Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Polymarket prices this contract at 0% YES today, implying traders see little to no chance that Donald Trump’s Truth Social posting count will fall within the market’s settlement band over 12–19 May. On Polymarket, the position is held via USDC on Polygon and settles through conditional tokens, so the key question is not Trump’s overall activity, but whether the tracker’s “Post Counter” records the relevant mix of main-feed posts, quote posts and reposts before the cut-off.
That 0% read is best judged against Trump’s usual cadence on Truth Social, which has often been bursty rather than uniform. In comparable weeks, the main feed can show clusters around major speeches, policy announcements or court developments, but activity can also dip sharply when his attention shifts to rallies, TV appearances or campaign travel. Because replies do not count unless they surface on the main feed, traders should focus on visible, captured posts rather than engagement in comment threads.
The main catalysts this week are scheduled political events and any late-breaking statements tied to the White House or campaign stops. The White House’s briefings page has already carried multiple May releases, and that kind of official calendar often correlates with increased social posting if Trump chooses to amplify it. For settlement, the relevant window closes at 12:00 PM ET on 19 May, so posts made after that time will not matter, even if they are later deleted; the tracker’s capture window and timing remain the decisive inputs.
Methodology
We track Donald Trump # Truth Social posts May 12 - May 19, 2026? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 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 May 12 - May 19, 2… on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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