Highest temperature in Dallas on July 22?

Platform comparison

Market context

The relevant real-world event is the maximum temperature recorded at Dallas Love Field on 22 July 2026, with settlement based on the Wunderground daily history page for KDAL. In the current market, the crowd is pricing the 108–109°F bracket at 100% and assigning 0% to 95°F or below, which implies traders see the day’s high as already settled into the upper end of the range rather than anything materially cooler.[1]

That pricing fits a very hot North Texas summer pattern: Dallas often reaches the upper 90s to low 100s in July, and a reading around 108–109°F is unusual but still within the kind of extreme heat that can occur during persistent ridging and dry air. For a banded temperature market, the main historical lesson is that small forecast errors matter less than the terminal reading at the official station, so once a heat spike is established, the market can rapidly compress into a single bucket if late-day cooling no longer looks capable of changing the day’s maximum.[1]

The practical catalysts are the official Love Field observation sequence, any late-morning to afternoon convective development, and whether cloud cover, outflow, or a shift in winds limits further warming before the settlement window closes at 12:00 UTC. Because the market resolves strictly from the station history rather than local media estimates, traders usually care most about near-real-time meteorological updates and whether the day’s high has already printed before the market’s cutoff; on the crypto side, the main on-chain angle is simply that final settlement will be in USDC, so liquidity and positioning in the contract matter more than broad BTC or ETH moves unless they affect risk appetite in the market venue.[1]

Sources: 1

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

What are crypto prediction markets?

Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.

Why USDC and not ETH or USDT?

USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.

What does a transaction cost on Polygon?

Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.

How volatile are crypto prediction markets?

Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.

Which crypto markets exist on Polymarket?

Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.