Ethereum vs Sei ETH vs SEI comparison
Market cap ratio: Ethereum / Sei = 664. Price change October 31, 2025 – September 30, 2026: Ethereum -36.17%, Sei -75.35%.
ETH and SEI price performance
Ethereum -36%Sei -75%
Both assets are rebased to 100 at their price on October 31, 2025; the lines show the percentage change since then. 12 common closing points.
| Metric | Ethereum | Sei |
|---|---|---|
| Price | ₺118,958.50$2,401.08 | ₺2.85$0.0574 |
| 24h | +0.20% | -0.11% |
| 7d | -1.96% | -8.06% |
| 30d | -11.69% | -5.06% |
| Market cap | $293.30B | $441.79M |
| Market cap rank | #2 | #93 |
| 24h volume | ₺33.19B$669.20M | ₺218.91M$4.41M |
| Volume / market cap | 0.23% | 1.00% |
| Circulating supply | 122,151,332 ETH | 7,699,722,222 SEI |
| Max supply | Unlimited | 10,000,000,000 SEI |
| All-time high | $5,017.44 | $1.15 |
| Distance from ATH | -52.15% | -95.01% |
| Launch date | July 30, 2015 | August 15, 2023 |
| Exchanges | 7 | 7 |
| TRY pairs | 5 | 5 |
| Categories | Layer1, Smart Contract, PoS, Coin, Altcoin, eth | Layer1, Smart Contract, Coin |
If their market caps were swapped
- Ethereum price at the market cap of Sei: $3.62 (-99.85% from today).
- Sei price at the market cap of Ethereum: $38.09 (+66,288.13% from today).
Calculated with today's circulating supply; a comparison of scale, not a forecast.
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All-time high and market cap are in US dollars. “24h” is based on live exchange prices; “7d” and “30d” are close-to-close changes of daily closing prices. Data is for information only and is not investment advice.