MO-03 — U.S. House
We expect Republicans to win96%The call
We expect Republicans to win.
What the market is pricing
via PolymarketThe market gives the Republicans a 89% chance to win.
The market and our model both favor the Republicans, but the market is less confident — a 7-point gap.
Implied probability from live Polymarket prices, two-party-normalized · as of Aug 1, 2026 · a market price is trader sentiment, not Akashic’s forecast. See the market on Polymarket → · How implied probability works →
| Candidate | Raised |
|---|---|
| Bob OnderRIncumbent | |
| Bethany MannD |
Receipts, cash on hand, and outside (independent-expenditure) spending from the Federal Election Commission. Bars are scaled within this race. Republican-held, Solid R. Incumbent Bob Onder running for re-election (minor R challenger John Fraser). Democratic contenders include Bethany Mann, Mike Conner, Tommy Holstein, and Paul Wilson; primary not yet held. The field and its fundraising will keep updating as primaries settle and new FEC reports land.
The rating is grounded in this seat’s record on Akashic — its partisan lean, same-office history, and demographics. Read the full profile on the MO-03 place page.
| Year | Winner | Margin |
|---|---|---|
| 2024 | RepublicanR | R+26 |
| 2022 | RepublicanR | R+30 |
| 2020 | RepublicanR | R+41 |
| 2018 | RepublicanR | R+32 |
| 2016 | RepublicanR | R+40 |
| 2014 | RepublicanR | R+41 |
On election night this page will show the live result beside the call; after certification it joins the permanent record and is scored. · All U.S. House races →