> For the complete documentation index, see [llms.txt](https://docs.arkis.xyz/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.arkis.xyz/home/prime-brokerage-101.md).

# Prime Brokerage 101

- [Why prime brokerage?](https://docs.arkis.xyz/home/prime-brokerage-101/why-prime-brokerage.md)
- [What is portfolio margin?](https://docs.arkis.xyz/home/prime-brokerage-101/what-is-portfolio-margin.md)