Analytics
Yes is at 76%, up 20 points from 56.5% when the market opened on 16 Sep 2026.
Across the 38 daily closes on record from 16 Sep 2026 to 30 Oct 2026 (7 days in that span have no close), the highest close was 76% on 30 Oct 2026 and the lowest 51% on 18 Sep 2026. A week before that last close Yes was at 71%; a month before, 65%. Its largest one-day move was 6.5 points up, to 65% on 21 Sep 2026.
Alexi Giannoulias is the favourite of the 12 outcomes in “2027 Chicago Mayoral Election”, ahead of Brandon Johnson at 11%.
$620.65 traded in the last 24 hours, out of $5.62K since listing. The order book holds $13.39K, with a 2.0% gap between the best bid and the best ask. Across the latest 217 trades, $1.2K bought Yes and $675.4 bought No.
The largest Yes position is buoys with 791 shares; the largest No position is Indigo Signal 2966 with 294. Ten wallets hold 90.4% of the shares on Polymarket's public holder list.
Trading closes on 6 Apr 2027.
Polymarket prices as of Oct 30, 11:37 AM UTC
Daily closes of the Yes price, Polymarket CLOB, 38 points, 16 Sep 2026 – 30 Oct 2026, chart shows 40%–90%
| Observed | Yes price |
|---|---|
| 16 Sep 2026 | 56.5% |
| 30 Oct 2026 | 76.0% |
The ten largest positions on Polymarket's public holder list.
| Trader | Outcome | Shares |
|---|---|---|
| buoys | Yes | 790.99 |
| Indigo Signal 2966 | No | 294.27 |
| xtxpleasecallme | No | 257.75 |
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
| Antony82 | No | 200.81 |
| Fihdrzgdd | No | 125 |
| leectram2 | No | 122.15 |
| bestxx | Yes | 103.87 |
| AmericaFirst1 | Yes | 93.49 |
| Dapsy | Yes | 76.27 |
| i2dt | No | 31.22 |
Open a trader’s name to inspect the wallet’s available P&L, positions and recorded trades, with source dates and coverage. A large position alone does not establish a winning track record.
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