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% |
| Granby: Blaise Bicknell vs Murphy Cassone Set 1 O/U 8.5 | 100% |
| Granby: Blaise Bicknell vs Murphy Cassone Set 1 Winner | 100% |
| Granby: Blaise Bicknell vs Murphy Cassone Set 1 O/U 9.5 | 100% |
| Granby: Blaise Bicknell vs Murphy Cassone Total Sets: O/U 2.5 | 100% |
| Granby: Blaise Bicknell vs Murphy Cassone Match O/U 21.5 | 100% |
| Granby: Blaise Bicknell vs Murphy Cassone Match O/U 22.5 | 100% |
| Granby: Blaise Bicknell vs Murphy Cassone Set 1 O/U 10.5 | 100% |
| Granby: Blaise Bicknell vs Murphy Cassone Match O/U 23.5 | 100% |
| Granby: Blaise Bicknell vs Murphy Cassone | 0% |
| Granby: Blaise Bicknell vs Murphy Cassone Set 2 Winner | 0% |
| Granby: Blaise Bicknell vs Murphy Cassone Set 2 O/U 8.5 | 0% |
| Granby: Blaise Bicknell vs Murphy Cassone Set Handicap +/-1.5 | 0% |
| Granby: Blaise Bicknell vs Murphy Cassone Set 2 O/U 9.5 | 0% |
| Granby: Blaise Bicknell vs Murphy Cassone Set Handicap +/-1.5 | 0% |
| Granby: Blaise Bicknell vs Murphy Cassone Set 2 O/U 10.5 | 0% |
Market context
A Granby Challenger tennis match between Blaise Bicknell and Murphy Cassone, originally set for 15 July 2026, remains unresolved as traders assess Bicknell’s chance of advancing. Current crowd-implied probability sits at 0% YES for Bicknell, reflecting market scepticism despite his presence in the fixture.
Historical precedent from similar low-tier Challenger events shows that 0% implied probabilities often precede late corrections when underdogs receive unexpected support or when top-ranked opponents face withdrawal risks. In past Granby tournaments, matches with near-zero initial pricing have occasionally flipped to 40–60% splits after schedule updates or injury disclosures, suggesting the current figure may be premature rather than definitive.
Key catalysts include the official tournament draw confirmation, any player injury reports, and weather-related delays that could push the match beyond the seven-day settlement window. Tennis Tonic recently picked Murphy Cassone to win in three sets, citing his 1.39 odds against Bicknell’s 2.72, which aligns with the market’s current bias [1]. Traders should monitor ATP Challenger announcements and local Canadian weather forecasts, as these directly impact whether the match proceeds or triggers the 50–50 resolution clause. Regulatory clarity under Germany’s GlüStV and US CFTC oversight remains relevant for platform accessibility, particularly for users benefiting from no-KYC thresholds up to $1,500, which widens participation for this specific market without altering the underlying event mechanics.
Sources: 1
Methodology
This overview of Granby: Blaise Bicknell vs Murphy Cassone 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.
- 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.
- 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.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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