Smartphone displaying the Polymarket prediction market app

Why You Can’t Just Copy Polymarket’s Most Profitable Traders

Scroll a Polymarket leaderboard for five minutes and you’ll see a wallet up hundreds of thousands of dollars. The obvious move looks easy: find out what that wallet just bought, buy the same thing, collect similar gains. In practice, almost none of polymarket profitable traders can be copied this way — and understanding why also explains a bigger problem: most people trading on Polymarket don’t make money at all, copying or not.

Most Traders Don’t Make Money — Here’s the Actual Data

This isn’t a guess. Pew Research tracked almost 12,000 Polymarket accounts trading sports markets over six weeks and found that 58% of them closed the period within $100 of breakeven, win or lose. Another 9% lost more than $1,000. Just 7% made more than that. Everyone else sat in between, barely moving their own money in either direction.

Zoom out from sports to the whole platform and the pattern gets sharper, not softer: Pew’s separate analysis found that the top 1% of Polymarket accounts have captured roughly three-quarters of all profit made on the platform since 2022. Our own research into esports wallets found almost the same shape — out of over 16,000 wallets that traded at least 20 esports matches, just 2% tested as genuinely skilled at real risk, and that 2% captured 27% of all the profit winning wallets made.

That’s not a coincidence of one dataset. It shows up everywhere someone has actually measured it: a small group wins consistently, a much larger group trades constantly and ends up roughly flat, and the gap between the two isn’t about luck evening out over time. Prediction markets are close to zero-sum before fees — one trader’s profit is largely another trader’s loss, with no rising market lifting every position the way a bull run can lift a stock portfolio. If a small minority is winning decisively, that money is coming directly out of everyone else’s trades.

Outcome over six weeks Share of accounts
Finished within $100 of breakeven 58%
Lost more than $1,000 9%
Made more than $1,000 7%

Why the Leaderboard Looks Copyable But Mostly Isn’t

Here’s where copy trading comes in. If a small group wins consistently, the obvious fix is to just copy what they do. For most of the wallets actually driving those profits, that doesn’t work, for a few concrete reasons.

Speed. We recently traced exactly how one profitable esports wallet trades, and its edge depends on acting within roughly 10 to 20 seconds of a price update elsewhere in the market. By the time a trade shows up on a leaderboard, you notice it, and you click buy yourself, that window has already closed — the same research found the advantage fades to near-nothing by the time a full minute has passed. You’re not copying their trade at that point. You’re buying into whatever the price has already moved to.

The “scooper” trap. That same research found close to 2,000 wallets that technically test as statistically skilled but make almost all their money buying contracts that are already resolved, or close to it, at prices near $1.00 — for a median return of about 0.1%. On a leaderboard sorted by win rate, these wallets can look sharp. There’s nothing to copy: the entire “strategy” is watching constantly for a brief window near resolution, not a trade idea you can act on after the fact.

You can’t always tell what the trade even is. Profitable wallets often hold both sides of the same matchup at once — the “Team A wins” contract and the “Team B wins” contract — and merge or exit the pair later once the price gap closes. Seen from the outside, one of those buys looks like a confident pick. Copy just that one leg and you’ve taken on a directional bet the original wallet never actually held.

Size moves price. A large buy from a well-funded wallet shifts the market as it executes. Copying after the fact means buying at the worse price their own trade just created — on a thin esports or small-event market, that alone can erase whatever edge was left.

Our earlier project filtering 512 “profitable” wallets down to 314 ran into this directly: one of the wallets in that pool was genuinely skilled by every statistical measure, and still completely uncopyable at any realistic position size. Skill and copyability turned out to be two different questions.

The Part That Actually Is Copyable

Not every winning wallet depends on speed. Among the skilled esports wallets we studied, a smaller group — 36 wallets in that sample — made their money trading before matches even started, not during them, with a median return over 10% per trade. That style doesn’t require beating anyone to a price update; positions sit for hours, not seconds.

The catch: when we tested whether these wallets were simply front-running a sharp sportsbook’s pre-match line, the strategy lost money — an average of 8.2 cents per dollar, across 92 markets. Their edge comes from their own read on the matchup, not from a line you could copy from somewhere else. That’s a harder thing to mirror than a trade. It’s a skill, not a shortcut.

What This Means If You’re Starting Out

A few practical takeaways follow directly from this.

Treat “copy the top wallet” as entertainment, not a strategy — for the majority of leaderboard winners, by the time you can act, the edge that made the trade profitable is already gone. If speed is genuinely the edge, you need automation to compete on it at all; that’s the specific problem tools like Overdog are built to solve, mirroring positions through direct execution rather than a human manually reacting after seeing a trade. Manual, after-the-fact copying doesn’t fix a speed problem — it just adds a slower step on top of one.

Trading more often isn’t the answer either. In the Pew data, sports traders made more trades than any other group on the platform and didn’t win any more often for it. Reading a wallet’s leaderboard stats correctly and being selective about which markets you actually have an edge in will do more for your results than matching someone else’s activity level. Our breakdown of strategies that actually hold up on Polymarket goes further into what that looks like in practice.

The honest summary: a small number of traders win consistently because they’ve built a real, defensible edge — usually speed, sometimes genuine analytical skill. Everyone else, copiers included, is mostly trading against that edge rather than alongside it.

Not financial advice. Polymarket isn’t available to residents of every country. See our Disclaimer.