Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
44% | 56% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
44% | 56% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 65-89 | 44% |
| 40-64 | 39% |
| 90-114 | 12% |
| <40 | 2% |
| 115-139 | 2% |
| 140-164 | 0% |
| 165-189 | 0% |
| 190-214 | 0% |
| 215-239 | 0% |
| 240+ | 0% |
Market context
Polymarket has this contract at **5% YES**, so the crowd is currently pricing a very low chance that Elon Musk will post at least the threshold number of times between 30 July 12:00 PM ET and 1 August 12:00 PM ET. The market settles off the **Post Counter** at xtracker.polymarket.com, and only main-feed posts, quote posts and reposts count; replies do not, unless they appear on the main feed and are captured by the tracker. Shares are bought and sold in **USDC** on **Polygon**, with the payout determined by the conditional-token resolution if the counted total lands in the winning band. [3][11]
The main comparison for reading a 5% price is Musk’s own posting history, which can swing sharply over short windows. Recent tracker-driven market snapshots show traders have been willing to price large daily counts when his timeline is active, with one July market on the same theme spreading probability across much higher ranges rather than near-zero outcomes. Musk’s X feed also remains capable of abrupt bursts around Tesla, SpaceX and policy commentary, so the current low price mainly reflects the possibility that this particular 48-hour window stays quieter than his more volatile stretches. [8][9][14][18]
For traders, the key catalyst is whether Musk has a reason to sustain a posting run before the window closes: product announcements, company updates, legal or political disputes, and any high-visibility X activity can lift the count quickly. A recent Electrek report described him as being in a “generational meltdown”, which is the kind of news flow that can coincide with heavier posting if it continues through the settlement period. Deleted posts still count if the tracker captures them for long enough, so fast deletions do not fully eliminate resolution risk, and the final tally can change materially right up to the cutoff. [6][11]
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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 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 July 30 - August 1, 2026? on PolyGram
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