Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
19% | 81% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
19% | 81% | 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 |
|---|---|
| 200-219 | 19% |
| 180-199 | 17% |
| 220-239 | 14% |
| 240-259 | 11% |
| 160-179 | 10% |
| 120-139 | 7% |
| 140-159 | 7% |
| 260-279 | 7% |
| 100-119 | 5% |
| 280-299 | 3% |
| 300-319 | 2% |
| 80-99 | 1% |
| 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 scheduled to post on X between 12:00 PM ET on 7 July and 12:00 PM ET on 14 July 2026, with main feed posts, quote posts and reposts counted for a prediction market that currently implies a 0% chance of any activity. This near‑zero probability diverges sharply from recent Polymarket contracts on Musk’s tweet counts, where the leading outcomes cluster around 120–159 posts for the week ending 7 July and 40–64 posts for the 4–6 July window, generating over $1.7 million in volume and implying sustained high‑frequency posting[1][2][4]. Historical data shows Musk posted more than 4,500 times in November 2024 alone, and trackers recorded 54 posts on 6 July 2026, indicating a pattern of daily output that contradicts the market’s current settlement expectation[3][9].
Traders should watch for Musk’s announced release of X’s new algorithm code within seven days, a move that typically triggers bursts of promotional posting and community engagement[8]. Any delay or cancellation of this release, alongside Musk’s ongoing aerospace visits to SpaceX and potential FTC scrutiny over X’s privacy practices, could materially alter posting frequency[5][7]. The market’s 0% implied probability appears inconsistent with both analyst consensus on Musk’s July 2026 activity and live odds on competing platforms, which place the 40–64 bracket at 55% for the 4–6 July period[4]. This divergence suggests a pricing inefficiency that may correct as the algorithm announcement date approaches and real‑time post counts are captured by trackers.
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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 PolyGram. 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 7 - July 14, 2026? on PolyGram
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