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Arbitrum vs Optimism
A live, side-by-side comparison of Arbitrum (ARB) and Optimism (OP) on price, market cap and momentum. Not financial advice.
| Metric | ARB | OP |
|---|---|---|
| Price | $0.2042 | $0.1325 |
| 24h change | +2.72% | +2.24% |
| 7d change | -9.97% | -9.43% |
| Market cap | $918.90M | $198.75M |
| 24h volume | $12.72M | $8.69M |
| Category | Altcoins | Altcoins |
By market capitalisation, Arbitrum is currently the larger asset ($918.90M). Market cap reflects size, not quality or future performance — read each coin’s full page for the story and the context. This comparison is informational and not financial advice.
Arbitrum vs Optimism: key differences
- Arbitrum has the bigger market cap ($918.90M) — about 4.6× larger than Optimism ($198.75M).
- Arbitrum is trading more actively right now (24h volume $12.72M vs $8.69M), which usually means tighter spreads and easier entry and exit.
- Over the last 24 hours, Arbitrum moved +2.72% and Optimism moved +2.24% — short-term momentum, not a trend.
- Both sit in the same category (Altcoins), so they compete for similar use cases and investor attention.
Frequently asked questions
Is Arbitrum bigger than Optimism?
By market capitalisation, Arbitrum is currently the larger of the two: $918.90M versus $198.75M. Market cap measures size, not quality or future returns.
Which has more trading volume, Arbitrum or Optimism?
Arbitrum has the higher 24-hour volume ($12.72M vs $8.69M), so it is generally easier to buy or sell in size with less slippage.
Are Arbitrum and Optimism the same type of cryptocurrency?
Both are classified as Altcoins, so they target overlapping use cases.
Should I buy Arbitrum or Optimism?
This page is information, not financial advice. Arbitrum and Optimism differ in size, liquidity and purpose (see the table above). Crypto is volatile and you can lose money — research each project and consider your own risk tolerance before investing.