Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
45% | 55% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
45% | 55% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 40-64 | 45% |
| 65-89 | 30% |
| <40 | 20% |
| 90-114 | 7% |
| 115-139 | 1% |
| 140-164 | 0% |
| 165-189 | 0% |
| 190-214 | 0% |
| 215-239 | 0% |
| 240+ | 0% |
Market context
The event here is simply how many times Elon Musk posts on X in the three-day window, with only main-feed posts, quote posts and reposts counted; replies do not count, and the tracker can fall back on X itself if it misses a post.[1] In prediction markets, a **YES** share pays if the final count lands in the market’s specified range, while a **NO** share pays if it does not, so the current 20% implied probability means traders think that outcome is relatively unlikely but still possible.[1]
Recent comparable markets suggest the key reference point is posting pace rather than headline volume. Polymarket’s monthly July 2026 market shows the strongest expectation around 760-839 posts for the month, which implies an average well above 20 posts a day, and the same venue’s three-day window market has “40-64” as the leading band at 47%, with “<40” next at 33%.[2][3] On that basis, a 20% price for a specific outcome in this short window looks like a fairly cautious view of Musk’s activity, not a forecast of inactivity.
The main catalysts are straightforward: any X announcements, product launches, political interventions or other high-profile developments that could prompt a burst of main-feed posting, plus his normal habit of reposting and quote-posting around fast-moving news.[1] Traders will also watch whether he goes unusually quiet, since the market’s rule set excludes replies but still counts reposts and quote posts, and deleted posts can count if captured before removal.[1] Those mechanics matter because a brief posting spike, rather than sustained daily volume, is enough to shift the final tally materially.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Market UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Elon Musk # tweets July 23 - July 25, 2026? on Prediction Market UK
Live order book, 0% fees, USDC settlement in seconds.
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