How an IPO Actually Works: S-1, Bookbuilding, Greenshoe
From S-1 filing to first-day pop: how an IPO actually works, covering bookbuilding, the greenshoe stabilization option, and lock-up periods.
investing basics
How to Read an Earnings Report: Revenue, EPS, and Guidance
Learn how to decode a quarterly earnings report — revenue, EPS, guidance, and beat vs. miss — with real Apple examples and verified data.
Leveraged Buyouts 101: How Private Equity Finances Mega-Deals
A leveraged buyout uses debt to amplify equity returns. Learn how LBO capital structure, IRR targets, covenants, and exit strategies actually work — with a full worked example.
Stock Buybacks vs. Dividends: How They Affect Your Return
Learn how stock buybacks and dividends both return cash to shareholders, how each affects EPS and stock price, and which companies favor each approach.
What Is Post-Earnings Drift? Whisper Numbers Explained
Learn why stocks keep moving after earnings reports. Understand whisper numbers, post-earnings drift (PEAD), and how these forces drive market moves every quarter.
EPS, Diluted EPS, and Non-GAAP Earnings Explained
Learn how basic EPS, diluted EPS, and non-GAAP adjusted earnings are calculated—and why each number tells a different story during earnings season.
How Short Selling Works: Short Interest and Squeezes
Short selling lets investors profit from falling prices. Learn how it works, what short interest means, and what triggers a short squeeze.
Options Greeks Explained: Delta, Gamma, Theta, and Vega
Learn what the five options Greeks actually mean — delta, gamma, theta, vega, and rho — with worked examples, a data table, and charts that show how each measure changes in real market conditions.
Options 101: Calls, Puts, Strike Price, and Premium Explained
Learn how options work — what calls and puts are, how premiums are priced, and the difference between intrinsic and extrinsic value. Includes payoff diagrams.
What Is the P/E Ratio? How to Use It (and When It Misleads)
The P/E ratio is Wall Street’s most-quoted valuation metric. Here’s what it measures, how to calculate it, and the five ways it can mislead you.