Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
18% | 82% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
18% | 82% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
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 tracks Elon Musk’s main feed posts, quote posts and reposts on X between 12:00 PM ET on 14 July and 12:00 PM ET on 21 July 2026, excluding replies unless they appear as main-feed items. With the crowd assigning 0% probability to the YES outcome, the implied view is that Musk will not hit the specific threshold required for settlement, likely because the target range is set far above his typical weekly volume.
Recent seven-day windows show Musk posting between 160 and 179 times from 3–10 July 2026, while a separate market for 11–13 July 2026 prices the 40–64 tweet range at 47.5% despite weekend compression [1][8]. A comparable July 14–21 market on Lines.com implies roughly a one-in-six chance of 180–199 posts, with 84.5% of probability assigned to other buckets, suggesting the current 0% YES reflects a mismatch between the contract’s threshold and Musk’s observed pace [10].
Traders should monitor SpaceX launch schedules and Tesla or Grok announcements that often trigger posting spikes; a Falcon 9 Starlink launch is scheduled for 10 July at 7:00 PM PT, and Musk has tied product updates to posting surges in recent weeks [7][4]. Platform stability also matters: X experienced a major outage in February 2026 attributed to a cyberattack, which can suppress activity if similar disruptions recur [3]. Programmatically, a bot would track main-feed status IDs via the X API, filter out replies, and apply a five-minute window to capture deleted posts before settlement at 16:00 UTC on 21 July.
Methodology
We track Elon Musk # tweets July 14 - July 21, 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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 Kalshi Fees
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