Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legal in California) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Completed Match | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Set 1 Winner | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Total Sets: O/U 2.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Set 2 O/U 8.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Match O/U 21.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Set 2 O/U 9.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Match O/U 22.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Set 2 O/U 10.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Match O/U 23.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set 1 O/U 8.5 | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set 2 Winner | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set Handicap +/-1.5 | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set 1 O/U 9.5 | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set 1 O/U 10.5 | 0% |
Market context
The underlying event is a scheduled ITF Women’s singles match in Granby, Canada, between Erika Sema and Cadence Brace, originally set for 16 July 2026. The market resolves to the player who advances; if the match is cancelled, tied, or delayed beyond seven days without a winner, it settles at 50–50. With a current crowd-implied probability of 0% YES, the market effectively treats Sema’s advancement as impossible, a stance that clashes with the tournament’s standard competitive structure where both players are entered as active contenders.
Historically, prediction markets assigning near-zero probabilities to active ITF players have later corrected when unplayed matches were rescheduled or when line-up errors were discovered. Comparable cases in lower-tier tennis markets show that 0% pricing often reflects data lag rather than genuine disqualification, especially when no official withdrawal has been confirmed by the ITF or tournament director. In such instances, the 50–50 settlement clause becomes the dominant risk hedge, as incomplete matches default to parity rather than a forced loss.
Traders should monitor the ITF Granby draw updates, official player withdrawal notices, and any delay announcements from the tournament organiser. A recent ITF bulletin on 15 July 2026 confirmed all Granby matches remain on schedule, with no withdrawals reported for Sema or Brace, suggesting the 0% probability may be an anomaly rather than a factual assessment [1]. Regulatory attention remains relevant: German GlüStV requires KYC for most operators, while US CFTC reach extends to unregistered platforms, meaning “no-KYC up to $1,500” allows limited access for users avoiding identity checks, though it does not alter the market’s settlement mechanics.
Methodology
This overview of ITF Granby: Erika Sema vs Cadence Brace 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.
- Do I need to KYC for Is Kalshi Legal in California?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- 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.
- 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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