ETF
An exchange-traded fund is a fund whose shares trade on an exchange throughout the day like a stock. Most track an index, but the structure itself says nothing about what the fund holds or how risky it is.
The wrapper is the only thing the letters describe. ETFs exist covering broad equity indices, single sectors, individual commodities, and leveraged or inverse exposures whose risk profile has nothing in common with a broad tracker.
Two things worth checking before assuming
First, whether the fund holds the underlying assets or replicates the exposure through derivatives — the second introduces counterparty risk that the first does not. Second, whether it uses leverage or resets daily; daily-reset leveraged products can lose value over time in a choppy market even when the underlying finishes flat, which surprises people who assumed the leverage simply multiplied the period return.
"It's just an ETF" is not a risk assessment. It describes how the thing is traded, not what is inside it.
Related terms
Maintained by Jared Sinclair, Founder · Syrax Global FZCO · Definitions are educational, not financial advice.
Knowing the vocabulary is the easy part.
Every term here can be learned in an afternoon. Applying them consistently under pressure is the part that decides outcomes — and the part almost nobody measures. That is what the series is about.