How an IPO Actually Works: S-1, Bookbuilding, and the Greenshoe
A plain-English guide to how companies go public — from the S-1 filing to bookbuilding, pricing night, and the greenshoe stabilization option.
investing basics
EPS, Diluted EPS, and Non-GAAP Earnings Explained
Learn what basic EPS, diluted EPS, and non-GAAP adjusted earnings really mean — and how to read them without being misled. Plain-English guide with worked examples.
How Stock Buybacks and Dividends Work
Learn how stock buybacks and dividends return capital to shareholders, how each is taxed, when each signals management confidence, and which strategy suits which investor.
Options Greeks Explained: Delta, Gamma, Theta, Vega, Rho
Master the five options Greeks — delta, gamma, theta, vega, and rho — with plain-English definitions, a worked example, two charts, and real Black-Scholes numbers.
Options 101: Calls, Puts, Strike, and Expiry Explained
Learn how options work — calls, puts, strike prices, expiration dates, intrinsic value, and time decay — with real examples, payoff diagrams, and plain-English explanations.
How Short Selling and Short Squeezes Actually Work
Short selling explained from borrow mechanics to short squeezes — with real numbers, a flow diagram, data table, and historical examples including GameStop and VW.