> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://okx-demo.ferndocs.com/docs/get-started/account-mode/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://okx-demo.ferndocs.com/_mcp/server. # Account Mode To facilitate your trading experience, please set the appropriate account mode before starting trading. In the trading account trading system, 4 account modes are supported: `Spot mode`, `Futures mode`, `Multi-currency margin mode`, and `Portfolio margin mode`. You need to set on the Web/App for the first set of every account mode. > The four trading account modes.