TOTAL VOLUME:

$154.8b

24H VOL:

$277,138,640

24H TRANSACTIONS:

2,984,640,614

OPEN INTEREST:

$1,905,404,943

412,077

Markets across

39,838

events

MATCHED EVENTS:

4,526

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Politics
How many people will Trump endorse on Truth Social this week? (10/17-10/23)
kalshi

How many endorsements will Trump make?

Volume:
$32,466

At least 10

 - Kalshi

At least 10 - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 21, 2026

Closed: Oct 21, 11:13 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

At least 10

View
100%
4%
Yes 100¢No 0¢
—
N/A
$12,869
N/A
N/A
$4,607
Settled
Yes
kalshi

At least 25

100%
Yes 100¢No 0¢
—
N/A
$5,128
N/A
N/A
$3,034
Settled
Yes
kalshi

At least 15

100%
22%
Yes 100¢No 0¢
—
N/A
$4,136
N/A
N/A
$1,564
Settled
Yes
kalshi

At least 20

100%
47%
Yes 100¢No 0¢
—
N/A
$3,146
N/A
N/A
$1,352
Settled
Yes
kalshi

At least 30

100%
80%
Yes 100¢No 0¢
—
N/A
$2,546
N/A
N/A
$1,792
Settled
Yes
kalshi

At least 3

100%
Yes 100¢No 0¢
—
N/A
$2,491
N/A
N/A
$2,241
Settled
Yes
kalshi

At least 5

100%
Yes 100¢No 0¢
—
N/A
$1,359
N/A
N/A
$1,359
Settled
Yes
kalshi

At least 35

100%
Yes 100¢No 0¢
—
N/A
$791
N/A
N/A
$791
Settled
Yes
Total markets: 8

Description

This event tracks the number of explicit endorsements Donald Trump makes for political candidates on his Truth Social platform within a specified week. It focuses on clear, direct statements of support rather than indirect or symbolic gestures. The outcome depends on whether he reaches certain thresholds of endorsements during that period.

Kalshi

The event evaluates whether Donald Trump issues a specified number of formal endorsements for political candidates on his Truth Social account between October 17, 2026, and October 23, 2026. An endorsement qualifies if it is a clear, affirmative statement of support—such as explicitly stating 'I endorse [candidate] for [office],' 'I support [candidate],' 'Vote for [candidate],' or '[candidate] has my full support'—and references a specific political race. Reaffirmations of prior endorsements and conditional endorsements count, but ambiguous statements or passive references (e.g., posting a graphic stating '[Candidate] wins' without an active endorsement) do not. Each individual candidate can only be counted once per week, regardless of how many times they are endorsed. The market resolves to 'Yes' if Trump meets or exceeds the threshold specified in any individual market rule; otherwise, it resolves to 'No.' Thresholds range from three to thirty endorsements across different markets.

Frequently asked questions

On Kalshi, the dashboard for the Trump endorsements market tracks the current odds of various outcomes for the number of endorsements Donald Trump will make on Truth Social this week. You can view the price history, which shows how the market has priced in new information over time, and the 24-hour volume, currently at $17,511. The total volume traded on this market is $32,466. This provides insight into how much traders are betting on each possible number of endorsements. The dashboard is a key tool for anyone following this market.

Currently, prediction market odds often reflect a different perspective than traditional polling averages. While polls capture stated preferences, this market represents what people are willing to *put their money* on. This can lead to divergences, particularly in situations with high uncertainty or strong partisan sentiment. It’s common to see this market adjust more rapidly to new information than polls, as traders react quickly to developments that could impact the number of Trump endorsements. The difference between these sources is often a matter of revealed preference versus stated preference.

On Kalshi, this market is priced using a continuous double auction. Traders buy and sell contracts representing different outcomes – in this case, the number of Truth Social endorsements from Donald Trump. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the market’s collective belief about the probability of that outcome occurring. As more traders participate and new information becomes available, the prices adjust accordingly. Higher volume generally indicates greater confidence in the current price, while significant price swings suggest changing expectations about the event. The current market reflects the aggregated predictions of all participants.

This market resolves around Oct 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the resolution will be based on a count of official endorsements made by Donald Trump on his Truth Social account between October 17th and October 23rd. Any statements clearly identifying a candidate or position as endorsed will be counted; retweets or shares will not. The final tally will be sourced from publicly available Truth Social posts and verified against credible news sources.

Several factors could significantly influence this market. Any announcements from Trump’s campaign or team regarding endorsement plans would be a major catalyst. Unexpected political developments, such as key primary races heating up or prominent candidates dropping out, could also prompt increased endorsement activity. Media coverage focusing on potential endorsements, or even Trump’s own statements on Truth Social hinting at upcoming endorsements, could all move the market. A flurry of activity in the final days of the period, or a complete absence of endorsements, would also have a substantial impact on the outcome of this market.