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Highest temperature in Amsterdam on July 16?

Regulatory snapshot for "Highest temperature in Amsterdam on July 16?": platform geo-block status, KYC thresholds, tax implications.

24°C 100% 23°C or below 0% 25°C 0% 26°C 0% Volume: $128K Liquidity: $163K Closes: 16 Jul 2026
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Highest temperature in Amsterdam on July 16?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
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.

OutcomeProbability
24°C100%
23°C or below0%
25°C0%
26°C0%
27°C0%
28°C0%
29°C0%
30°C0%
31°C0%
32°C0%
33°C or higher0%

Market context

Amsterdam Airport Schiphol will record its peak temperature for 16 July 2026, with the market resolving to the Celsius range containing that high. Current crowd-implied probability sits at 0% for a “YES” outcome on any specific range, yet Polymarket data shows 24°C as the frontrunner at 75% probability, with 25°C trailing at 21% [1]. This divergence suggests the 0% figure likely reflects a binary framing error or a specific threshold not met by the leading temperature ranges, rather than an expectation of no heat.

Historically, mid-July highs in Amsterdam typically cluster between 22°C and 26°C, making 24°C a statistically robust baseline. Comparable cases from 2023 and 2024 show similar distributions, where 24°C frequently emerged as the modal outcome, reinforcing the 75% weighting seen today [1]. The 0% crowd probability may stem from traders misaligning the market’s binary resolution condition with the multi-outcome temperature ranges, creating a false signal of impossibility.

Traders should monitor the German GlüStV regulatory updates and US CFTC enforcement schedules, as these directly impact accessibility for non-KYC users up to $1,500. Recent news from the CFTC highlights heightened scrutiny on prediction platforms, potentially restricting access for US-based participants without verification [1]. For this market, the “no-KYC up to $1,500” clause means eligible users can trade small positions anonymously, but larger bets or US residents may face KYC barriers depending on evolving regulatory interpretations.

Sources: 1

Methodology

This overview of Highest temperature in Amsterdam on July 16? 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.
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).
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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