Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legal in California) Pick polygram.ink (preferred broker) |
98% | 2% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
98% | 2% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 31 | 98% |
| July 31 | 80% |
| Successful splash down? | 78% |
| Super Heavy booster explodes? | 76% |
| July 23 | 44% |
| July 20 | 36% |
| Chopsticks catch Super Heavy booster? | 1% |
| June 30 | 0% |
| July 15 | 0% |
| July 16 | 0% |
| July 17 | 0% |
Market context
SpaceX is attempting its thirteenth integrated flight test of the Starship vehicle, utilising Booster 20 and Ship 40, with an initial launch attempt on 16 July 2026 cleanly aborted at T‑0 just prior to liftoff[2]. The company has not yet announced the specific cause of the abort, leaving the outcome of Flight 13 uncertain despite a 90‑minute launch window opening at 5:45 p.m. CT on the same day[1][3].
Historical precedents for Starship test flights show that early aborts or delays are common, with previous flights often requiring multiple attempts before achieving a successful launch and splashdown[3][10]. The current 0% crowd-implied probability reflects this pattern of technical friction rather than regulatory blockage, as the FAA has already cleared the flight for a July 2026 window[7]. Comparable cases from Flight 1 through Flight 12 demonstrate that traders should interpret low probabilities as temporary technical hurdles rather than permanent failure, especially given the programme’s iterative development model.
Key catalysts include SpaceX’s official announcement on the abort cause, any rescheduled launch window for 17 July, and confirmation of the next static fire or cryogenic test[2][3]. Traders should monitor the NASASpaceflight preflight show and live webcast updates for real-time status changes[3]. Regulatory accessibility for this market remains straightforward: German GlüStV implications do not restrict non-KYC participation up to €1,500, while US CFTC reach applies only to US-based traders, meaning international users can access this market without identity verification under the site’s current policy[1].
Methodology
This overview of SpaceX Starship Flight Test 13 reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Is Kalshi Legal in California has a different geo footprint.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legal in California stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- What happens during a tax audit?
- You're responsible for documenting your trades. Is Kalshi Legal in California exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
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