Overview
PEPS ranks this pair inside the Top 300 market-cap universe. That means Arbitrum and Optimism are liquid enough for an indexable comparison, with metrics refreshed on the hourly coin pipeline.
Quick winners
Full comparison
| Metric | ARB | OP |
|---|---|---|
| Price | $0.081700 | $0.086600 |
| Market Cap | $543.44M | $216.56M |
| FDV | — | — |
| Volume 24h | $4.33M | $1.39M |
| Circulating Supply | — | — |
| Total Supply | — | — |
| Max Supply | — | — |
| Rank | 95.00 | 163.00 |
| Dominance | — | — |
| Liquidity | — | — |
| Volatility | +5.47% | +6.00% |
| ATH | — | — |
| ATL | — | — |
| ROI | — | — |
Performance
| Timeframe | ARB | OP |
|---|---|---|
| 1H | — | — |
| 24H | +2.64% | +3.84% |
| 7D | — | — |
| 30D | — | — |
| 90D | — | — |
| 1Y | — | — |
| YTD | — | — |
| ALL | — | — |
Comparative chart
Technical indicators
| Indicator | ARB | OP |
|---|---|---|
| RSI | 42.16 | 31.27 |
| MACD histogram | — | — |
| EMA20 | — | — |
| EMA50 | — | — |
| EMA100 | — | — |
| EMA200 | — | — |
| SMA50 | — | — |
| SMA200 | — | — |
| ATR | 0.00 | 0.01 |
| ADX | 22.88 | 21.21 |
| Support | 0.08 | — |
| Resistance | 0.09 | 0.10 |
| Trend | bearish | bearish |
| Momentum | — | — |
| Signal | neutral | neutral |
Automatic technical analysis
Use the indicator table as a checklist: if momentum and trend align on one asset while the other diverges, relative-value setups become more interesting — still without certainty.
Fundamentals
| Metric | ARB | OP |
|---|---|---|
| Consensus | — | — |
| Blockchain | — | — |
| TPS | — | — |
| Block time | — | — |
| Finality | — | — |
| Validators | — | — |
| Staking | — | — |
| TVL | — | — |
| Supply model | — | — |
| Inflation | — | — |
| Developer activity | 4.00 | 0.00 |
| Github activity | 101.00 | 0.00 |
| On-chain activity | — | — |
| Whale activity | — | — |
| Addresses | — | — |
| Gas fees | — | — |
Ecosystem
Arbitrum
Optimism
Pros and cons
Pros of Arbitrum
- Higher ranking for Arbitrum can translate into tighter spreads on major venues.
- Arbitrum typically benefits from deeper liquidity and broader market recognition inside the Top 300 set.
Cons of Arbitrum
- Large-cap status for Arbitrum can mean slower percentage upside versus high-beta alternatives.
- When dominance narratives fade, Arbitrum can lag hotter rotation names.
- Crowded positioning around ARB sometimes amplifies squeeze or flush risk.
Pros of Optimism
- Narrative optionality around Optimism can reprice quickly when catalysts appear.
- Active volume bursts on OP sometimes precede sharper tactical moves.
- Optimism can offer higher relative beta when market attention rotates toward its niche.
Cons of Optimism
- Trend failures on Optimism often travel faster than on more established assets.
- Weaker market-cap standing may leave Optimism more exposed to liquidity droughts.
- Relative underperformance versus Arbitrum can persist through entire market regimes.
- Smaller book depth versus large caps can increase slippage for Optimism.
Which looks stronger right now?
Statistically, higher market cap (Arbitrum) often correlates with deeper books, while hotter 24h prints (Optimism) can fade. Position sizing should reflect that uncertainty.
AI summary
This AI-assisted summary starts from live PEPS fields. Arbitrum holds market-cap $543.44M and rank #95; Optimism shows $216.56M and #163. Where liquidity and flow matter, watch Arbitrum. Where durability matters, watch Arbitrum. AI composite scores (46.90/47.80) compress those tensions into a single lens. In probabilistic terms, the side winning more columns may have a nearer-term edge, but tails remain fat. Revisit after the next hourly refresh.
FAQ
Which is better, Arbitrum or Optimism?
“Better” depends on horizon and risk. Arbitrum leads on market cap today, while Optimism leads the 24h move — neither is a guarantee.
Which has more upside potential, ARB or OP?
Higher-beta assets can move more in both directions. Use performance tables and volatility, not headlines, to judge potential ranges.
Which is less risky right now?
Lower volatility and deeper liquidity usually imply milder path risk, but crypto tails remain large for both Arbitrum and Optimism.
Which has stronger developer activity?
Check the fundamentals table for developer/github fields when populated. Missing values mean the feed has no reliable reading yet.
Which looks more decentralized?
Decentralization is multi-dimensional (validators, client diversity, token distribution). This page surfaces available consensus/validator fields without over-claiming.
Which has lower fees?
Fee comparisons belong to each network’s fee market. Where gas/fee metrics exist in fundamentals, compare them; otherwise verify on explorers.
Which is better for investing?
Investing choices need personal constraints. Use this comparison as research input, then size positions with an explicit invalidation plan.
Which is better for staking?
If staking fields are present, compare yield mechanics and lockups off-platform. Staking returns are not risk-free.
Which is more used day to day?
Volume, on-chain activity and ecosystem links are practical usage proxies. Arbitrum currently leads traded volume on this snapshot.
Which has the better recent performance?
See the performance table across 1h through 1y. The 24h leader is Optimism, but longer windows can disagree.