> ## 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).

# Principal

(1) The face or par value of a debt instrument.
(2) A transaction in which a security firm buys or sells for its own account (vs. agent). See also: Dealer.
(3) A person within a securities firm with supervisory responsibilities.
(4) In general, a person’s capital or the amount invested.