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Explainer · live examples updated September 24, 2026, twice a day
Multi-outcome markets — who wins an election, which team takes a title, which range a number lands in — list many possible answers. Polymarket runs each answer as its own yes/no market, and exactly one of them resolves Yes.
That is why the prices of all outcomes add up to about $1: together they cover every possibility. Buying “No” on a favourite is a bet that any other outcome wins.
25 bps increase 64.5% · 5 live outcomes · $1.29M traded in 24h
Rules excerpt from Polymarket: “The FED interest rates are defined in this market by the upper bound of the target federal funds range. The decisions on the target federal funds range are made by the Federal Open Market Committee (FOMC) meetings. This market will resolve to the amount of basis points the upper bound of the target federal funds rate is changed by versus the level it was prior to the Federal Reserve's October 2026 meeting. If the …”
Barcelona 22.5% · 36 live outcomes · $519.6K traded in 24h
Rules excerpt from Polymarket: “This market will resolve according to the team that wins the 2026-27 UEFA Champions League Championship. If at any point it becomes impossible for a listed team to win the 2026-27 UEFA Champions League Championship per the rules of UEFA Champions League (e.g., they are eliminated in the playoffs), the corresponding market will resolve to "No". If the 2026-27 UEFA Champions League season is cancelled, postponed after …”
Flávio Bolsonaro 57.4% · 19 live outcomes · $460.8K traded in 24h
Rules excerpt from Polymarket: “A presidential election is scheduled to take place in Brazil on October 4, 2026. This market will resolve according to the listed candidate that wins this election. This market includes any potential second round. If the result of this election isn't known by June 30, 2027, 11:59 PM ET, the market will resolve to "Other". This market will resolve based on the result of the election as indicated by a consensus of …”
The rules text on each market is what decides the outcome. Our market pages summarise it under “How this market resolves”, and how Polymarket resolves markets explains proposals, disputes and payout times.
Live odds: 2028 Presidential Election odds · NFL odds · Awards odds
Because exactly one of them will resolve Yes; each outcome's price is its probability, so the probabilities together cover every possible result (spreads make the sum drift slightly above 100%).
Yes — buy its “No” share, which pays $1 if any other outcome wins.
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