Guide

How to evaluate a Polymarket wallet

An address tells you nothing; its record tells you almost everything the chain can. This guide reads three real wallets the way their pages should be read — PnL first, then the win rate and its sample, then volume, breadth, and what none of it can say.

Three real wallets

Real addresses, real records, deliberately different from each other.

The figures below were read from the PolyTrace API on 1 August 2026, 22:20 UTC. They are lifetime totals except where a window is stated, and they will have moved by the time you read this — each address links to its live page, which is the current record.

  • Wallet A — 0xfea3…d227 (“ndb1” on Polymarket). Total PnL +$2.93M ($2.90M of it realised), on $108.2M of lifetime volume across 274 markets. Classified as a high-frequency wallet; no published win rate and no PolyTrace Score.
  • Wallet B — 0xe907…cff6 (“suntori”). Total PnL −$7.35M, almost all realised, on $667.8M of volume across 2,601 markets. Tagged whale, diversified, active — and loss maker. No published win rate, no score.
  • Wallet C — 0x8f42…b88f. Total PnL +$552k on $13.5M of volume across 720 markets, with a win rate of 83.6% over 140 decided positions in the trailing 180 days, and a PolyTrace Score of 97.

On raw size, B is the biggest wallet on this page by a factor of six. By the end of the guide it should be clear why size is the least of what these records say.

Start with PnL — and split it

One number, two very different components: realised and unrealised.

Realised PnL is the result of positions that closed or resolved: money actually made or lost. Unrealised PnL is the current mark-to-market of open positions — it moves with prices and can vanish. A profile whose profit is mostly unrealised is a bet still in flight, not a record.

At the snapshot, wallet A’s +$2.93M was almost entirely realised ($2.90M), with $32k riding on open positions — banked profit, not paper. Wallet B’s −$7.35M was likewise realised: not an open position waiting to recover, but losses already taken. Sign and composition together tell you more than the headline number alone.

What PnL cannot do is normalise for size. B lost $7.35M, but against $667.8M of volume that is roughly a 1% bleed — heavy, sustained, and very different from a small wallet losing the same fraction on wild bets. Always read PnL next to volume, which is where this guide goes after the win rate.

A win rate without a sample is a rumor

The single most misread figure on any leaderboard, here or anywhere.

PolyTrace measures win rate over the trailing 180 days, counting only decided positions — those that resolved one way or the other — and publishes no rate at all below 20 decided positions, or when a wallet’s history is too long to read completely across the window. The figure is withheld rather than shown as zero, because a withheld rate and a bad rate are opposite facts. The exact rules are in the methodology.

That is why two of the three wallets here — including A, with $108M traded and millions banked — show no win rate at all. Wallet C shows 83.6%, and the number worth quoting is not 83.6% but “83.6% of 140 decided positions”: a rate that would survive a bad month, not three lucky calls dressed as a streak.

One reading discipline, stated as opinion: a high hit rate is not high returns. Prediction-market favorites resolve as wins constantly — a wallet that buys 90¢ outcomes will post a splendid win rate while earning cents on the dollar. PolyTrace states this limit openly: the published score does not yet weight wins by the odds at entry, so read a high rate as consistency, never as a multiplier.

Volume is size, not skill

The whale tag describes how much a wallet trades. Nothing else.

Wallet B is the cautionary case this whole page exists for: $667.8M of volume, activity across 2,601 markets, the whale tag — and $7.35M of realised losses. On any ranking sorted by size it would look like the wallet most worth following. Volume measures presence in the market; it says nothing about which direction the money went when it left.

Volume does have honest uses. It tells you a record is not a fluke of five trades; it scales the PnL (A’s +$2.93M on $108M is a materially better ratio than the same profit on $1B would be); and sustained volume means the wallet is still in the game. Just never let it stand in for results — the distinction between a whale and smart money is written down precisely in the methodology.

Breadth: specialist or spray

How many distinct markets the record actually covers.

The median wallet PolyTrace tracks has traded 33 distinct markets. Against that, A’s 274 markets describe a focused high-frequency operation, C’s 720 a genuinely diversified record — profitable across many uncorrelated questions, which is harder to do by luck — and B’s 2,601 an industrial footprint that made its losses everywhere at once.

Breadth is context, not virtue. A specialist with 40 markets and a strong rate in one category can be a better signal in that category than a generalist’s average. What breadth guards against is the opposite illusion: a perfect-looking record built entirely inside one lucky theme. The markets these records are built across are all on the tracked market list, ranked by whale flow.

The score — and why two of these wallets have none

One 0–100 number, and a deliberate refusal to guess.

The PolyTrace Score combines profitability, skill, breadth, and recency into a single 0–100 figure — wallet C’s 97 says its record is strong on all four at once. But the more instructive fact on this page is that wallets A and B are unrated, not scored low. A wallet that cannot be given a trustworthy win rate gets no score at all, because ranking an unknown below a demonstrably bad wallet is a claim the data does not support. About two thirds of tracked profiles are unrated on this basis.

So the reading order for any wallet page is: PnL split, then win rate with its sample, then volume and breadth as context, then the score as a summary — and an absent figure read as “not enough evidence”, never as a verdict. Every term used here is defined in the glossary.

What a wallet page cannot tell you

Limits first, conclusions second.

  • Who is behind it. Profiles key on Polymarket proxy wallets — the addresses Polymarket exposes publicly. One person can run several, and no tracker joins them.
  • Why a trade happened. A record measures outcomes, not intentions — hedges, exits, and market-making all leave the same kind of fills. Some strategies (market-making above all) make win rate the wrong question entirely.
  • What happens next. Every figure here describes past trades. Strong records revert, styles stop working, and copying a trade after it prints means entering at a worse price than the wallet you are copying. Nothing on this page is financial advice.

To try this on a live record: look up any wallet on the trader leaderboard — it accepts an address, an @username, or a Polymarket profile URL — or start from what whales are doing right now on the whale tracker and the live feed. How those trades are captured in the first place is the companion guide: how to track Polymarket whales. For where whale money went over a whole week, see the weekly reports.

How to Evaluate a Polymarket Wallet — PnL, win rate, sample size | PolyTrace