Learn
Everything on this site, explained in plain English — what ETFs are, what the numbers mean, and how to research funds properly. Educational content only, never individualized investment advice.
Basics
What is an ETF?
An exchange-traded fund is a pooled investment that trades on a stock exchange like a single share.
Read →ETF vs. mutual fund
Both are pooled funds; the main differences are how they trade, their typical costs, and tax mechanics.
Read →ETF vs. stock
A stock is one company; an ETF is a basket. The trade looks the same, the risk profile does not.
Read →Fees & Mechanics
What is an expense ratio?
The fund's annual operating cost as a percentage of your investment, deducted automatically from returns.
Read →What is ETF NAV?
Net asset value: the per-share value of everything the fund holds, computed after each close.
Read →Premium and discount to NAV
The gap between an ETF's market price and its net asset value, and why it appears.
Read →How ETF creation and redemption works
The share-supply mechanism that keeps ETF prices near NAV and drives fund flows.
Read →What are authorized participants?
The institutions allowed to create and redeem ETF shares directly with the fund.
Read →What is tracking error?
How closely an index fund actually follows its index — and why gaps appear.
Read →Trading
ETF liquidity
Why an ETF's tradability depends on its underlying assets, not just its own volume.
Read →Bid/ask spreads
The hidden per-trade cost: the gap between the best buying and selling price.
Read →ETF taxes (U.S.)
The general U.S. tax mechanics of ETFs — and why structure matters. Not tax advice.
Read →Strategies
Active vs. passive ETFs
Rules-based index tracking versus a manager's judgment — costs, predictability, and trade-offs.
Read →Leveraged ETFs
Funds targeting a multiple of an index's DAILY return — powerful, and easy to misunderstand.
Read →Inverse ETFs
Funds designed to move opposite their index — for single days.
Read →Covered-call and option-income ETFs
Funds that sell options to convert potential upside into distributable cash.
Read →Buffer (defined-outcome) ETFs
Options-built funds that trade away upside for a stated downside buffer — over a specific window.
Read →Asset Classes
Bond ETFs
Fixed-income exposure with equity-like tradability — and its own quirks.
Read →Dividend ETFs
Funds that select or weight stocks by dividends — yield today versus growth tomorrow.
Read →Bitcoin and crypto ETFs
Spot and futures-based funds holding digital assets — convenience with distinct risks.
Read →Commodity ETFs
Physical metals versus futures-based funds — the structure determines the outcome.
Read →International ETFs: global, ex-US, developed, emerging
The geography vocabulary — and why 'global' and 'international' are not synonyms.
Read →Currency-hedged ETFs
Same stocks, without the exchange-rate ride — when hedging helps and what it costs.
Read →