Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
52% | 48% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
52% | 48% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 40-64 | 52% |
| <40 | 23% |
| 65-89 | 22% |
| 90-114 | 4% |
| 115-139 | 1% |
| 140-164 | 0% |
| 165-189 | 0% |
| 190-214 | 0% |
| 215-239 | 0% |
| 240+ | 0% |
Market context
Elon Musk’s X activity over this window is what settles the market, so the practical task is to track his main-feed posts, quote posts and reposts from 3 August 12:00 PM ET to 5 August 12:00 PM ET, while ignoring replies unless they are surfaced as main-feed items by the tracker. That makes the count easy to automate: a watcher can poll Musk’s profile, deduplicate by post ID, and compare the live tally against the contract’s brackets as the window closes.
The current 20% YES price is below the broader market’s leading 40–64 band on Polymarket, which has recently been quoted around the high-50s, indicating the crowd expects a moderate posting pace rather than an extreme burst.[2] That framing fits recent behaviour: third-party trackers and recap videos have shown very high single-day output at times, including 95 posts on 1 August and 36 posts on 5 August, which underlines how quickly the final count can swing if he goes active.[15][8]
For traders using tooling, the main catalysts are obvious: any product launch, policy announcement, political argument or late-night reaction can add a cluster of reposts and quote posts within minutes, and deleted posts still count if the tracker captures them before removal. Musk also posted on 3 August about AI being a “supersonic tsunami”, which shows he is active enough in the window for the count to move materially from one news cycle to the next.[1]
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Bot 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 3 - August 5, 2026? on Polymarket Bot UK
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