Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
21% | 79% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
21% | 79% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 200-219 | 21% |
| 220-239 | 21% |
| 180-199 | 16% |
| 240-259 | 14% |
| 260-279 | 10% |
| 160-179 | 8% |
| 280-299 | 5% |
| 300-319 | 3% |
| 140-159 | 2% |
| 120-139 | 1% |
| 320-339 | 1% |
| 340-359 | 1% |
| 40-59 | 0% |
| 20-39 | 0% |
| 60-79 | 0% |
| 100-119 | 0% |
| 360-379 | 0% |
| 380-399 | 0% |
| 460-479 | 0% |
| <20 | 0% |
| 80-99 | 0% |
| 400-419 | 0% |
| 420-439 | 0% |
| 440-459 | 0% |
| 480-499 | 0% |
| 500+ | 0% |
Market context
Elon Musk is expected to post zero main-feed tweets, quote posts, or reposts on X between 30 June and 7 July 2026, a scenario the market currently prices at 0% YES. On Polymarket, this conditional token trades on the Polygon network using USDC, where the zero-activity outcome is treated as virtually certain by liquidity providers. The contract resolves based on the tracker at xtracker.polymarket.com, which captures main feed posts, quote posts and reposts but excludes replies, meaning the market hinges entirely on whether Musk abstains from public posting for the full eight-day window [1][2].
Historically, Musk has rarely maintained a full week of silence; even during periods of reduced activity, he typically posts several times weekly. Comparable cases from 2023 and 2024 show that when Musk announces platform changes or reacts to external events, his posting frequency spikes, making a zero-post outcome highly anomalous. The current 0% probability reflects this entrenched pattern: unless Musk is incapacitated or deliberately silences himself, the tracker will almost certainly record at least one post [6][7].
Traders should monitor Musk’s upcoming announcements regarding X algorithm updates, rate-limit adjustments, or policy shifts, as these have consistently triggered posting surges. A recent ABC News report noted Musk’s rapid reversal on temporary reading limits in June 2024, which immediately preceded a wave of tweets [4]. Any scheduled X town halls, Tesla earnings calls, or geopolitical reactions during the settlement window could serve as catalysts, so real-time monitoring of his official X account is essential for assessing whether the zero-post scenario remains viable.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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.
- 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.
- 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 June 30 - July 7, 2026? on PolyGram
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