Analytics
Yes is at 4%, down 3 points from 7% when the market opened on 16 Sep 2026.
The high was 13.5% on 18 Sep 2026 and the low 0.3% on 25 Sep 2026. A week ago Yes was at 4%. Its largest one-day move was 8.9 points down, to 2.6% on 21 Sep 2026.
Matt Brewer ranks seventh of the 12 outcomes in “2027 Chicago Mayoral Election”. Alexi Giannoulias leads at 67%; Brandon Johnson is at 14%.
$365.6 traded in the last 24 hours. The order book holds $3.85K, with a 7.4% gap between the best bid and the best ask. Across the latest 24 trades, $3.6 bought Yes and $169.69 bought No.
The largest Yes position is youtube-trader with 87 shares; the largest No position is Indigo Signal 2966 with 221.
Trading closes on 6 Apr 2027.
Polymarket prices as of Oct 15, 6:34 AM UTC
Daily closes of the Yes price, Polymarket CLOB, 31 points, 16 Sep 2026 – 15 Oct 2026, chart shows 0%–20%
| Observed | Yes price |
|---|---|
| 16 Sep 2026 | 7.0% |
| 15 Oct 2026 | 4.0% |
The ten largest positions on Polymarket's public holder list.
| Trader | Outcome | Shares |
|---|---|---|
| Indigo Signal 2966 | No | 220.54 |
| youtube-trader | Yes | 87.07 |
| wrongdirection | Yes | 57.17 |
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.
Official listing: polymarket.com/event/2027-chicago-mayoral-election
| AJSV | Yes | 40 |
| Numitus1994 | Yes | 25.3 |
| lolzzzlol | Yes | 9.97 |
| E23Lowriajksb9182912-as-q | Yes | 1.03 |
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
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