How an IPO Actually Works: S-1, Bookbuilding & Greenshoe
From the S-1 registration statement to bookbuilding, allocation, the first trade, and the greenshoe option — a plain-English walk through the modern IPO process.
investing basics
Yield Curve Explained: Shapes, Forces, and Inversion
A plain-English guide to the Treasury yield curve: what it is, the four shapes, why it can invert, and what each shape says about the economy.
How Stock Splits Work — and Whether They Actually Matter
A stock split changes the share count but not the company. Here’s what splits actually do, why companies bother, and what the research says about returns.
Bond Pricing, Yield, Duration & Convexity Explained
Learn how bond prices move with interest rates, what duration really measures, and why convexity matters — with worked examples and real data.
Market Makers, Bid-Ask Spreads, and Why Liquidity Matters
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.
Short Selling Explained: Mechanics, Margin, and Squeezes
Learn how short selling works — from borrowing shares to margin requirements, short interest metrics, and what triggers a dangerous short squeeze.
Repo and Reverse Repo Explained: The Plumbing of Short-Term Finance
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.
Sector Rotation Explained: How Money Moves Between Industries
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.
Options Greeks Explained: Delta, Gamma, Theta, and Vega
Learn how delta, gamma, theta, vega, and rho measure an option’s price sensitivity — with worked examples, real numbers, and charts.
How the Fed Sets Interest Rates — and Why It Moves Markets
Inside the FOMC: how the Fed targets the federal funds rate, how QE and QT work, and why each decision ripples through stocks, bonds, and mortgages.