The ETF Blog — ETF Concepts Explained Simply

Learn what AUM, expense ratios, and ETF holdings actually mean — explained like you're 5. No jargon. No fluff.

What Is AUM? ETF Assets Under Management, Explained Like You're 5

AUM stands for Assets Under Management. It tells you how much total money is sitting inside an ETF. Here's exactly what it means, why it matters, and how to use it.

2026-05-15 — 4 min read — ETF Basics

What Is an Expense Ratio? ETF Annual Fees, Explained Simply

An expense ratio is the annual fee an ETF charges you — automatically, invisibly. Here's what it is, how it's calculated, and what a good expense ratio looks like.

2026-05-12 — 5 min read — ETF Basics

What Are ETF Holdings? Diversification in Investing, Explained for Beginners

ETF holdings are the stocks (or bonds) the fund actually owns. Understanding holdings tells you what you're really investing in — and how diversified you actually are.

2026-05-10 — 5 min read — ETF Basics