Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Prediction Market UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Prediction Market UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Prediction Market UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Prediction Market UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Prediction Market UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Prediction Market 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 Prediction Market UK.
Active sub-markets
Market context
This market tracks how many times Elon Musk posts to X's main feed during a specific seven-day window in June 2026. A YES share represents a bet that the count will exceed a threshold (the exact number depends on the market's resolution bracket); a NO share bets it will fall below. Traders buy and sell these shares based on their confidence in Musk's posting frequency during that week. The current 0% probability on YES suggests the crowd expects posting activity to remain below whatever benchmark this particular bracket sets.
Musk's X activity has historically fluctuated between periods of intense engagement and relative quiet. During 2024–2025, his posting frequency ranged from single-digit daily posts on low-activity days to 15–20+ posts during news cycles or product announcements. The mid-June 2026 window carries no obvious scheduled Tesla earnings call or major product launch, which typically correlate with elevated posting. Without such catalysts, baseline activity tends toward the lower end of his historical range, explaining why the crowd has priced YES at zero.
Traders monitoring this market should track whether any Tesla or SpaceX announcements fall within or immediately before the June 9–16 window, as these reliably drive Musk's engagement upward. Regulatory developments affecting X itself, cryptocurrency movements, or geopolitical events involving his companies could also spike posting volume. The tracker's inclusion of reposts and quote posts—but exclusion of replies—means even brief retweets with commentary count, lowering the threshold for higher brackets compared to original-content-only definitions.
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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- On Prediction Market 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.
- 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.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK triggers a quick verification flow that finishes in minutes.
- 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 9 - June 16, 2026? on Prediction Market UK
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