# Will the margin of victory for Republicans in the U.S. Senate election in Mississippi be at least 23 percentage points

> Republicans, 26+ pts leads at 91%, runner-up 84% across 19 winner-take-all outcomes — refreshed 2 min ago.

URL: https://simplefunctions.dev/odds/midtermmov
Updated: 2026-05-03T15:20:54.274Z
Category: politics · Topic: election-2026
Status: active
Closes: 2027-11-03

## Headline

- Leader: Republicans, 26+ pts at 91%
- Runner-up: Republicans, 30+ pts at 84%
- Outcomes: 19 (winner-take-all)
- Venue: Kalshi (19 contracts)
- 24h volume: $7K

## Bound contracts (19)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Republicans, 26+ pts | 91¢ | −1pp | $414 | kalshi | /markets/will-the-margin-of-victory-for-republicans-in-the-kalshi-kxmidtermmov-wysenr-p26 |
| Republicans, 30+ pts | 84¢ | ±0 | $0 | kalshi | /markets/will-the-margin-of-victory-for-republicans-in-the-kalshi-kxmidtermmov-wysenr-p30 |
| Democrats, 11+ pts | 63¢ | −3pp | $684 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-us-kalshi-kxmidtermmov-mnsend-p11 |
| Democrats, 6+ pts | 53¢ | −1pp | $305 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-us-kalshi-kxmidtermmov-gasend-p6 |
| Republicans, 3+ pts | 36¢ | −7pp | $265 | kalshi | /markets/will-the-margin-of-victory-for-republicans-in-the-kalshi-kxmidtermmov-txsenr-p3 |
| Democrats, 2+ pts | 33¢ | −1pp | $364 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-us-kalshi-kxmidtermmov-ohsend-p2 |
| Democrats, 2+ pts | 24¢ | ±0 | $0 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-us-kalshi-kxmidtermmov-iasend-p2 |
| Democrats, 4+ pts | 21¢ | −4pp | $469 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-us-kalshi-kxmidtermmov-ohsend-p4 |
| Democrats, 6+ pts | 15¢ | −1pp | $442 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-us-kalshi-kxmidtermmov-ohsend-p6 |
| Republicans, 9+ pts | 14¢ | −10pp | $500 | kalshi | /markets/will-the-margin-of-victory-for-republicans-in-the-kalshi-kxmidtermmov-ohgovr-p9 |
| Democrats, 9+ pts | 12¢ | −2pp | $350 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-go-kalshi-kxmidtermmov-iagovd-p9 |
| Republicans, 6+ pts | 12¢ | −5pp | $320 | kalshi | /markets/will-the-margin-of-victory-for-republicans-in-the-kalshi-kxmidtermmov-ohsenr-p6 |
| Republicans, 1+ pts | 11¢ | −2pp | $75 | kalshi | /markets/will-the-margin-of-victory-for-republicans-in-the-kalshi-kxmidtermmov-ncsenr-p1 |
| Democrats, 3+ pts | 10¢ | +1pp | $0 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-go-kalshi-kxmidtermmov-txgovd-p3 |
| Republicans, 4+ pts | 6¢ | −6pp | $1K | kalshi | /markets/will-the-margin-of-victory-for-republicans-in-the-kalshi-kxmidtermmov-ohsenr-p4 |
| Democrats, 12+ pts | 6¢ | −4pp | $250 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-go-kalshi-kxmidtermmov-iagovd-p12 |
| Democrats, 8+ pts | 4¢ | −1pp | $950 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-us-kalshi-kxmidtermmov-ohsend-p8 |
| Republicans, 1+ pts | 4¢ | −2pp | $175 | kalshi | /markets/will-the-margin-of-victory-for-republicans-in-the-kalshi-kxmidtermmov-txsenr-p1 |
| Democrats, 6+ pts | 3¢ | −2pp | $597 | kalshi | /markets/will-the-margin-of-victory-for-democrats-in-the-go-kalshi-kxmidtermmov-flgovd-p6 |

## 30-day trajectory

| Day | Republicans, 26+ pts | Republicans, 30+ pts | Democrats, 11+ pts |
|---|---|---|---|
| 2026-04-29 | 90 | 81 | — |
| 2026-04-30 | 92 | — | 57 |
| 2026-05-01 | 91 | — | 66 |
| 2026-05-02 | — | 84 | 69 |
| 2026-05-03 | — | 84 | 66 |

_5 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## What moved the line

- 2026-04-29 · Democrats, 2+ pts +25pp 27→52¢ · kalshi
- 2026-04-30 · Democrats, 2+ pts −19pp 52→33¢ · kalshi
- 2026-04-29 · Republicans, 4+ pts +14pp 16→30¢ · kalshi
- 2026-04-30 · Democrats, 6+ pts −14pp 30→16¢ · kalshi
- 2026-04-30 · Democrats, 4+ pts −12pp 41→29¢ · kalshi

## Analysis

This contract measures whether Mississippi Republicans will win their 2026 Senate seat by a margin of 23 percentage points or more. The 92% probability reflects Mississippi's status as a reliably Republican state, where Democratic performance has consistently lagged national trends in recent cycles. The outcome depends primarily on candidate quality, turnout patterns, and whether a competitive Democratic challenger emerges to narrow the margin. The main catalyst is the general election in November 2026, which will determine the final vote totals and calculate the precise margin of victory. Historical precedent matters here: Mississippi's last few Senate elections show Republican margins ranging from 15 to 45 points depending on opponent strength, making the 23-point threshold neither certain nor particularly ambitious by state standards.

### Key factors

- Mississippi voted Republican by 16 points in 2020 presidential race; Senate races typically see higher Republican margins in the state
- Democratic candidate identity and fundraising capability will significantly affect whether they can close or exceed the 23-point gap
- Voter turnout in midterm (non-presidential) election years typically favors Republicans relative to Democratic performance
- The 23-point threshold sits between recent competitive Senate races (2014-2020 range) and landslide outcomes, making polling accuracy critical
- November 2026 general election results will provide the definitive margin; current prediction markets have limited concrete polling data this far ahead

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

## License

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