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ARB vs DOT market cap comparison
As of Sep 8, 2026, if Arbitrum (ARB) had Polkadot's (DOT) market cap of $1.86B, one ARB would be worth $0.2779, 1.67x its current price of $0.1661.
At Polkadot's all-time-high market cap of $93.56B (Nov 4, 2021), ARB would be worth $14.01 (84.32x).
Polkadot is 1.67x the size of Arbitrum by market cap. The rank gap between them is 20 places.
| Metric | Arbitrum (ARB) | Polkadot (DOT) |
|---|---|---|
| Price (USD) | $0.1661 | $1.09 |
| Market cap (USD) | $1.11B | $1.86B |
| Market cap rank | #69 | #49 |
| Circulating supply | 6.68B ARB | 1.7B DOT |
| 24h change | -10.12% | +13.95% |
Price of Arbitrum at Polkadot's market cap: ($1.86B ÷ $1.11B) × $0.1661 = $0.2779.
Questions
- What would ARB be worth with Polkadot's market cap?
- Arbitrum (ARB) would be worth $0.2779 per coin with Polkadot's market cap of $1.86B. That is 1.67x its price of $0.1661 on Sep 8, 2026.
- How many times would ARB need to grow to reach Polkadot's market cap?
- Arbitrum would need to grow 1.67x. Its market cap is $1.11B and Polkadot's market cap is $1.86B.
- How is the ARB price at DOT's market cap calculated?
- Price of Arbitrum at Polkadot's market cap: ($1.86B ÷ $1.11B) × $0.1661 = $0.2779.
Data: CoinGecko, refreshed daily. Last update Sep 8, 2026.