Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Scam? Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Scam? → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Scam? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Scam? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Scam? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Scam? → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket Scam?.
Active sub-markets
Market context
On 16 June 2026, Taipei will experience early summer heat, and traders on Polymarket are pricing the highest temperature recorded at Songshan Airport that day at effectively zero probability across all ranges. The settlement mechanism pulls directly from Wunderground's historical data for that station, converting to Celsius via the platform's settings toggle. USDC collateral on Polygon backs whichever temperature bucket resolves true, with conditional tokens determining payouts once the day closes and the data point locks in at 12:00 UTC.
Taipei's June climate offers clear historical anchors. The city averages daily highs near 31–32°C in mid-June, with extremes occasionally reaching 35°C or above during heat waves. The 0% crowd pricing suggests either a technical glitch in market initialisation or traders treating this as a placeholder contract awaiting proper liquidity. Historical June records at Songshan show temperatures regularly exceeding 33°C; the 2020 and 2023 seasons both saw mid-June peaks above 34°C. This baseline makes the current probability distribution worth scrutinising against actual seasonal norms.
Traders should monitor Taiwan's Central Weather Administration forecasts as June approaches, particularly any alerts for heat waves or unusual atmospheric patterns. The Western Pacific typhoon season technically begins in May, though June storms remain relatively uncommon; any tropical system tracking toward Taiwan could suppress temperatures significantly. Songshan Airport's urban location means the station captures city-centre heat effects, typically 1–2°C warmer than surrounding rural areas. Settlement hinges entirely on Wunderground's recorded maximum for that single day, making data source reliability the only operational dependency.
Methodology
We track Highest temperature in Taipei on June 16? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- Polymarket Scam? is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does it cost to trade on Polymarket Scam??
- Zero. Polymarket Scam? routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Scam? triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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