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 #95 with a market cap of $609M, while Optimism sits at #163 with $221M. In the last 24 hours, ARB moved -0.93% compared to OP's -3.41%. ARB shows higher trading volume, suggesting stronger market activity.