# Which city will host the 2028 Democratic national convention

> Boston leads at 21%, runner-up 20% across 5 winner-take-all outcomes — refreshed 26 min ago.

URL: https://simplefunctions.dev/odds/dnc28host
Updated: 2026-06-26T07:20:49.401Z
Category: general · Topic: election-2026
Status: active
Closes: 2028-08-07

## Headline

- Leader: Boston at 21%
- Runner-up: Chicago at 20%
- Outcomes: 5 (winner-take-all)
- Venue: Kalshi (5 contracts)
- 24h volume: $37

## Bound contracts (5)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Boston | 21¢ | +1pp | $10 | kalshi | /markets/which-city-will-host-the-2028-democratic-national-kalshi-kxdnc28host-28-bos |
| Chicago | 20¢ | ±0 | $2 | kalshi | /markets/which-city-will-host-the-2028-democratic-national-kalshi-kxdnc28host-28-chi |
| Atlanta | 15¢ | +3pp | $10 | kalshi | /markets/which-city-will-host-the-2028-democratic-national-kalshi-kxdnc28host-28-atl |
| Denver | 15¢ | +2pp | $5 | kalshi | /markets/which-city-will-host-the-2028-democratic-national-kalshi-kxdnc28host-28-den |
| Philadelphia | 12¢ | +3pp | $10 | kalshi | /markets/which-city-will-host-the-2028-democratic-national-kalshi-kxdnc28host-28-phl |

## 30-day trajectory

| Day | Boston | Chicago | Atlanta |
|---|---|---|---|
| 2026-05-27 | — | — | 13 |
| 2026-05-31 | 19 | 20 | 13 |
| 2026-06-12 | — | — | 13 |
| 2026-06-22 | 20 | — | — |
| 2026-06-23 | 21 | — | — |
| 2026-06-24 | — | 20 | 14 |
| 2026-06-25 | — | — | 17 |

_8 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## What moved the line

- 2026-06-24 · Denver −5pp 19→14¢ · kalshi
- 2026-06-25 · Philadelphia +3pp 11→14¢ · kalshi
- 2026-06-25 · Atlanta +3pp 14→17¢ · kalshi

## Analysis

Boston is currently priced as the most likely host for the 2028 Democratic National Convention at 20%, meaning traders estimate a one-in-five chance the party selects Boston over other candidates. The Democratic National Committee typically selects convention hosts 2-3 years in advance, weighing factors like arena capacity, local party infrastructure, and geographic strategy. Boston faces competition from Chicago, Denver, and Philadelphia—all priced between 10-19%—which have hosted recent conventions or represent key swing regions. The formal selection decision, expected in late 2026 or early 2027, represents the primary catalyst that will resolve this market. Until then, movement could reflect shifts in Democratic campaign priorities, venue availability changes, or local political developments in candidate cities.

### Key factors

- The DNC typically announces convention host cities 18-30 months before the event; a formal decision in late 2026/early 2027 would substantially narrow uncertainty
- Boston has hosted major political events but lacks recent convention experience compared to cities like Denver (2008) and Chicago (1996), which may factor into selection criteria
- Geographic distribution matters to the DNC; selecting from the Northeast (Boston, Philadelphia) versus Midwest (Chicago) versus Mountain West (Denver) reflects different strategic assumptions about battleground regions
- Arena capacity and existing infrastructure costs vary significantly—Boston's TD Garden (19,000) versus larger venues in competing cities affects feasibility and budget
- Incumbent Democratic strength in northeastern Massachusetts versus competitive margins in swing-state locations like Philadelphia or Denver may influence the committee's venue preference

## 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/dnc28host
- JSON: https://simplefunctions.dev/api/public/odds?slug=dnc28host
- Topic hub: https://simplefunctions.dev/predictions/election-2026

## License

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