What is an inverse ETF?
In one line: An inverse ETF is a fund that aims to move opposite to an index for one day, rising about 1% when the index falls 1%.
A simple example
An inverse ETF is built to go up when its index goes down. A "−1x" fund aims for the opposite of the index's move on a single day. Some are −2x or −3x.
If the index falls 2% today, a −1x fund aims to rise about 2%.
But like a Leveraged ETF, it resets every day. Here's an illustration. The index and the fund both start at 100.
| Day | Index move | Index | −1x fund move | Fund |
|---|---|---|---|---|
| 1 | −10% | 90 | +10% | 110 |
| 2 | +10% | 99 | −10% | 99 |
After two days the index is down 1%. You might expect the fund to be up 1%. It's down 1% too. A math example, not a promise.
Why it matters
Inverse ETFs give a simple way to bet on a drop, or protect a portfolio, without Short selling or options. You buy them like any stock, and you can't lose more than you put in.
That makes them a tool for Hedging. Someone holding index funds might hold a small inverse position through a period they're worried about.
A common mistake
Holding an inverse ETF for months as a "crash bet." Markets tend to rise over long periods, and daily resets cause drift in choppy weeks. The fund can lose value even when the index ends roughly flat, as the table shows.
Use it with a plan: why you're in, where you get out, and how much you'll risk. Read the fund's own documents for how it's meant to be held.
Questions
Is an inverse ETF the same as short selling?
The idea is similar, profiting from a drop. But with an inverse ETF your loss is limited to what you paid. A short sale can lose more than you put in.
Can you hold an inverse ETF long term?
You can, but it's designed for one-day goals. Over weeks and months the result can drift far from the opposite of the index.
Why can an inverse ETF lose value even when the index is flat?
Because it resets every day. Swings up and down compound against it, and fees add a small, steady cost on top.
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