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.
The cash conversion cycle measures how many days a company’s cash is tied up in operations. Here is the formula, a worked example, and why negative CCC is the holy grail of working capital.
Maximum drawdown is the worst peak-to-trough loss a portfolio has taken – the single number that captures the pain volatility hides.
DuPont analysis splits return on equity into margin, asset turnover, and leverage so you can see whether a high ROE comes from operating skill, capital efficiency, or just borrowing.
Shiller PE sits near 41, second only to the 1999 peak. What CAPE measures, when it works, when it misleads, with verified historical data.
What CET1, Tier 1, and Tier 2 capital ratios mean, the Basel III minimums, buffers, and why bank capital is back in the headlines.
Senior debt, subordinated bonds, preferred stock, common equity — here is the exact order claims get paid when a company defaults, with the GM 2009 worked example.
What delta, gamma, theta, vega, and rho actually measure — with worked examples, typical ranges, and the mistakes traders make.
Duration is the single number that explains why a 30-year Treasury can lose roughly 16% in a year when yields rise 1%. Here is how it works, with current data.
How the carry trade works in plain English: borrow in a low-rate currency, invest in a higher-yielder, pocket the spread — and what causes the unwinds.
PEG = P/E / earnings growth. Below 1 is the classic Lynch rule. Why the metric helps with growth stocks — and where it misleads.