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Explainer · live examples updated November 9, 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.
Gen.G 64.5% · 3 live outcomes · $975.4K traded in 24h
Rules excerpt from Polymarket: “This market will resolve according to the winner of the 2026 League of Legends World Championship (Worlds 2026), currently scheduled for October 15 to November 14, 2026. If this tournament is postponed after November 28, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other". If multiple teams are declared winners, this market will resolve in favor …”
Jon Ossoff 25.9% · 56 live outcomes · $845.6K traded in 24h
Rules excerpt from Polymarket: “This market will resolve to “Yes” if the named individual wins and accepts the 2028 nomination of the Democratic Party for U.S. president. Otherwise, this market will resolve to “No”. The resolution source for this market will be a consensus of official Democratic Party sources. Any replacement of the democratic nominee before election day will not change the resolution of the market.”
Marine Le Pen 45.6% · 45 live outcomes · $750.7K traded in 24h
Rules excerpt from Polymarket: “The next French presidential election is currently expected to be held around April 2027. This market pertains to the outcome of the next French presidential election, regardless of whether it follows the scheduled end of the current term or is held earlier. The President of France is elected via a two-round system; a candidate must secure over 50% of the vote to win outright in the first round. If no candidate …”
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
Work it out: overround calculator.
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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