Intro to Modern Portfolio Theory : understand diversification and the Efficient Frontier, find a portfolio with the maximum Sharpe Ratio; why index funds are theoretically optimal.

( Start Here! ) Basic concepts everyone needs to know, from compound interest to the stock market.

Learn the logic of stock valuation with a discounted cash flows calculator... plus P/E, P/S and PEG ratios, CAPM, DDM ... Buffett's secret formula (?) ... and a Grahamatron with Artificial Ben-telligence.

Plus: Making Stock Market Predictions



Confused by the economy? Try the guide to Economic Indicators; trace the components of the Gross Domestic Product; learn the twisty little logic of Government Spending and Tax Cuts; use an Inflation Calculator.

Plus: compound interest calculator, more...

Does Dollar Cost Averaging make volatility "work for you"?

Do Fibonacci Numbers predict stock prices?

Is the January Effect for real?



Eggheads & germs, commies & vampires; Pols in space; How rich would Elvis be?

The Rule of 72

How to estimate compound interest, and why the estimate works.

Stock market CAGR-lator

Long-term stock market returns.

Inflation Calculator

Investment Return Calculator

Popup Glossary & Calculator

Totally Unrelated Diversions