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October 3, 2026
Coin comparison

Arbitrum vs Optimism

Side-by-side comparison of price, market capitalisation, supply, and performance for Arbitrum (ARB) and Optimism (OP). Data refreshed daily from multiple public APIs.

Metric ARB OP
Price $0.2012 $0.1329
Market cap $1.09B $236.38M
24h volume $127.98M $56.84M
Circulating supply 5.40B 1.78B
Max supply 10.00B 4.29B
All-time high $2.40 $4.87
24h change % -2.90% -1.04%
7d change % -18.45% -19.75%
Rank #22 #23

"Winner" is highlighted by raw value; for change percentages, higher is better. This comparison is informational, not investment guidance.

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