Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
63% | 37% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
63% | 37% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 120-139 | 63% |
| 140-159 | 18% |
| 160-179 | 5% |
| 180-199 | 2% |
| <20 | 0% |
| 20-39 | 0% |
| 40-59 | 0% |
| 60-79 | 0% |
| 80-99 | 0% |
| 100-119 | 0% |
| 200+ | 0% |
Market context
Donald Trump’s Truth Social activity is the real-world event here: the market counts his main-feed posts, quote posts and reposts over a one-week window, with replies excluded unless they appear on the main feed and are therefore captured by the tracker. That makes the cleanest approach programmatic: poll a reliable archive or feed, deduplicate by status ID, classify post types, and compare the running total with the market’s settlement rule rather than relying on a manual read of the app. A 0% crowd-implied probability is only consistent if traders believe the count has already been effectively capped, but Trump has repeatedly posted in bursts of dozens or even more than 100 items in a day, so the distribution is usually driven by whether he goes quiet or keeps spamming the feed.[2][3][7][12][13]
Historical baselines argue against treating this as a stable, low-activity account. NPR reported that Trump posted 2,249 times in the first four months of 2026, averaging nearly 19 posts a day, with a heavy concentration around elections, Iran and the economy.[12] Separate reports in July described several posting sprees, including 43 Truth Social posts in roughly six hours and other days topping 100 posts, which shows how quickly the total can move once he is active.[2][7][13] For a trader running bots or conditional orders, the practical lesson is to monitor cadence, not just headlines: a burst can add double-digit counts in minutes, and deleted posts still count if the tracker catches them within its capture window.[1]
The main catalysts are Trump’s own schedule, fast-moving political or market events, and any incentive to amplify content, including reposts and image-heavy attention grabs. Recent reporting said Trump Media has begun selling faster access to some Truth Social posts via a Truth API, which underlines that the platform’s post flow is now being packaged for institutional monitoring.[20] That matters because traders who ingest the feed programmatically can react to spikes in real time, while the market’s final count will still depend on whether Trump posts during late-evening or early-morning windows in the settlement period and whether those posts are mirrored, reshared or briefly deleted before capture.[1][20]
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 Polymarket Bot UK, 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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- 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 Polymarket Bot UK
Live order book, 0% fees, USDC settlement in seconds.
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