITY Act catalyst.
Solana at $48.08B just surpassed Ethereum in transaction volume and beat it on RWA holders for the first time in March. Its Alpenglow upgrade, targeting 150ms block finality, would make it the fastest major L1 in crypto by a significant margin.
Still Ethereum’s Race to Lose
None of the challengers are at the door yet, except Tether.
The $63B gap between $USDT and $ETH sounds large. But it is the smallest it has been in years, it is narrowing in the exact macro environment that favors stablecoins, and Polymarket’s 61% says the market knows it.
