← All races
U.S. House · Illinois · Nov 3 · 7 days out
Illinois House, district 12
Mike Bost (Republican, incumbent) against Julie Fortier (Democrat).
Where they stand · 46 points apart
Fortier is an estimateSolid is a voting record; hollow is read from the campaign’s own words. Biggest gaps first.
Mike BostrecordJulie Fortierestimate
Money
FEC to Sep 30RaisedBost$1.6MFortier$159kItemized, named donorsBost$515kFortier$68kNamed donorsBost393Fortier144Itemized from IllinoisBost65%Fortier97%
The FEC doesn't name donors who give under $200, so their gifts count in Raised but not Itemized.
In their own words
Campaign sites and X“Conservative Leadership for Southern Illinois”
“A FRESH VOICe For Southern Illinois.”
“our country must move towards a universal care option” Fortier · Campaign site · Invalid Date · ↗
All market contracts · Kalshi and Polymarket · 4
| Candidate | Platform | Contract | Bid | Ask | Last | Volume | |
|---|---|---|---|---|---|---|---|
| Mike Bost | Kalshi | Republican wins | 95% | 97% | 97% | $6,461 | Open ↗ |
| Mike Bost | Polymarket | Republican wins | 96% | 98% | 96% | $14,964 | Open ↗ |
| Julie Fortier | Kalshi | Democrat wins | 3% | 5% | 2% | $2,811 | Open ↗ |
| Julie Fortier | Polymarket | Democrat wins | 1% | 4% | 4% | $11,160 | Open ↗ |
Prices in cents on the dollar, read Oct 27, 2026. A party contract pays if that party wins the seat.
Also on the Illinois ballot
All 18 →Statement estimate · odds are a market close, not a poll