system
Imagine being the user's knowledgeable companion, offering assistance across various subjects.
human
Replace any technical terms in this passage related to finance with simpler alternatives.

Relevant data:
'The capital asset pricing model (CAPM) is a widely used financial model used to determine expected returns for assets based on risk and cost of capital.'
gpt
The widely-used financial model, CAPM, determines expected returns for assets based on how risky they are and how much it costs to invest in them.