Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
5% | 95% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
5% | 95% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
Market context
Polymarket is pricing a 4% probability that Elon Musk posts more than a certain threshold of tweets during the 48-hour window from 6 June to 8 June 2026. The contract settles based on main feed posts, quote posts and reposts captured by the tracker, excluding replies unless they appear directly on the feed itself. Deleted posts count if archived within approximately five minutes. Settlement occurs on-chain via USDC on Polygon, with conditional tokens reflecting the binary outcome.
Musk's posting frequency has historically varied considerably based on external events and his operational focus. During periods of active Tesla or SpaceX developments, his daily output has exceeded 20 posts; during quieter intervals, he has posted fewer than five times daily. The June 2026 window carries no announced major product launches or earnings calls for his primary companies, suggesting baseline activity levels. Historical data from comparable two-day windows without scheduled events typically sees him post between 8 and 15 times, making the current 4% odds reflect expectations of unusually low engagement.
The settlement period spans a Saturday and Sunday, which historically correlates with reduced posting frequency compared to weekdays. No scheduled Tesla shareholder meetings, SpaceX launches, or X platform announcements are currently flagged for that weekend. Traders should monitor whether any geopolitical events, regulatory developments affecting X, or unexpected company announcements occur in the days preceding the window, as these have previously driven material shifts in Musk's social media activity.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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?
- On Kalshi UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Kalshi UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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 does it cost to trade on Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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 June 6 - June 8, 2026? on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Trade on Kalshi UK →