Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
17% | 83% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
17% | 83% | 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 |
|---|---|
| 200-219 | 17% |
| 220-239 | 16% |
| 240-259 | 14% |
| 180-199 | 12% |
| 260-279 | 11% |
| 280-299 | 10% |
| 160-179 | 8% |
| 140-159 | 5% |
| 120-139 | 3% |
| 300-319 | 3% |
| 100-119 | 2% |
| 320-339 | 2% |
| 340-359 | 2% |
| 80-99 | 1% |
| 360-379 | 1% |
| 380-399 | 1% |
| <20 | 0% |
| 20-39 | 0% |
| 40-59 | 0% |
| 60-79 | 0% |
| 400-419 | 0% |
| 420-439 | 0% |
| 440-459 | 0% |
| 460-479 | 0% |
| 480-499 | 0% |
| 500+ | 0% |
Market context
Polymarket has this contract at **0% YES** today, so traders are effectively saying the tracked count of Elon Musk’s main-feed posts, quote posts and reposts from 4 August to 11 August is too uncertain, or too unlikely, for the market to assign even a minimal price. On Polymarket, shares settle in USDC on Polygon through conditional tokens, so the trade is not about whether Musk is active in general, but whether the final captured count lands inside the market’s defined range after the tracker window closes.
The best guide is past posting intensity rather than the abstract idea of “a lot of tweets”. Polymarket’s own recent Musk tweet-count markets have put the leading band around the high double or low triple digits; for example, the market covering 28 July to 4 August 2026 had “180-199” as the frontrunner at 15%, with “200-219” close behind at 14%[1]. Independent live trackers also exist for his X activity, which matters because this market counts only posts the tracker captures and excludes replies, except when a reply appears on the main feed and is counted there[2][3]. That setup means the range can move quickly if Musk goes into one of his high-output stretches, but the crowd’s 0% price suggests no consensus that August will begin with a sustained burst.
For traders, the key catalysts are operational rather than philosophical: product launches, Tesla or SpaceX announcements, political or legal developments, and any rapid-fire engagement cycle on X that changes his posting cadence. August is also a month when scheduled corporate or launch commentary can create spikes in activity, and recent coverage has noted Musk’s repeated use of social posts around Tesla robotaxi messaging[4]. Because deleted posts still count if captured and community reposts do not, the practical question is whether he spends the week posting enough main-feed content to push the final tally into the relevant band before 11 August 12:00 PM ET.
Methodology
We track Elon Musk # tweets August 4 - August 11, 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
- 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 Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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 Elon Musk # tweets August 4 - August 11, 2026? on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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