Sports prediction markets

Sports prediction markets turn questions like “Who wins the match?” or “Who will be champion?” into Yes/No contracts that pay $1 if the outcome happens. The price moves with every goal, injury and lineup change, and reads as an implied probability.

Updated: 1 November 2026. Educational material, not financial advice. Astra Quant is independent and not the official Polymarket site.

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Types of sports markets

Match winner — one contract per team (and sometimes a draw). Prices across all outcomes add up to roughly 100%.
Futures — season or tournament winners, for example a league champion or a world championship. These run for weeks or months.
Props and totals — over/under on goals or points, player achievements, margin of victory, depending on what is listed.
Esports — tournaments and matches in major titles, priced the same way.

Reading sports odds as probabilities

If a team’s Yes contract trades at 62¢, the market gives it about a 62% chance of winning. In decimal odds that is 1 / 0.62 ≈ 1.61. Because a prediction market price comes from traders on both sides rather than from a bookmaker’s margin, the cleanest probability is the mid-point between the bid and the ask. The full explanation is in How prediction market odds work; the calculator converts any price to payout and profit.

How sports markets differ from betting with a bookmaker

Who sets the price. A bookmaker sets odds and takes the other side. In a prediction market the price is where buyers and sellers meet.
Exiting early. You can usually sell your contract before the final whistle at the current price — for example to lock in a gain after an early goal.
Transparency. Volume and liquidity are visible, so you can see how much money stands behind a price.

More detail: Prediction market or bookmaker (Russian).

Live (in-play) prices

During a match, prices react to events in real time. A goal can move a team from 45¢ to 75¢ in seconds; a red card or injury can do the opposite. Near the end of a game the leading side often trades above 90¢. Live markets are where spread and speed matter most: if data lags or the spread is wide, the price you see may not be the price you get. Astra Quant’s Live page shows current sports and esports events with odds, liquidity and spread.

What to check before a sports trade

The rules. Does the market count regular time only, or extra time and penalties? What happens if the game is postponed or abandoned?
Team news. Lineups and injuries often move prices shortly before kick-off.
Liquidity. Big leagues and finals usually have deep markets; small matches may not.
Time to close. Futures tie up funds for a long time; match markets resolve within hours.
Your estimate vs the price. Only trade if you have a reason to think the price is wrong.

Futures: reading a tournament market

A tournament market is a set of Yes/No contracts, one per team. A favourite at 30¢ still has a 70% chance of not winning. As teams are eliminated their contracts go to 0¢ and the remaining contracts rise. Watching how prices change round by round is one of the clearest ways to understand how markets update on new information.

Sports markets on Astra Quant

The sports topic page lists current sports markets with their leading price, volume and liquidity. Prices are based on public Polymarket data and update automatically; Astra Quant is independent and not the official Polymarket site. Trading uses ASC tokens, and new accounts get 1000 ASCD demo tokens (virtual, no monetary value) to practise on.

The live example below is a current sports market from the site’s own feed. Open it to see the chart and rules, or try it in demo mode. New to the format? Read How to read a Yes/No market.

Frequently asked questions

How do sports prediction markets work?

Each outcome, such as a team winning, is a contract that pays $1 if it happens. The contract price shows the implied probability, and you can usually sell before the event ends.

How is this different from a bookmaker?

A bookmaker sets odds and takes the other side; a prediction market price is set by traders, and liquidity and volume are visible.

Do sports markets include extra time?

It depends on the rules of each market. Always read whether regular time, extra time or penalties count.

New accounts receive 1000 ASCD demo tokens — virtual, with no monetary value.

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