Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
19% | 81% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
19% | 81% | 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 |
|---|---|
| 140-159 | 19% |
| 160-179 | 19% |
| 180-199 | 17% |
| 200-219 | 14% |
| 220-239 | 10% |
| 120-139 | 8% |
| 240-259 | 8% |
| 260-279 | 5% |
| 100-119 | 3% |
| 280-299 | 2% |
| 300-319 | 2% |
| 80-99 | 1% |
| 320-339 | 1% |
| 340-359 | 1% |
| 360-379 | 1% |
| <20 | 0% |
| 20-39 | 0% |
| 40-59 | 0% |
| 60-79 | 0% |
| 380-399 | 0% |
| 400-419 | 0% |
| 420-439 | 0% |
| 440-459 | 0% |
| 460-479 | 0% |
| 480-499 | 0% |
| 500+ | 0% |
Market context
Polymarket is pricing this contract at 0% YES, implying traders assess near-zero probability that Elon Musk posts between 21 and 28 August 2026. The market settles on the count of main feed posts, quote posts and reposts from the @elonmusk account during that specific seven-day window, excluding replies unless they appear on the main feed itself. Deleted posts count if captured within approximately five minutes by the tracker. The binary framing masks what is fundamentally a volume prediction: whether Musk's posting activity during that week falls below or above an undisclosed threshold that determines YES resolution.
Historical posting patterns show Musk maintains irregular but consistent X activity across most weeks, typically ranging from several posts to dozens depending on company developments, market events and personal interests. August 2025 saw sustained engagement around Tesla earnings and Neuralink updates. The current 0% pricing suggests either the threshold is set extremely high, or traders are factoring in a scheduled absence—holiday, conference attendance or operational focus elsewhere. Without a publicly announced reason for expected silence, the probability reflects baseline scepticism rather than concrete intelligence.
Traders should monitor Tesla's earnings calendar and any scheduled product announcements for late August 2026, as these historically correlate with increased Musk posting. SpaceX launch schedules and regulatory filings also drive engagement spikes. The settlement window closes 28 August at 16:00 ET, giving the tracker a narrow margin to capture final posts. On-chain liquidity on Polygon will determine execution costs for position adjustments as the window approaches.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Qué Es, which mirrors the Polymarket order book directly.
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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Pronóstico: Elon Musk # tweets August 21 - August 28… on Polymarket Qué Es
Live order book, 0% fees, USDC settlement in seconds.
Open live market →