By Menno — 13 years in crypto, 3 bear markets survived, zero paid promotions
Last updated: April 2026
Arbitrum vs Optimism: Risk Score Comparison
Optimism (5/100) is currently lower risk than Arbitrum (7/100) by 1.3 points.
Analysis
Arbitrum (ARB) is a Layer 2 cryptocurrency. Leading Ethereum Layer 2 scaling solution using optimistic rollups.
Optimism (OP) is a Layer 2 cryptocurrency. Ethereum Layer 2 using optimistic rollups for cheaper transactions.
Full Risk Reports
Frequently Asked Questions
Which is safer: Arbitrum or Optimism?
Optimism (5/100) is currently lower risk than Arbitrum (7/100) by 1.3 points. Risk scores update every 6 hours and can change as market conditions evolve.
How are Arbitrum and Optimism scored?
Both coins are scored using the same 9-indicator composite: Risk Wave, RSI (2-week), ATH Distance, Bitcoin Dominance, Fear & Greed, ALT/BTC Ratio, BTC Production Cost, Funding Rate, and Token Unlocks. Each indicator is weighted to produce a 0-100 composite score.
Are Arbitrum and Optimism in the same category?
Yes, both are in the Layer 2 category. This makes them more directly comparable as they face similar sector-specific risks.
Should I invest in Arbitrum or Optimism?
Risk scores are for informational purposes only and do not constitute investment advice. A lower risk score does not mean a coin is a better investment — it simply reflects current market conditions for that asset. Always do your own research.