TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Elections
CO-03 Democratic nominee?
kalshi

CO-03 Democratic nominee?

Volume:
$72,404

Dwayne Romero

 - Kalshi

Dwayne Romero - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 1, 2026

Closed: Jun 30, 10:12 PM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Dwayne Romero

View
100%
Yes 100¢No 0¢
100¢
N/A
$25,434
N/A
N/A
$14,170
1mo 4d
Yes
kalshi

Alex Kelloff

0%
Yes 0¢No 100¢
100¢
N/A
$46,970
N/A
N/A
$15,507
1mo 4d
No
Total markets: 2

Intro

This market tracks which candidate will secure the Democratic Party nomination for Colorado's 3rd congressional district House seat in 2026. On Kalshi, Alex Kelloff holds 60.0% probability of winning the nomination, while Dwayne Romero stands at 47.0%. The market resolves according to the official Democratic Party nomination outcome for the CO-03 race. Watch the primary election process and candidate announcements leading up to the November 2026 general election, which will determine the final nominee.

Kalshi

The market resolves to Yes for whichever candidate wins the Democratic Party nomination for the 2026 CO-03 House seat. Each candidate outcome represents a potential nominee, and exactly one will secure the party's endorsement and ballot position for the general election.

Frequently asked questions

The CO-03 Democratic nominee dashboard on Kalshi tracks real-time odds and historical price movements for who will become the Democratic nominee in Colorado's 3rd congressional district. The dashboard displays the current probability for the leading outcome, $72,404 in total trading volume, and $48,217 in 24-hour volume. Users can monitor how odds shift as new campaign developments, endorsements, and polling data emerge. This single-venue tracker provides a live window into market sentiment on the Democratic primary race in CO-03.

Prediction market odds on Kalshi often diverge from traditional polling because traders incorporate real-time information, campaign momentum, and insider knowledge that polls may lag. While polls capture voter preference at a single moment, prediction markets continuously update as new events occur—such as candidate announcements, debate performance, or fundraising reports. The CO-03 Democratic nominee market reflects aggregated trader conviction rather than a snapshot of voter opinion. Comparing the two reveals whether the market is pricing in dynamics that public polling has not yet captured.

The CO-03 Democratic nominee market resolves on Nov 3, 2026. Resolution is determined by the official outcome of the Democratic primary process in Colorado's 3rd congressional district. The market will settle based on which candidate is formally designated as the Democratic nominee for the general election. Traders should monitor official Colorado Democratic Party announcements and state election authority filings to track the path to resolution.

Key catalysts for CO-03 Democratic nominee odds include candidate endorsements from party leaders and grassroots organizations, debate performances, fundraising announcements, and polling releases. Campaign staff changes, scandals, or withdrawals can trigger sharp repricing. Local media coverage and voter turnout models also influence trader positioning. Primary election dates in neighboring states often shift sentiment about viability. Unexpected donor commitments or grassroots mobilization events can move odds significantly. Traders monitor both statewide Colorado political trends and district-specific dynamics to anticipate nominee shifts.