Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
56% | 44% | 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 |
|---|---|
| 40-64 | 56% |
| <40 | 21% |
| 65-89 | 19% |
| 90-114 | 4% |
| 115-139 | 1% |
| 140-164 | 0% |
| 165-189 | 0% |
| 190-214 | 0% |
| 215-239 | 0% |
| 240+ | 0% |
Market context
Polymarket currently prices this Elon Musk posting-count contract at about **23% YES**, which means the market is implying a low-to-moderate chance that he reaches the relevant threshold on X during the settlement window. As a Polymarket user, you are effectively holding conditional tokens on Polygon and settling in USDC, so the practical question is not whether Musk posts a lot in general, but whether the tracker records enough *qualifying* main-feed posts, quote posts and reposts between 8 August 12:00 PM ET and 10 August 12:00 PM ET.
Recent comparable markets show how quickly this can swing when Musk is active: tracker-based Polymarket listings around adjacent 48-hour windows have resolved in the 40-64 range on one occasion, while third-party live trackers have also shown very high daily counts, including 38, 44 and 95 posts in single days during early August. That history matters because this market excludes replies from the total, and only posts captured by the tracker count, so a burst of short main-feed activity can matter more than a day of conversation in reply threads.
For catalysts, traders usually watch for product launches, Tesla or xAI announcements, court dates, earnings-related commentary and any public reaction to breaking news, because those are the moments when Musk tends to post repeatedly. The tracker rules also matter: deleted posts still count if captured, replies only count when they appear on the main feed, and the market may fall back on X itself if the counter fails, so late-window activity can still change the outcome materially.
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
- 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'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.
- 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 PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Elon Musk # tweets August 8 - August 10, 2026? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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