Interactive Demo
CAPM & Security Market Line Interactive
CAPM & Security Market Line Interactive is a free, interactive learning demo from the Finance Theory I course on Lykke. It helps you build intuition for Capital Asset Pricing Model (CAPM), Beta (β), Security Market Line (SML), Arbitrage Pricing Theory (APT). Play with it directly in your browser — it features 4 sliders and a live visual canvas. This demo lives in the “Asset Pricing Models: CAPM and APT” section of the course.

How to use this demo
- Drag the “Risk-Free Rate (R f) 2%”, “Market Return (E[R m ]) 8%”, “Asset Beta (β i) 1.2” sliders to change the inputs and watch the result update live.
- Experiment freely — there's nothing to break, and every change is reversible.
What you'll explore
- Capital Asset Pricing Model (CAPM)
- Beta (β)
- Security Market Line (SML)
- Arbitrage Pricing Theory (APT)
- Systematic vs. Idiosyncratic Risk
Frequently asked questions
What does the CAPM & Security Market Line Interactive demo do?
Examination of equilibrium models that determine the required rate of return for risky assets. CAPM & Security Market Line Interactive turns that idea into something you can manipulate directly and watch respond.
What Finance Theory I concept does CAPM & Security Market Line Interactive teach?
Examination of equilibrium models that determine the required rate of return for risky assets. It focuses on Capital Asset Pricing Model (CAPM), Beta (β), Security Market Line (SML), Arbitrage Pricing Theory (APT), Systematic vs. Idiosyncratic Risk from the “Asset Pricing Models: CAPM and APT” section.
What can I control in CAPM & Security Market Line Interactive?
The “Risk-Free Rate (R f) 2%”, “Market Return (E[R m ]) 8%”, “Asset Beta (β i) 1.2” sliders change the key inputs. Every change updates the visualization in real time, so you can see exactly how each variable affects the outcome.
How does CAPM & Security Market Line Interactive fit into the Finance Theory I course?
Finance Theory I provides a rigorous introduction to the fundamental principles of modern financial economics and investment management. The course focuses on the valuation of financial assets, the relationship between… This demo is the interactive piece for the “Asset Pricing Models: CAPM and APT” section. Open the full Finance Theory I course wiki at https://www.getlykke.com/explore/public/finance-theory-i-5c23d6da-c239-4628-9b1d-fb3539a0c893 for notes, flashcards, quizzes and the other demos.
What will I understand better after using CAPM & Security Market Line Interactive?
You'll build intuition for Capital Asset Pricing Model (CAPM), Beta (β), Security Market Line (SML), Arbitrage Pricing Theory (APT), Systematic vs. Idiosyncratic Risk — and, crucially, see how they behave when you change the inputs, which is hard to get from a textbook or lecture on Finance Theory I alone.
From the Finance Theory I course
This interactive demo is part of the Asset Pricing Models: CAPM and APT section. Explore the full Finance Theory I course wiki on Lykke — with notes, flashcards, quizzes and more interactive demos.
Open the Finance Theory I course →