Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
45% | 55% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
45% | 55% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 120-139 | 45% |
| 140-159 | 32% |
| 160-179 | 6% |
| 200+ | 4% |
| 180-199 | 3% |
| <20 | 0% |
| 20-39 | 0% |
| 40-59 | 0% |
| 60-79 | 0% |
| 80-99 | 0% |
| 100-119 | 0% |
Market context
Polymarket is pricing this Truth Social post-count contract at **0% YES** right now, which means traders see virtually no chance that the eventual Post Counter lands in the market’s YES range before the settlement window closes. On Polymarket, the position is held in USDC on Polygon through conditional tokens, so the market price reflects what users are willing to pay for exposure to the exact post-count outcome rather than a view on Trump’s wider political standing.
Recent comparable stretches show why this kind of market can reprice fast if Trump enters a high-activity cycle. In late July, he posted heavily on Truth Social, with one tracker logging more than 25 posts in a single Sunday session and another report putting the total at 43 posts over roughly six hours, including reposts and AI-generated images.[3][4][9][11] Polymarket’s own prior post-count market for 21–28 July traded around the lower-count bands before the close, which is the usual pattern when the crowd expects a quieter week but has to absorb the possibility of a sudden surge.[12]
For this contract, the main catalysts are straightforward: any public statement, campaign-style announcement, legal development, or media cycle that tends to trigger rapid posting. The resolution source counts main-feed posts, quote posts and reposts, and it also counts deleted posts if the tracker captures them for long enough, so short bursts matter as much as the total by the deadline. A recent Reuters-reported AP item also noted that Trump’s Truth Social posts can be closely tied to policy messaging and monetisation dynamics, which helps explain why even routine political headlines can translate into posting spikes.[16]
Methodology
This page reviews Donald Trump # Truth Social posts July 28 - August 4, 2026? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Donald Trump # Truth Social posts July 28 - August 4… on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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