ETF Down 20%? What to Do Next

You check your account. It’s down 20%. Not a rumor, not a “maybe” — right there in red, next to the ETF you were so sure about a few months ago.

Now you’re stuck between two voices that are both shouting at once. One says: sell now, before it gets worse — lock in what’s left before this turns into a 30% loss, or 40%. The other says: if I sell now, I turn a loss on paper into a real one, and knowing my luck, it’ll bounce back the week after I do.

Both voices feel completely rational. That’s what makes this so hard — there’s no chart pattern, no headline, no gut feeling that reliably tells you which voice is right. This is exactly the situation people mean when they talk about being “stuck on the mountain” — holding on, not because you have a plan, but because neither option feels safe.

Here’s the good news: you don’t need to guess which voice is right. You need a different question entirely.

The question that actually matters

A 20% drop by itself tells you almost nothing about what to do next. What matters is why it dropped, and whether that reason changes anything about the plan you had when you bought it. There are really only two possibilities, and they lead to two completely different answers:

Possibility 1: The drop is normal market volatility, and nothing about the ETF itself has changed. The fund still holds what it held, still does what it was designed to do, and the broader reasons you picked it — diversification, low fees, the strategy behind it — are all still true. In this case, a 20% drop isn’t a signal to sell. It’s just what markets do sometimes. Broad market indexes have dropped 20% or more many times over the decades and gone on to reach new highs every single time, though of course past patterns don’t guarantee future ones.

Possibility 2: Something has genuinely changed. The fund changed strategy, the fees jumped, the sector it tracks is structurally declining, or — being honest with yourself — you never really understood what you bought in the first place and picked it because it was going up at the time. In this case, the 20% drop isn’t the problem. It’s a signal that’s forcing you to notice a problem that already existed.

Almost everyone facing a loss wants to answer this with “well, is the price going to go up or down from here?” — but that’s unknowable, and it’s also the wrong question. The right question is about the fund and your own reasoning, not about tomorrow’s price.

Why your brain wants you to do the wrong thing

Two very well-documented mental habits show up hardest exactly when you’re staring at a loss:

Loss aversion turns “wait and see” into torture. A loss hurts roughly twice as much as an equivalent gain feels good, which is why holding a losing position feels so much more stressful than holding a winning one — even though, mathematically, they’re just numbers on a screen either way.

The sunk cost fallacy pulls you in two contradictory directions at once. Part of you wants to sell just to stop looking at the loss (even though the money you already put in is gone either way, whether you sell or not). Another part wants to hold — or even buy more — purely because you’ve already “invested so much,” which isn’t a reason to do anything; it’s just discomfort looking for a decision to attach itself to.

Neither instinct is about the actual merits of the ETF. Both are about how uncomfortable it feels to look at a red number. Recognizing that doesn’t make the discomfort disappear, but it does help you stop mistaking the discomfort for information.

A loss hurts roughly twice as much as an equivalent gain feels good — which is why holding a losing position feels so much more stressful than holding a winning one.

So — sell, hold, or buy more?

Once you’ve honestly answered the “did anything actually change” question, the path gets a lot clearer:

If nothing about the fund changed, and you’re still years from needing this money: Holding is usually the boring, correct answer. Selling here means turning a temporary paper loss into a permanent real one, based on a price move that has no relationship to whether your reasoning was sound. This is uncomfortable advice precisely because it asks you to do nothing while your instincts are screaming at you to act.

If nothing about the fund changed, and you have new money to invest anyway: This is the one case where a drop can work in your favor — the same dollar buys more shares at a lower price. This only makes sense as an extension of a plan you already had (like a regular monthly contribution), not as a reaction to the drop itself. Throwing extra money at a falling position specifically to “average down” and prove yourself right is a different thing entirely, and it’s worth being honest with yourself about which one you’re actually doing.

If something about the fund genuinely changed: This is the case where selling makes sense — not because the price is down, but because the reason you bought it no longer holds. The 20% is almost a coincidence here; you’d want to exit even if it were flat or up, once the thesis itself broke.

If you’re close to needing this money regardless of the reason: This is the one scenario where the calendar matters more than the thesis. If you need these funds in the next year or two, a large ETF position — even a good one — may simply be the wrong vehicle for money on that timeline, independent of whether the loss was “deserved.” That’s less an investing lesson and more a reminder to match your investments to when you’ll actually need the cash.

What if it’s a dividend ETF specifically?

If the ETF you’re holding pays dividends, it’s worth checking one more thing before you decide anything: are the dividend payments still coming, and are they still funded by the fund’s actual earnings rather than by paying out more than it’s taking in? A price drop with dividends continuing normally is a very different situation from a price drop plus a dividend cut — the second one is a stronger signal that something structural changed, not just sentiment.

A framework for the next time you’re staring at red

Separate the price move from the reason. Write down, in one sentence, why the price dropped — market-wide news, sector-specific news, or fund-specific news. This alone often clarifies more than an hour of watching the chart.
Re-read your original reason for buying. Does it still hold? If you can’t remember why you bought it, that’s useful information on its own.
Check your timeline, not your patience. Ask when you actually need this money — not how long you can emotionally tolerate the drop.
Decide once, then stop re-deciding daily. Once you’ve made a call based on the fund and your timeline, checking the price every day just reopens the same anxiety loop this article is about. You already did the thinking. Let the plan hold.

The uncomfortable truth about being “stuck”

Most of the pain of being down 20% doesn’t come from the number itself — it comes from not having decided, in advance, what would make you sell versus hold. The fix isn’t finding the right moment to act. It’s doing the thinking now, once, calmly, so the next red number doesn’t get to make the decision for you.

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A quick, honest disclaimer: I’m not a licensed financial advisor, and this isn’t personalized investment advice. It’s a framework I use and believe in, but your situation is your own — for anything specific to your finances, it’s worth talking to a qualified professional. Investing involves risk, including the potential loss of principal, and past performance doesn’t guarantee future results.

Stuck Holding a Losing ETF? Here’s How to Think It Through