Arbitrum Price
Arbitrum exists because block space on Ethereum is scarce and therefore expensive. It is a layer 2 network — a separate chain that processes transactions itself and then reports back to Ethereum, so that users get much cheaper fees while still relying o…
Dados de mercado via Binance · sinais calculados ao vivo a partir dos fechamentos diários · não é aconselhamento financeiro.
Principais leituras do mercado
Uma leitura em linguagem simples de indicadores ao vivo calculados a partir dos fechamentos diários — eles descrevem o comportamento atual do preço, não uma previsão.
Análise técnica
Médias móveis, momentum e suporte/resistência a partir dos preços de fechamento diários — um retrato da estrutura atual, não uma previsão.
Desempenho histórico
Máxima e mínima de 52 semanas com retornos acumulados em diferentes janelas de tempo. Calculado a partir de até 365 fechamentos diários.
Observações automatizadas
Gerado mecanicamente a partir dos dados de mercado atuais (volatilidade, tendência, distância das máximas) — descritivo, não um conselho.
Pontos fortes · ventos a favor
- Live price, market cap and supply all resolve cleanly from source data.
Riscos · ventos contrários
- Annualised volatility of 90% — large day-to-day swings.
- Price is below the 50-day average, which sits below the 200-day — a classic downtrend alignment.
- Trading 87% below its 52-week high — well off recent peaks.
Estrutura da oferta
Arbitrum não tem oferta máxima fixa. A oferta em circulação é uma estimativa curada usada para calcular a capitalização de mercado.
Derivativos de Arbitrum
Métricas ao vivo de swaps perpétuos. O funding é o pagamento periódico entre posições compradas e vendidas; o open interest é o valor total dos contratos em aberto. Informativo — não é uma recomendação para negociar produtos alavancados.
Fonte: Binance Futures · o funding é exibido por 8h e anualizado. Produtos alavancados envolvem risco elevado; apenas informativo.
Converter Arbitrum para dólar americano
Conversão nos dois sentidos ARB ↔ USD ao preço ao vivo da Binance. Digite um valor em qualquer um dos campos ou toque em um valor predefinido.
Sobre Arbitrum
Arbitrum exists because block space on <a href="/coins/ethereum/">Ethereum</a> is scarce and therefore expensive. It is a <a href="/glossary/layer-2/">layer 2</a> network — a separate chain that processes transactions itself and then reports back to Ethereum, so that users get much cheaper fees while still relying on Ethereum for final settlement. From a wallet's point of view it looks like another network with the same addresses and the same tooling, which is a large part of why it caught on with developers.
The mechanism is called an optimistic rollup. Transactions are executed off the main chain and posted back in compressed batches, with the network optimistically assuming they are valid. Anyone watching can challenge a batch they believe is wrong, and a fraud proof settles the dispute on Ethereum itself — which is why withdrawals back to the main chain carry a waiting period during which challenges can be raised. Fees are paid in ether, not in ARB. ARB is a <a href="/glossary/governance-token/">governance token</a>: it gives holders a vote in the DAO that steers the protocol and its treasury, rather than a share of revenue.
In practice Arbitrum has become a home for the kinds of applications that were priced off Ethereum's base layer: decentralised exchanges, perpetual futures venues, lending markets, games and NFT projects where a few pounds of fees per action would have killed the idea. Bridging assets across from Ethereum is the usual entry point, and most major wallets add the network in a couple of clicks.
The trade-offs are worth understanding before you move funds. Rollups depend on a sequencer that orders transactions, and where that role is not yet decentralised it is a single point of failure — an outage can stall the chain. Upgrade keys held by a small group are another live question across the sector. The waiting period on native withdrawals is a real inconvenience, and the faster third-party bridges people use instead introduce their own risk. Holding ARB is also a bet on governance and ecosystem growth, not a claim on protocol fees.
Arbitrum frente aos pares
| Coin | Preço | 24h | Capitalização |
|---|---|---|---|
| Arbitrum ARB | $0.0820 | -1.21% | $369.00M |
| BNB BNB | $573.19 | +0.39% | $80.25B |
| XRP XRP | $1.11 | +0.52% | $64.17B |
| Solana SOL | $76.69 | +2.23% | $36.43B |
| TRON TRX | $0.3309 | -0.42% | $28.66B |
| Monero XMR | $352.30 | -3.47% | $6.50B |
Arbitrum Perguntas frequentes
What does a rollup actually do?
It moves the expensive part of a blockchain — executing transactions — off the busy main chain, then publishes a compact summary of the results back to it. Because Ethereum stores the data and can adjudicate disputes, users get much of the main chain's security at a fraction of the cost. The trade-off is added complexity and extra assumptions about who runs the system.
Do I need ARB to use Arbitrum?
No, and this surprises people. Transaction fees on Arbitrum are paid in ether, so ether is what you need in your wallet to do anything. ARB is a governance token used for voting on protocol decisions and treasury spending. You can use every application on the network without ever touching it.
How do I get funds onto the network?
Either bridge assets from Ethereum using the official bridge, or withdraw directly to Arbitrum from an exchange that supports it, which is usually cheaper. Whichever route you take, the golden rule is to check the network on both ends. Sending to an address on the wrong network is one of the most common and most painful mistakes in crypto.
Why do withdrawals to Ethereum take so long?
Because of how optimistic rollups prove honesty. Batches are assumed valid unless challenged, so there has to be a window in which someone can raise a fraud proof before funds are released on the main chain. That delay is a security feature, not a bug. Third-party bridges offer instant exits by fronting you the funds, but you take on their risk in exchange.
What is the sequencer, and why does it matter?
The sequencer is the component that receives transactions and decides their order. It makes the network feel fast, but if a single operator runs it, that operator can in principle delay or censor transactions, and an outage stops the chain. Well-designed rollups include an escape route that lets users submit transactions through Ethereum directly, and decentralising this role is an ongoing area of work.
What are the main risks of using a layer 2?
Smart contract bugs in the rollup's own contracts, upgrade powers held by a limited group, sequencer failure, and bridge exploits — bridges have historically been among the most attacked parts of crypto. None of this means layer 2s are unsafe to use, but keeping only what you need on any one network, and understanding how to exit, is sensible practice.
Última atualização 27 julho 2026