Why Selling a Losing Investment Feels Harder Than It Should

Behavioral economists Daniel Kahneman and Amos Tversky spent decades studying how people actually make decisions under uncertainty, rather than how a textbook says they should, and a well documented finding from that work is called loss aversion. Losing a hundred dollars feels roughly twice as painful as gaining a hundred dollars feels good, and that imbalance shapes financial decisions far more than most people realize. It isn't a character flaw or a sign of poor discipline, it's a wiring pattern built into how people weigh outcomes, and once you can see it, you start noticing it everywhere in your own financial life.

How It Shows Up With Investments

The clearest version I see in my advising work involves a client holding an investment that's down from where they bought it. Instead of asking what the money should be doing right now, based on where things stand today, the conversation turns into waiting for the investment to get back to even before making any decision at all. That instinct feels responsible, patient even, but it treats the original purchase price as something that still matters, when the market has no memory of what anyone paid. The value already dropped the moment the price fell, whether or not the position gets sold, that part is called an unrealized loss, it exists on paper the whole time the position is held. What selling actually does is convert that unrealized loss into a realized one, and that's the step that frees the money to do something more useful than sit and hope.

How It Shows Up Outside Investing

The same pattern shows up far beyond a brokerage account. People pay for extended warranties on purchases they'll likely never need to use, because the small, unlikely loss of paying for a repair out of pocket feels worse than the certain, larger cost of the warranty itself, even though the math rarely favors the warranty. People stay in a mortgage, a bank account, or a fee structure that's clearly costing them more than a better option down the street, because switching feels like admitting the original choice was wrong. It wasn't wrong necessarily, circumstances changed, rates changed, better options came along, and none of that requires punishing yourself by staying put.

There's a reasonable objection to raise here, that some caution around loss is healthy and even protective, and that's true. Avoiding real, permanent damage to your finances is good instinct. The distinction is between loss aversion that protects you from genuine risk and loss aversion that just protects your ego from admitting a number changed.

What To Do Instead

The fix isn't to ignore how a decision feels, feelings are useful information. The fix is to separate the emotional cost of admitting something didn't go as planned from the financial question of what to do next with the money or the account in front of you. A simple test that helps my clients is asking whether they'd make the same choice today, starting from scratch, with no history attached to it. If someone handed you this exact stock, this exact mortgage rate, or this exact warranty offer with no prior commitment, would you choose it again. If the answer is no, the history isn't a reason to keep it, it's the reason to let it go.

Jay Sexton is a finance instructor, doctoral candidate in Personal Financial Planning, and owner of Sexton Finance. He writes about the behavioral and emotional dimensions of financial decision-making at sextonfinance.com.