Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
16% | 84% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
16% | 84% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 180-199 | 16% |
| 220-239 | 13% |
| 120-139 | 11% |
| 140-159 | 11% |
| 200-219 | 11% |
| 160-179 | 10% |
| 100-119 | 7% |
| 240-259 | 7% |
| 260-279 | 5% |
| 80-99 | 4% |
| 280-299 | 3% |
| 300-319 | 2% |
| 320-339 | 1% |
| <20 | 0% |
| 20-39 | 0% |
| 40-59 | 0% |
| 60-79 | 0% |
| 340-359 | 0% |
| 360-379 | 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 is expected to post repeatedly on X between 12:00 PM ET on 10 July and 12:00 PM ET on 17 July 2026, covering main feed posts, quote posts and reposts, while excluding replies. The current crowd-implied probability for a non-zero count sits at 0%, a stark divergence from his recent posting behaviour, which has surged dramatically since October 2024 and included over 4,500 posts in November 2024 alone[1].
Historical patterns show Musk’s activity is highly volatile but consistently elevated during periods of major company announcements or public controversy. In early July 2026, he posted 40 times on 4 July[2], 33 times on 5 July[3], 13 times on 3 July[6], and 41 times on 2 July[7], indicating a sustained high-frequency output that contradicts the 0% market pricing. Comparable cases from late 2024 and early 2025 confirm that even during quieter weeks, his daily count rarely drops below 10 posts.
Traders should monitor Tesla’s Optimus production rollout, confirmed to begin in late July at Fremont[10], and any SpaceX launch updates following his 2 July visit to aerospace facilities[5]. Musk has also publicly predicted a dramatic shift in work patterns, a topic likely to resurface amid ongoing AI and automation debates[9]. Reuters noted in 2023 that X monthly users reached a new high under his leadership, suggesting continued platform engagement[8]. These catalysts, combined with his current posting rhythm, make the 0% probability appear misaligned with observable real-world activity.
Methodology
We track Elon Musk # tweets July 10 - July 17, 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
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
- 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.
- 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 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.
- 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 Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Elon Musk # tweets July 10 - July 17, 2026? on Best Prediction Markets UK
Live order book, 0% fees, USDC settlement in seconds.
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