KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedData quality warningNot meaningfully priced
Data as of Oct 18, 2026, 10:55 AM UTC · policy pm-quality-4
Selected book midpoint
40+ · —
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Stored price
40+ 6.5%Leader of 8 outcomes
40+ 6.5%Market quality
26 / 100
Low quality24h Volume
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Open interest
$0
Open interest unknownBid / Ask
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40+Spread
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Market data
Updated 4 minutes ago
Oct 18, 26, 4:00 AM UTCOct 19, 26, 3:59 AM UTC
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 30m (informational)
Market depth · 40+
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Donald Trump # Truth Social posts October 20 - October 27, 2026?
PolymarketDonald Trump # Truth Social posts October 16 - October 23, 2026?
PolymarketWill a court block paid early access to Trump's Truth Social posts?
KalshiTrump Truth Social posts this week? (10/11-10/17)
KalshiDonald Trump # Truth Social posts October 13 - October 20, 2026?
PolymarketCourts block Trump's $100,000 Truth Social early access plan by which date?
PolymarketRules
If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is at least 40, then the market resolves to Yes.
Settles via:Roll Call
- How this is resolved The observation period begins at 12:00:00 AM ET on Oct 18, 2026 and ends at 11:59:59 PM ET on Oct 18, 2026. The primary resolution source for this market is Roll Call. In the event that Roll Call data is unavailable or inaccurate, alternative sources may be used at Kalshi's discretion. Payout criteria Truths, ReTruths, and Quote Truths are included in the total count. Replies are included if captured by Roll Call. "Between" is inclusive of the lower and upper bound. Doesn’t count for payout: Posts deleted as of 12:00 AM ET.
Rules for each outcome
- 40+
- If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is at least 40, then the market resolves to Yes.
- <5
- If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is below 5, then the market resolves to Yes.
- 5-9
- If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is between 5 and 9, then the market resolves to Yes.
- 10-14
- If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is between 10 and 14, then the market resolves to Yes.
- 15-19
- If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is between 15 and 19, then the market resolves to Yes.
- 20-24
- If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is between 20 and 24, then the market resolves to Yes.
- 25-29
- If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is between 25 and 29, then the market resolves to Yes.
- 30-39
- If the number of Truth Social posts by Donald Trump on Oct 18, 2026 is between 30 and 39, then the market resolves to Yes.