What is Polymarket and how does it work?
By the Cent Signals editorial desk. Reviewed June 3, 2026.
TL;DR
Polymarket is a prediction-market platform where you trade YES or NO shares on whether a future event will happen, and each share's price, between zero and one dollar, reads as the market's implied probability of that outcome. It settles in USDC on the Polygon blockchain, and markets resolve through a decentralized oracle. Cent Signals is a free, independent desk that tracks Polymarket activity and explains how prediction markets price probability, not trading advice.
How Polymarket works, step by step
The mechanics are simpler than they sound once the pieces are laid out in order:
- A market poses a clear yes-or-no question about a future event, with a defined resolution date and source.
- Each market has YES and NO shares. Their prices sit between zero and one dollar and tend to sum to about a dollar.
- You acquire the side you want to hold. The price you pay is the market's current implied probability for that outcome.
- As others trade, the price moves, so the implied probability updates with the balance of opinion and the money behind it.
- At resolution, a decentralized oracle settles the question. Winning shares are worth one dollar each; the other side is worth nothing.
The settlement asset is USDC, a dollar-pegged stablecoin, and the market lives on the Polygon blockchain, so the activity is public and inspectable. For a deeper read on the price-as-probability idea, see how to read implied probability on Polymarket.
YES shares vs NO shares, side by side
Every Polymarket position is one of two states. The table describes what each one means and how it pays out.
| Attribute | YES share | NO share |
|---|---|---|
| What you hold | A YES share in the market | A NO share in the market |
| Price meaning | Implied chance the event happens | Implied chance it does not |
| Pays out if | The event resolves YES | The event resolves NO |
| Value at resolution | $1.00 if YES, else $0.00 | $1.00 if NO, else $0.00 |
What the price tells you, and what it does not
A Polymarket price is the crowd's implied probability, not a guarantee. It reflects what the people trading believe, weighted by how much they are willing to stake. A price carries more information when more volume and deeper liquidity stand behind it, because a thinly traded market can show a number that a single small order would move. That is why Cent Signals concentrates on markets with real activity. You can see a live example on the market on a 50-plus basis point Fed rate cut after the June 2026 meeting, where the price reads as the market's implied chance as of the latest snapshot.
Polymarket compared with Kalshi
Polymarket is often mentioned alongside Kalshi, another prediction-market platform. As of 2026 the two differ in regulatory structure and in how they resolve markets: Kalshi is a CFTC-regulated Designated Contract Market domiciled in the United States, while Polymarket is an on-chain market on Polygon that received a 2026 CFTC amended designation for a US exchange. For the full factual side by side on regulator status, settlement, fees, regions, and resolution source, see Polymarket vs Kalshi, explained.
Frequently asked questions
What is Polymarket in simple terms?
Polymarket is a prediction-market platform where people take positions on whether a future event will happen. Each event has YES and NO shares priced between zero and one dollar, and the price reads as the market's implied probability of the outcome. A YES share at sixty cents corresponds to roughly a sixty percent implied chance. When the event resolves, the winning side is worth one dollar per share and the other side is worth nothing.
How does Polymarket actually work?
Polymarket runs on the Polygon blockchain and settles in the USDC stablecoin. A participant holds YES or NO shares in a market; the live price of those shares moves as people trade, and that price is the crowd's current implied probability. Markets resolve through a decentralized oracle using the UMA dispute system, after which winning shares pay out one dollar each. Cent Signals reads these public prices and explains them, as of the latest snapshot.
Is a Polymarket price the same as a probability?
Close to it. A share that pays one dollar if an outcome happens and nothing if it does not is worth its probability times one dollar, so the price in cents reads directly as an implied percentage. Eight cents is about an eight percent implied chance. The figure reflects the balance of opinion among the people trading, weighted by how much they stake. It is the market's implied probability, not a forecast from Cent Signals.
Is Polymarket the same as Kalshi?
No. Both price real-world events as probabilities, but they differ in structure. As of 2026, Kalshi is a CFTC-regulated Designated Contract Market domiciled in the United States, while Polymarket is an on-chain market settling in USDC on Polygon that received a 2026 CFTC amended designation for a US exchange. They also resolve markets differently. The factual side-by-side is laid out on the Polymarket vs Kalshi page.
What does Cent Signals do with Polymarket data?
Cent Signals is an independent editorial desk. It reads public Polymarket data, the prices, volume, liquidity, and the wallets that transact large notional, and explains what those figures describe. It surfaces markets where pricing diverges from a simple sanity heuristic and reports them as observations. It does not accept orders, custody funds, route trades, or connect wallets, and nothing on it is advice.
Related reading
This explainer is editorial reference about how a public prediction-market platform works. It is not financial advice, a tip, or a recommendation to take any position, and Cent Signals does not facilitate trades. For how the Polymarket figures on this site are collected, see the methodology page.