Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
18% | 82% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
18% | 82% | 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 |
|---|---|
| 180-199 | 18% |
| 200-219 | 14% |
| 220-239 | 13% |
| 160-179 | 12% |
| 240-259 | 9% |
| 140-159 | 8% |
| 260-279 | 8% |
| 120-139 | 6% |
| 280-299 | 5% |
| 100-119 | 3% |
| 300-319 | 2% |
| 80-99 | 1% |
| 320-339 | 1% |
| 340-359 | 1% |
| <20 | 0% |
| 20-39 | 0% |
| 40-59 | 0% |
| 60-79 | 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
The market pricing Elon Musk’s tweet count for 14–21 July 2026 at zero reflects a premature assumption of silence, ignoring his recent surge in activity tied to Tesla’s full self-driving updates and SpaceX AI rebranding. Over the past 48 hours, Musk reposted claims about AI enabling universal healthcare and confirmed XAI’s transition to SpaceX AI, signalling heightened engagement rather than withdrawal [1]. His posting frequency has remained volatile but consistently high, with 61 tweets recorded on 18 June alone, suggesting the 0% probability is misaligned with behavioural patterns [3].
Historical data shows Musk often posts between 40–64 times over 48-hour windows, as seen in the July 9–11 2026 market where implied probability hovered near 48.5% for that range [7]. Even during periods of corporate strain, such as when he claimed X was “barely breaking even,” his output did not drop to zero; instead, he used the platform to refute reports and engage with political developments [2]. The current pricing fails to account for this consistency, treating a temporary dip as a permanent halt.
Traders should monitor Tesla’s full self-driving rollout announcements, scheduled for integration with Grok parking features within three months, and SpaceX’s upcoming Starlink launches, including Falcon 9 missions on 10 July and beyond [3][8]. Any major policy shifts at X regarding privacy audits or advertiser pullbacks could also trigger reactive posting, as seen when Musk defended the platform against FTC scrutiny [5]. These catalysts, combined with his established posting rhythm, make the zero-probability stance appear unjustified.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.
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?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Today. 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.
- 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.
- 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 July 14 - July 21, 2026? on Prediction Today
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