# Will Iowa Governor winner be Democratic party and Iowa Senate winner be Democratic party

> Zach Lahn and Ashley Hinson win leads at 36%, runner-up 29% across 4 winner-take-all outcomes — refreshed 13 min ago.

URL: https://simplefunctions.dev/odds/iasengovcombo
Updated: 2026-07-14T08:20:51.707Z
Category: politics · Topic: election-2026
Status: active
Closes: 2027-11-03

## Headline

- Leader: Zach Lahn and Ashley Hinson win at 36%
- Runner-up: Rob Sand and Ashley Hinson win at 29%
- Outcomes: 4 (winner-take-all)
- Venue: Kalshi (4 contracts)
- 24h volume: $76

## Bound contracts (4)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Zach Lahn and Ashley Hinson win | 36¢ | −1pp | $0 | kalshi | /markets/will-iowa-governor-winner-be-republican-party-and-kalshi-kxiasengovcombo-26nov-reprep |
| Rob Sand and Ashley Hinson win | 29¢ | +2pp | $61 | kalshi | /markets/will-iowa-governor-winner-be-democratic-party-and-kalshi-kxiasengovcombo-26nov-demrep |
| Rob Sand and Josh Turek win | 27¢ | −4pp | $15 | kalshi | /markets/will-iowa-governor-winner-be-democratic-party-and-kalshi-kxiasengovcombo-26nov-demdem |
| Zach Lahn and Josh Turek win | 3¢ | ±0 | $0 | kalshi | /markets/will-iowa-governor-winner-be-republican-party-and-kalshi-kxiasengovcombo-26nov-repdem |

## 30-day trajectory

| Day | Zach Lahn and Ashley Hinson win | Rob Sand and Ashley Hinson win | Rob Sand and Josh Turek win |
|---|---|---|---|
| 2026-07-07 | 51 | 8 | 37 |
| 2026-07-08 | 44 | 15 | 31 |
| 2026-07-09 | 44 | 17 | 32 |
| 2026-07-12 | 37 | 19 | 32 |
| 2026-07-13 | 36 | 26 | 28 |
| 2026-07-14 | — | 28 | — |

_6 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## What moved the line

- 2026-07-08 · Rob Sand and Ashley Hinson win +7pp 8→15¢ · kalshi
- 2026-07-13 · Rob Sand and Ashley Hinson win +7pp 19→26¢ · kalshi
- 2026-07-08 · Zach Lahn and Ashley Hinson win −7pp 51→44¢ · kalshi
- 2026-07-12 · Zach Lahn and Ashley Hinson win −7pp 44→37¢ · kalshi
- 2026-07-08 · Rob Sand and Josh Turek win −6pp 37→31¢ · kalshi

## Analysis

This probability represents the likelihood that both Iowa's next governor and U.S. Senate winner will be Democrats. Currently priced at 49%, it reflects the leading outcome in a four-way race covering all partisan combinations for these two offices. Iowa's political leanings have shifted rightward in recent cycles, making split-ticket outcomes more probable than a Democratic sweep. The price reflects uncertainty around 2026 candidate strength and prevailing economic conditions closer to the election. Key dynamics include Democratic candidate viability in a state trending Republican, and whether any national political environment shift occurs before November 2026. Election Day 2026 will resolve this uncertainty.

### Key factors

- Iowa has voted Republican in the last three presidential cycles (2016, 2020), establishing a baseline Republican lean in statewide elections
- Democratic probability of 49% implies markets estimate Republicans slightly favored but without overwhelming dominance in this two-office combination
- The Republican-sweep scenario (49%) and Democratic-sweep scenario (36%) are the market's two largest outcomes, suggesting straight-ticket voting patterns dominate
- 24-hour trading volume concentrates on the mixed outcomes ($1,900 on Sand-Hinson), indicating this contract attracts more active hedging or opinion flow than pure outcomes
- November 2026 general election date represents the sole resolution mechanism with no intervening primaries or major scheduled events before then that typically shift statewide race expectations

## Methodology

Headline is the **leader's price**, not an arithmetic mean — averaging disjoint winner-take-all outcomes is meaningless. Per-outcome prices come from the venue's last-traded mid; cross-venue values are simple means across contracts on each venue.

## How to use this data

- HTML: https://simplefunctions.dev/odds/iasengovcombo
- JSON: https://simplefunctions.dev/api/public/odds?slug=iasengovcombo
- Topic hub: https://simplefunctions.dev/predictions/election-2026

## License

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