Arbitrum vs Optimism: Side-by-Side Comparison
Compare ARB and OP — price, market cap, volume, and performance. Updated 2026.
ARB vs OP — Key Differences
Arbitrum is currently ranked #92 with a market cap of $541M, while Optimism sits at #151 with $253M. In the last 24 hours, ARB moved 1.61% compared to OP's 2.56%. ARB shows lower trading volume, suggesting lighter market activity.