2027 Chicago Mayoral Election Odds
Polymarket traders give Alexi Giannoulias a 74% chance (Kalshi: 73%).
| Outcome | Chance | Odds | 24h | Kalshi |
|---|---|---|---|---|
| Alexi Giannoulias | 74% | -285 | ▲ 1 | 73% |
| Danielle Carter-Walters | 10% | +910 | ▲ 2 | — |
| Brandon Johnson | 9% | +1076 | ▼ 1 | 9% |
| Susana Mendoza | 6% | +1526 | — | — |
| John Kelly | 5% | +1752 | — | — |
| Matt Brewer | 3% | +3025 | — | — |
| Joe Holberg | 3% | +3233 | — | 5% |
| Maria Pappas | <1% | +11665 | ▼ 3 | 3% |
| Kam Buckner | <1% | +13233 | — | <1% |
| George Cardenas | <1% | +16567 | — | — |
| Mike Quigley | <1% | +18082 | — | — |
| Willie Wilson | <1% | +18082 | — | — |
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Price history
On Kalshi
The same question also trades on Kalshi. Check the resolution rules before comparing prices: small wording differences change what pays out.
Resolution rules
The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027. This market will resolve according to the candidate that wins the election. The primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.
Source: Polymarket. The venue's rules are final.
FAQ
Who is favored in 2027 Chicago Mayoral Election?
As of Nov 8, 7:00 AM EST, traders on Polymarket price Alexi Giannoulias at 74%, about -285 in American odds. On Kalshi the same outcome trades at 73%. Prices move with every trade.
How are prediction market odds calculated?
Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.
When does this market close?
Polymarket lists Feb 23, 2027 as the end date. It can close earlier if the outcome is decided.
Where can I trade on 2027 Chicago Mayoral Election?
This market trades on Polymarket and a matching market trades on Kalshi. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.