There’s a trade everyone eventually watches someone make — sometimes in the mirror. The position runs. The number gets big. Life-changing big. And then, over weeks or months, the whole thing rides back down to where it started, and the person is left holding two things: the original stake, give or take, and a lesson priced like a house.
Why do traders give back their profits? Here’s the direct answer: because a windfall without a framework is a loan, not a gain. Money that arrives faster than the skill to hold it gets recalled — not by bad luck, but by the exact psychology the gain itself creates. Entries decide whether you get paper profits. Exits decide whether you keep anything. And almost nobody plans the exit, because the exit is the unglamorous half of the only decision that matters.
Standard note before we go on: this is education and personal experience — psychology, not advice. I don’t tell anyone what to buy, sell, or hold. I’m describing the anatomy of a mistake I know from the inside.
The windfall is a loan
Think of unrealized gains as the market extending you credit — a balance it shows you to see what you’ll do next. Until a framework converts some of that number into something real, you don’t own the gain. You’re holding it, on terms you never read, and the market retains the right to call the loan at any hour of any night.
People bristle at this framing because the number is right there on the screen. But a number on a screen is a quote, not a possession — it’s what the last buyer paid, extrapolated across your whole position as if the exits were free. The distance between quoted wealth and kept wealth is precisely the skill this piece is about, and the market tests it exactly once per windfall.
Entries are a hobby; exits are the skill
Look at where the effort goes. Entries get the study, the content, the debate — because entries are hope, and hope is fun. Exits get nothing, because exits are endings, and endings force a decision between two regrets: sell and watch it keep going, or hold and watch it leave. Nobody wants to pre-order a regret, so they don’t decide at all.
Which means the exit decision eventually gets made anyway — later, live, mid-move, by the least qualified version of you available. A plan written before entry is a contract with yourself, drafted calm. A plan improvised at the top is a hostage negotiation where the hostage is your net worth and the negotiator is euphoria.
Weigh the two regrets honestly, because one of them is coming either way. The regret of exiting early is denominated in imagination — gains you can picture but never held — and imagination-regret fades, because life keeps happening and the money you kept keeps working. The regret of the round trip is denominated in reality: a number you actually saw, gone, plus the years it represented. Reality-regret compounds. Choosing between those two regrets in advance is the entire job; refuse to choose, and the market assigns you the second one by default.
Same lesson as the stove: the calm person writes; the stressed person executes. If there’s nothing written, the stressed person freelances.
My round trip
I’m not writing this from a podium. Years ago I rode a position into genuinely life-changing territory — and then rode it all the way back down. The full loop. Round trip. The numbers don’t matter and I won’t give them; the mechanism is the part worth your time, because it wasn’t a bad thesis that got me. The asset did what I thought it would do. What I never built was the other half of the plan: what happens when it works. No target, no reduce-points, no definition of enough. I had planned the being right and never planned the getting paid.
And here’s the detail I’d underline twice: at the top, I wasn’t grateful. I was extrapolating. The bigger the number got, the further away “enough” moved, because every new high made the next high feel scheduled. That’s not greed the way people imagine greed — some cackling appetite. It’s quieter. It’s the total inability to imagine the line going the other way while you’re standing on top of it.
The psychology of giving it back
Four forces run the give-back machine, and they interlock:
House money. Gains feel like the market’s chips, not yours — so they get risked with a looseness you’d never apply to your own savings. The accounting is fiction: a dollar of gain spends identically to a dollar of salary. But it doesn’t feel identical, and the feeling does the sizing.
The high-water mark. Once you’ve seen the peak number, it becomes the anchor. Every exit below it registers as a loss — not against your entry, against the peak — so you hold, waiting to get “back to even” with a number that existed for one afternoon. People will round-trip an entire gain to avoid banking eighty percent of it, because eighty percent of the peak feels like failure and zero feels like bad luck.
Identity. Somewhere during the run-up, holding became who you are — the believer, the diamond hands, the one who saw it early. Now selling isn’t a portfolio decision; it’s apostasy. The position stopped being an asset and became a membership.
Extrapolation. The feeling that the recent past is a promise about the near future. It peaks precisely at tops — crowd euphoria and personal euphoria are the same instrument — which is why the least selling happens at the best prices.
What a framework looks like
Descriptive, not prescriptive — the shape I’ve seen among people who actually keep windfalls, and the shape I eventually adopted myself:
They define “enough” before entry — in writing, while bored. They decide in advance what events or levels would make them reduce, so reducing is execution rather than betrayal. They take something meaningful off as positions grow, accepting the certain regret of watching some upside leave without them — because they’ve done the math on the other regret and it’s worse. They treat the written plan as the position, and deviations from the plan — not red days — as the thing to be alarmed by. And they judge themselves on process, because outcomes lie in both directions.
None of that is advice on any asset, ever. It’s the paperwork of keeping — boring on purpose, written by the calm version of you, executed on behalf of the euphoric one who will absolutely show up later claiming the rules don’t apply this time.
The market gives to see what you’ll do. What you do is decided long before it gives.
A windfall without a framework is a loan. Write the terms yourself, before the market writes them for you — I’ve read the market’s version, all the way down, and I don’t recommend the ride.
Tyk Sullivan
Serial entrepreneur in Tampa, Florida. Founder of Plutus Capital and NUMEN. More about Tyk →