TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Elections
Mamdani NYC primary endorsements combo
kalshi

Mamdani NYC primary endorsements combo

Volume:
$192,650

Valdez wins, Lander wins, Chevalier wins

 - Kalshi

Valdez wins, Lander wins, Chevalier wins - Kalshi

1W

News

Positive

Negative

Neutral

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Vol.

·

Resolved Jun 24, 2026

Closed: Jun 23, 10:56 PM EST

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Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Valdez wins, Lander wins, Chevalier wins

View
100%
Yes 100¢No 0¢
100¢
N/A
$52,166
N/A
N/A
$28,336
1mo 1d
Yes
kalshi

Valdez wins, Lander wins, Chevalier loses

0%
Yes 0¢No 100¢
100¢
N/A
$45,812
N/A
N/A
$20,688
1mo 1d
No
kalshi

Valdez loses, Lander wins, Chevalier loses

0%
Yes 0¢No 100¢
100¢
N/A
$22,191
N/A
N/A
$16,169
1mo 1d
No
kalshi

Valdez loses, Lander wins, Chevalier wins

0%
Yes 0¢No 100¢
100¢
N/A
$18,424
N/A
N/A
$10,444
1mo 1d
No
kalshi

Valdez wins, Lander loses, Chevalier wins

0%
Yes 0¢No 100¢
100¢
N/A
$16,773
N/A
N/A
$8,149
1mo 1d
No
kalshi

Valdez loses, Lander loses, Chevalier loses

0%
Yes 0¢No 100¢
100¢
N/A
$15,127
N/A
N/A
$8,119
1mo 1d
No
kalshi

Valdez loses, Lander loses, Chevalier wins

0%
Yes 0¢No 100¢
100¢
N/A
$11,234
N/A
N/A
$7,422
1mo 1d
No
kalshi

Valdez wins, Lander loses, Chevalier loses

0%
Yes 0¢No 100¢
100¢
N/A
$10,922
N/A
N/A
$5,704
1mo 1d
No
Total markets: 8

Description

These markets track the outcomes of three New York Democratic primary elections scheduled before September 2026: Claire Valdez in NY-07, Brad Lander in NY-10, and Darializa Avila Chevalier in NY-13. Each market corresponds to a specific combination of primary results across these three races.

Kalshi

This event comprises combination markets that resolve based on the simultaneous outcomes of three separate Democratic primary elections in New York congressional districts. Each market resolves to Yes if a specific combination of victories and defeats occurs across all three races before September 2026. All conditions must be satisfied concurrently for any market to pay out; if any single component outcome fails to occur or becomes impossible, that market immediately resolves to No. Resolution follows the standard Kalshi USELECTION ruleset for each individual primary race. The event structure ensures that exactly one market will resolve to Yes, corresponding to whichever combination of primary results actually occurs.

Frequently asked questions

On Kalshi, the Mamdani primary endorsements market dashboard tracks real-time odds and historical price movements for outcomes tied to endorsement announcements in this race. The interface displays current implied probabilities for each potential endorsement scenario, along with 24-hour trading volume and depth-of-book data. Traders use this dashboard to monitor how market sentiment shifts as new information emerges, allowing you to see which endorsement outcomes are gaining or losing conviction among participants. The dashboard updates continuously during market hours, providing a live window into collective expectations around primary endorsement developments.

Prediction market odds often diverge from traditional analyst forecasts because they reflect real-money incentives and continuous price discovery rather than point-in-time opinions. Analysts may issue endorsement predictions based on historical patterns or insider commentary, while this market aggregates the views of traders who face financial consequences for accuracy. When major news breaks—such as a candidate's policy shift or a key endorser's public statement—market odds typically adjust faster than published analyst updates. Comparing the two can reveal where consensus is strongest and where uncertainty remains highest.

On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares representing each endorsement outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share trades between 0 and 100 cents, with the price reflecting the implied probability that outcome will occur. When you place a buy or sell order, it either matches against existing liquidity or sits in the book awaiting a counterparty. The spread between bid and ask prices tightens as volume increases, making it easier to enter or exit positions as the market approaches resolution.

This market resolves around Oct 31, 2026, at which point the outcome will be confirmed based on verifiable public reporting of endorsement announcements. The winning outcome is determined by which endorsement scenario actually occurs during the primary period covered by the market. Once the event is confirmed through credible news sources and official statements, the market settles and traders' positions are finalized. Until that date, odds will continue to shift as new information and campaign developments emerge.

Key catalysts include official endorsement announcements from prominent political figures, shifts in candidate momentum from polling or debate performance, and unexpected campaign developments that alter endorser calculations. Media coverage of endorsement negotiations or leaked information about potential supporters can also trigger sharp price moves. Changes in the primary calendar, candidate withdrawals, or major policy announcements may influence which endorsements seem likely. Additionally, social media activity and grassroots organizing efforts can signal shifting dynamics that traders incorporate into their positions ahead of formal endorsement news.