Learn how stocks, bonds and capital markets work. Explore plain-English explanations, worked examples and charts, then follow related coverage to connect market concepts with current events. Find your way around ECMSource.
Every stock trade passes through a market maker who profits from the bid-ask spread. Here’s how market makers work, what payment for order flow means for you, and why liquidity affects every investment decision.
Learn how short selling works — from borrowing shares to margin requirements, short interest metrics, and what triggers a dangerous short squeeze.
Repos and reverse repos move trillions of dollars daily. Learn how repurchase agreements work, what the Fed’s RRP facility does, and why it matters to markets.
Learn what sector rotation is, how the business cycle drives it, and how to track which industry sectors are leading — with real 2026 market data.
Learn how delta, gamma, theta, vega, and rho measure an option’s price sensitivity — with worked examples, real numbers, and charts.
Learn how stock options work — calls, puts, strike price, expiry, and the difference between intrinsic value and time value — with real examples and charts.
How does venture capital actually work? Learn the fund structure, funding stages, dilution mechanics, and key terms — from first check to IPO — in plain English.
Learn how convertible bonds work — coupon, conversion ratio, bond floor, and conversion premium — with plain-English examples and a verified worked illustration.
The price-to-earnings ratio is the most-cited valuation metric in investing. Here is what it measures, how to read it, and the five ways it can lead you astray.
Learn to decode any earnings report: income statement structure, EPS beats and misses, forward guidance, and what actually moves stock prices.