Learn Finance and Investing through simulation and games
Designed by Md Nazmus Sakib, CFA · Made with Claude
The Library

Finance and Investing, taught
by interactive simulation and games.

Starter — The Foundations

More Coming

First principles. The vocabulary that everything else inherits. Begin here whether you are a student, a curious professional, or a refresher.

Learn the Basics of Probability

Simulation — drag, flip, roll. Coins → cards → Bayes → Monty Hall.

Coin Cards Bayes Monty Hall

Time Value of Money

A dollar today versus a dollar tomorrow — twelve chapters from instinct to mathematics.

FV · PV NPV · IRR Annuities Loans

Discounted Cash Flow

Three-stage DCF valuation. Tune growth, margins, WACC. See where terminal value hides.

Forecast Terminal WACC

Portfolio Basics

Asset allocation, diversification, correlation, rebalancing. The mechanics of holding many things at once.

Allocation Correlation Rebalancing

Advanced — The Practitioner

More Coming

Deeper machinery: credit, risk, derivatives, factor models. Built for analysts, risk managers, and serious self-learners who want to feel the gears turn.

ECL

Expected Credit Loss

IFRS 9 ECL from first principles to full granularity — PD, LGD, EAD, staging, macro overlay, Vasicek.

IFRS 9 Basel IRB Vasicek Staging
95%

Value at Risk

Historical, parametric, Monte Carlo VaR. Component VaR, backtesting, and the loss distribution made visible.

Historical Monte Carlo Backtest
1Y 30Y

Bonds & Duration

Bond pricing, duration, convexity, yield-curve shifts. Why long bonds get hammered when rates move.

Duration Convexity Yield Curve
K

Options & Payoffs

Black-Scholes, the Greeks, payoff diagrams. Build spreads, straddles, and collars by hand.

Black-Scholes Greeks Spreads
σ μ

Efficient Frontier

Markowitz mean-variance optimization. Draw two assets, set correlations, watch the frontier curve emerge.

Markowitz Sharpe Tangency
MKT SMB HML MOM

Factor Models

CAPM, Fama-French, Carhart. Watch alpha shrink as factors get added. Build your own factor.

CAPM FF3 · FF5 Alpha