> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://biasinvestors.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Efficient Frontier

A theoretical collection of optimal portfolios based on risk/return tradeoffs. Efficient frontiers are a part of what is called Modem Portfolio Theory.