James Warrick

Explainers

Sometimes I'm not sure I understand something completely, so I write it out. Read at your own risk.

Bondsstart at the top

  1. What Are Bonds? A Beginner's GuideA bond is a loan dressed up as an investment. What that means, some terminology worth knowing, and why bond prices move.
  2. Bond DurationDuration estimates how much a bond's price moves when interest rates do. This post shows how this is measured and what the impact can be.
  3. A Field Guide to U.S. Treasury SecuritiesBills, notes, bonds, TIPS, FRNs, I Bonds, EE Bonds. Same borrower, different terms. What each one actually is and how to tell them apart.

Marketsstart at the top

  1. What Is the Efficient Market Hypothesis?A good company is not always a good investment. How market prices absorb information, why beating them is difficult, and where the efficient market hypothesis falls short.
  2. Alpha, Beta, and Gamma: The Greeks of InvestingWhat it means to be long beta, where alpha might come from, and how a gamma squeeze can move a stock—even if you never trade options.

Economystart at the top

  1. What Is GDP?Gross domestic product is a broad scorecard for an economy. What it counts, what it doesn't count, and why markets care so much when it changes.

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