# Will Jon Ossoff announce a run for President of the United States before Oct 1, 2027

> Before Oct 1, 2027 leads at 50%, runner-up 31% across 4 winner-take-all outcomes — refreshed 13 min ago.

URL: https://simplefunctions.dev/odds/ossoffrun-28
Updated: 2026-09-07T11:20:56.230Z
Category: politics
Status: active
Closes: 2027-10-01

## Headline

- Leader: Before Oct 1, 2027 at 50%
- Runner-up: Before Jul 1, 2027 at 31%
- Outcomes: 4 (winner-take-all)
- Venue: Kalshi (4 contracts)
- 24h volume: $155

## Bound contracts (4)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Before Oct 1, 2027 | 50¢ | +26pp | $0 | kalshi | /markets/will-jon-ossoff-announce-a-run-for-president-of-th-kalshi-kxossoffrun-28-27oct01 |
| Before Jul 1, 2027 | 31¢ | −1pp | $0 | kalshi | /markets/will-jon-ossoff-announce-a-run-for-president-of-th-kalshi-kxossoffrun-28-27jul01 |
| Before Apr 1, 2027 | 16¢ | −1pp | $0 | kalshi | /markets/will-jon-ossoff-announce-a-run-for-president-of-th-kalshi-kxossoffrun-28-27apr01 |
| Before Jan 1, 2027 | 4¢ | −1pp | $155 | kalshi | /markets/will-jon-ossoff-announce-a-run-for-president-of-th-kalshi-kxossoffrun-28-27jan01 |

## 30-day trajectory

| Day | Before Oct 1, 2027 | Before Jul 1, 2027 | Before Apr 1, 2027 |
|---|---|---|---|
| 2026-08-12 | 17 | — | — |
| 2026-08-17 | — | — | 18 |
| 2026-08-19 | 27 | 28 | — |
| 2026-08-26 | 16 | 26 | 19 |
| 2026-08-31 | — | 31 | — |
| 2026-09-03 | 25 | 34 | 17 |
| 2026-09-05 | 51 | 32 | 18 |
| 2026-09-06 | — | 31 | 17 |

_13 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## What moved the line

- 2026-09-05 · Before Oct 1, 2027 +26pp 25→51¢ · kalshi
- 2026-08-31 · Before Jul 1, 2027 +4pp 27→31¢ · kalshi
- 2026-09-03 · Before Jul 1, 2027 +4pp 30→34¢ · kalshi
- 2026-09-04 · Before Jul 1, 2027 −3pp 34→31¢ · kalshi

## Analysis

Markets are pricing a 42% probability that Senator Jon Ossoff announces a presidential campaign before October 1, 2027. Ossoff has not publicly expressed interest in a 2028 presidential run and faces significant structural headwinds: his focus on Senate duties, limited national profile outside Georgia, and the difficulty of mounting a viable campaign against established contenders. The probability could rise if he signals ambitions through rhetoric, endorsements, or organizational steps; it could fall if he explicitly distances himself from a White House bid or commits to Senate races. The most important catalyst will be whether any candidate announcements occur between now and the deadline, as early movers typically shape the viability calculus for remaining potential candidates.

### Key factors

- Ossoff has made no public statements indicating presidential ambitions as of mid-2026, and has focused on Senate committee work and Georgia-specific priorities
- The next concrete signal would be organizational moves (hiring senior staff, travel patterns, fundraising positioning) that precede formal announcements
- Timebound resolution: announcements typically cluster after midterm elections when candidates test viability; most 2028 contenders will likely declare between late 2026 and spring 2027
- Structural constraint: Ossoff represents a single state and lacks the national committee network or executive experience typically preceding top-tier presidential bids
- Calendar pressure: the 15-month window to October 2027 is relatively short—most viable candidates announce 18-24 months before the general election

## 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/ossoffrun-28
- JSON: https://simplefunctions.dev/api/public/odds?slug=ossoffrun-28

## License

CC-BY-4.0. Attribute "SimpleFunctions" with a link to https://simplefunctions.dev. See https://simplefunctions.dev/legal for terms.