PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedData quality warningStale data
Data as of Oct 30, 2026, 1:33 PM UTC · policy pm-quality-4
Selected book midpoint
20-39 · —
Loading selected book…
—
Stored reference
20-39 99%Leader of 11 outcomes
20-39 99%Market quality
≤49 / 100
Low quality24h Volume
$531.9
Liquidity
$5.5K
Medium liquidityOpen interest
$2.5K
Bid / Ask
— / —
20-39Spread
—
Comments
0
7d Change
-4.6 pts
Market data
Updated 4 hours ago
StaleOct 20, 26, 4:00 AM UTCOct 30, 26, 4:00 PM 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.
<20Lost
Before close: 0% ·
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Minimum order (shares):
- 5
- Tick size:
- 0.1 percentage points
- Fees:
- Yes
Top holders
Loading top holders
Market depth · 20-39
Loading selected book…
—
Related Markets
Related questions for context, not a comparison of equivalent contracts.
NYC Mayor # posts October 27 - November 3, 2026?
PolymarketNYC Mayor # posts October 30 - November 6, 2026?
PolymarketZohran Mamdani completes full term as NYC mayor?
Manifold MarketsWill an Emergency Fiscal / Budgetary Crisis occur in New York (NYC) under Mayor Zohran Mamdani 💰🤑🏛️💥📈 🗽🏙️
Manifold MarketsWhich party will win the House in 2026?
Polymarket2026 Midterms: Congress Balance of Power?
KalshiRules
This market will resolve according to the number of times NYC Mayor Zohran Mamdani (@NYCMayor), posts on X between October 23, 12:00 PM ET and October 30, 2026, 12:00 PM ET.
- For the purposes of this market, only main feed posts, quote posts and reposts will count.
- Replies will NOT count towards the total - however, replies which are recorded on the main feed will be counted by the tracker.
- Deleted posts will count as long as they remain available long enough to be captured by the tracker (~5 minutes).
- The resolution source for this market is the "Post Counter" figure for posts found at https://xtracker.polymarket.com.
- Individual posts can be viewed by clicking "Export Data".