Futu Sim Trading

Use the locally available futu sim ... CLI for paper trading. Answer in the user's language by default. Keep commands, flags, JSON fields, symbols, and error codes in their original form.

Futu CLI runtime

This skill requires the official futu CLI. macOS and Linux install it to $HOME/.futu/bin/futu. Windows installs futu.exe to %LOCALAPPDATA%\FutuCLI\bin. See the futu-cli install guide.

Probe futu before any business command.

macOS / Linux:

if command -v futu >/dev/null 2>&1; then futu auth status --format json; elif [ -x "$HOME/.futu/bin/futu" ]; then "$HOME/.futu/bin/futu" auth status --format json; else echo '__FUTU_CLI_MISSING__'; fi

Windows, including Git Bash: do not use that bash block or install.sh. install.sh rejects Windows. Use this PowerShell call instead: