TIPS Explained: How Inflation-Protected Treasuries Work
How Treasury Inflation-Protected Securities work — principal adjustment, real yield, breakeven inflation, taxes, and where TIPS fit in a portfolio.
Market Education
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.
Russell 2026 Reconstitution: A $217B Day, Now Semi-Annual
FTSE Russell’s preliminary 2026 additions and deletions hit on May 22. The flip goes effective after the June 26 close – and now happens twice a year.
Implied Volatility Explained: How Options Price Future Moves
What is implied volatility? How does it differ from realized volatility, drive the VIX, and shape every options trade? A best-in-class explainer with worked numbers, IV rank, skew, and term structure.
Options Greeks Explained: Delta, Gamma, Theta, Vega
What delta, gamma, theta, vega, and rho actually mean — with worked examples from the Options Industry Council and a 30-day call snapshot.
Repo and Reverse Repo Explained: How Funding Plumbing Works
How the repo market actually works — collateral, haircuts, SOFR, the Fed’s ON RRP, and why the $2.5T overnight RRP facility drained to almost zero in 2026.
Bond Duration Explained: Why Yields Move Bond Prices
Bond duration measures how much a bond’s price moves when yields change. Here’s the math, a worked example, and why long Treasuries got crushed in 2026.
Zoom’s Anthropic Stake Hits $1.3B: A 25x CVC Win
Zoom’s Q1 FY27 filing disclosed its $51M Anthropic stake is now worth about $1.3B — roughly 25x in two years. What the markup means for corporate venture.
DCF Valuation Explained: Inputs, Math, and Pitfalls
DCF values a company as the present value of its future free cash flow. Here is the formula, a worked example, and the three inputs that break it.
How an IPO Actually Works: S-1, Bookbuilding, Greenshoe
From S-1 filing to the greenshoe, how a private company actually goes public — underwriters, the roadshow, pricing, allocations, and stabilization.
Stock Buybacks Explained: Mechanics, EPS Math, Taxes
How share repurchases actually work — open-market vs ASR vs Dutch auction, the EPS math that drives them, SEC Rule 10b-18, and the 1% excise tax.