Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 108-109°F | 100% |
| 95°F or below | 0% |
| 96-97°F | 0% |
| 98-99°F | 0% |
| 100-101°F | 0% |
| 102-103°F | 0% |
| 104-105°F | 0% |
| 106-107°F | 0% |
| 110-111°F | 0% |
| 112-113°F | 0% |
| 114°F or higher | 0% |
Market context
The relevant real-world event is the highest temperature recorded at Dallas Love Field on 22 July 2026, with the market resolving to whichever Fahrenheit range contains that daily peak. Polymarket’s live pricing currently puts the **108–109°F** band at **100%**, with every lower outcome at **0%**, so the market is already effectively anchored around a very hot reading rather than a close finish.[1]
For context, Dallas summer temperature markets tend to behave more like local forecast and airport-observation bets than broad city weather views, because the settlement source is a specific station record rather than a general metropolitan estimate. That makes historical similarity useful: once forecasts cluster around a hot, stable pattern, the upper bands usually absorb most of the probability unless a late cloud, rain band, or boundary-layer change trims the afternoon maximum. The current **0% YES** crowd-implied probability for lower bands therefore reflects an event that the market is treating as settled in practice, not one with meaningful uncertainty left.[1]
On accessibility, German users need to consider the GlüStV framework, because online betting-style products can fall into regulated gambling territory even when structured as event markets; by contrast, in the US the CFTC’s remit matters where a contract could be viewed as a derivatives product rather than a pure game of chance. For this specific market, “**no-KYC up to $1,500**” means smaller positions may be reachable with lighter onboarding, but that does not remove jurisdictional restrictions, identity checks once thresholds are crossed, or the fact that settlement still depends on the Wunderground Dallas Love Field daily history page and its recorded maximum.[1]
Sources: 1
Methodology
This overview of Highest temperature in Dallas on July 22? 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
- 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.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Legal UK 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. Polymarket Legal UK 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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