Interactive Demo
Fixed-Income: The Law of One Price
Fixed-Income: The Law of One Price is a free, interactive learning demo from the Finance Theory I course on Lykke. It helps you build intuition for Coupon Bonds, Yield Curves, Spot and Forward Rates, Modified Duration. Play with it directly in your browser — it features 4 sliders. This demo lives in the “Fixed-Income Securities” section of the course.

How to use this demo
- Drag the sliders to change the inputs and watch the visualization update in real time.
- Experiment freely — there's nothing to break, and every change is reversible.
What you'll explore
- Coupon Bonds
- Yield Curves
- Spot and Forward Rates
- Modified Duration
- Law of One Price
Frequently asked questions
What does the Fixed-Income: The Law of One Price demo do?
Exploration of bond valuation, interest rate dynamics, and the term structure of interest rates. Fixed-Income: The Law of One Price turns that idea into something you can manipulate directly and watch respond.
What Finance Theory I concept does Fixed-Income: The Law of One Price teach?
Exploration of bond valuation, interest rate dynamics, and the term structure of interest rates. It focuses on Coupon Bonds, Yield Curves, Spot and Forward Rates, Modified Duration, Law of One Price from the “Fixed-Income Securities” section.
What can I control in Fixed-Income: The Law of One Price?
The 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 Fixed-Income: The Law of One Price 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 “Fixed-Income Securities” 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 Fixed-Income: The Law of One Price?
You'll build intuition for Coupon Bonds, Yield Curves, Spot and Forward Rates, Modified Duration, Law of One Price — 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 Fixed-Income Securities 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 →