> ## Documentation Index
> Fetch the complete documentation index at: https://help.arcus.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Arcus Help Center

> Answers to common questions about trading on Arcus.

Arcus is a decentralized exchange built with Robinhood on Robinhood Chain. From one self-custodied account you can trade **Stock Tokens** (spot, 24/7) and **cross-margined perpetuals** across equities, crypto, commodities, and indices — with up to 50x leverage.

Pick a topic below, or press <kbd>⌘K</kbd> to search every question.

<CardGroup cols={2}>
  <Card title="General" icon="circle-question" href="/faq/general-faq/general/what-is-arcus">
    What Arcus is, the markets, self-custody & security, fees, and the Robinhood partnership.
  </Card>

  <Card title="Onboarding & funding" icon="user-plus" href="/faq/onboarding-faq/access-eligibility/when-does-access-begin">
    Eligibility, supported wallets, deposits, and withdrawals.
  </Card>

  <Card title="Waitlist" icon="list-check" href="/faq/waitlist-faq/overview/what-does-the-waitlist-gate">
    Joining the perps waitlist, access, and what early access includes.
  </Card>

  <Card title="Spot — Stock Tokens" icon="coins" href="/faq/arcus-spot-faq/the-basics/what-is-spot-trading-on-arcus">
    Buying and selling Stock Tokens: prices, fees, limits, and troubleshooting.
  </Card>

  <Card title="Perpetuals" icon="chart-line" href="/faq/arcus-perps-faq/the-basics/what-is-a-perpetual-future">
    Equity & crypto perps: margin, leverage, funding, liquidations, and fees.
  </Card>

  <Card title="API documentation" icon="code" href="https://docs.arcus.xyz">
    Looking for the API documentation? Come over here.
  </Card>

  <Card title="Trade on Arcus" icon="arrow-up-right-from-square" href="https://app.arcus.xyz">
    Ready to trade? Open the Arcus app.
  </Card>
</CardGroup>

Still stuck? Use the chat bubble in the bottom corner to reach the Arcus team.