Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
19% | 81% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
19% | 81% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 180-199 | 19% |
| 200-219 | 18% |
| 160-179 | 14% |
| 220-239 | 14% |
| 240-259 | 11% |
| 140-159 | 8% |
| 260-279 | 7% |
| 120-139 | 3% |
| 280-299 | 3% |
| 300-319 | 2% |
| 100-119 | 1% |
| 320-339 | 1% |
| 340-359 | 1% |
| 360-379 | 1% |
| <20 | 0% |
| 20-39 | 0% |
| 40-59 | 0% |
| 60-79 | 0% |
| 80-99 | 0% |
| 380-399 | 0% |
| 400-419 | 0% |
| 420-439 | 0% |
| 440-459 | 0% |
| 460-479 | 0% |
| 480-499 | 0% |
| 500+ | 0% |
Market context
Elon Musk’s posting count on X is what this market resolves on, and the tracker currently shows **0 tweets** for the August 11-18 window before it opens.[1][3] That means the price is effectively anchored to a fresh week of activity rather than anything already visible in the settlement period, with only main-feed posts, quote posts and reposts counting, while replies are excluded unless they appear on the main feed and are captured by the tracker.[3]
Historical Musk tweet markets usually trade as a function of bursts, not steady cadence: his output can swing sharply around product announcements, legal developments, platform changes, or public arguments, which makes weekly counts hard to model from the outside.[2][5] The current 0% YES implies the market is treating an exact-count outcome as highly unlikely, but that can shift quickly if his account enters one of its high-activity stretches, especially given that trader-facing trackers and comparable August markets have already shown meaningful priced-out ranges elsewhere on the month-long board.[2][7][11]
For traders, the key catalysts are any X or Tesla-facing announcements, major policy or litigation developments, and whether Musk is active on the platform during US daytime hours, since the window runs from 12:00 PM ET on 11 August to 12:00 PM ET on 18 August 2026.[3] A recent live tracker also indicates the market is being watched in real time rather than inferred from broader August activity, so any sudden run of reposts, quote posts, or main-feed replies that surface on the tracker can matter immediately for the count.[1][3]
Methodology
Sports-specific comparison page for Elon Musk # tweets August 11 - August 18, 2026?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade Elon Musk # tweets August 11 - August 18, 2026? on Sport Prediction
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