Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Alternative Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Alternative → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Alternative → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Alternative → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Alternative → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Alternative → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket Alternative.
Active sub-markets
Market context
SpaceX's private valuation has become a focal point for late-stage venture capital tracking, with the Nasdaq Private Market serving as the primary price discovery mechanism for institutional shareholders. The company last traded at a $180 billion valuation in September 2024, following a secondary funding round that included participation from existing investors. Any settlement on this market depends entirely on NPM publishing a transaction or reference price at or above the specified threshold before the June 2026 deadline, with prices updated daily at 1:00 PM ET on trading days only.
Historical precedent suggests caution when interpreting the current 100% implied probability across platforms. Unicorn valuations frequently stall between funding rounds; Stripe, for instance, remained flat at $95 billion from 2021 to 2023 despite operational growth. The gap between Polymarket's decimal odds format and Kalshi's implied-probability display can obscure how thin the actual liquidity is on either side of this trade—a 100% reading often reflects minimal opposing volume rather than genuine consensus. Betfair and Smarkets typically show wider spreads on late-stage private equity markets, reflecting genuine uncertainty about whether NPM will publish any transaction at all during the window.
Traders should monitor SpaceX's Starshield contracts, Starlink profitability disclosures, and any announced secondary offerings or new funding rounds. Elon Musk's public statements about company valuation carry weight with institutional shareholders who set NPM prices. The settlement mechanism's reliance on NPM publication—rather than announced valuations—creates execution risk; if no secondary market activity occurs, the market may remain unresolved until the July 4 extension deadline, a scenario that has historically favoured platforms with flexible settlement windows over those enforcing strict cutoffs.
Methodology
This page compares Will SpaceX's valuation hit 2026 by June 30? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Polymarket Alternative routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
FAQ
- Is this market available outside the US?
- Polymarket Alternative is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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 it cost to trade on Polymarket Alternative?
- Zero. Polymarket Alternative routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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.
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