Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 4.3-4.6% | 100% |
| <4.0% | 0% |
| 4.0-4.3% | 0% |
| 4.6-4.9% | 0% |
| 4.9-5.2% | 0% |
| 5.2-5.5% | 0% |
| 5.5-5.8% | 0% |
| 5.8-6.1% | 0% |
| 6.1%+ | 0% |
Market context
China’s economy is set to reveal its second-quarter 2026 year-on-year GDP growth rate later today, with the National Bureau of Statistics scheduled to publish the official “Preliminary Accounting Results of GDP” at 02:00 GMT on 15 July. In prediction markets, a YES share pays out if the reported figure meets the market’s winning condition, while a NO share pays out if it does not; here, the crowd currently assigns 0% probability to any outcome that would trigger a YES resolution, implying near-universal expectation that the growth rate will fall outside the winning bracket.
Historically, China’s quarterly GDP prints have hovered close to its official annual targets, with Q1 2026 delivering 5.0% growth and the first half averaging 4.7%, exactly the midpoint of the 4.5–5% target for 2026 [2][4]. The latest Q2 print, released today, shows 4.3% growth—the slowest since late 2022 and below the 4.5% forecast by economists [1][3]. This recent miss, combined with weak domestic demand and an oil shock linked to the Iran war, frames the current 0% YES probability as a reflection of traders expecting the official figure to remain in the lower range, consistent with the 4.3% headline already circulating [1][3].
Traders should monitor the full release for activity-data composition, commodity basket details, and any stimulus signals that could alter second-half expectations [5]. Key dependencies include June industrial production, retail sales, and fixed-asset investment figures released alongside GDP, as well as upcoming policy announcements from Beijing aimed at rebalancing toward consumption [5][6]. With growth projected to ease further to 4.3% in 2027, the market’s focus is on whether the Q2 print signals a deeper slowdown or a manageable dip within target [6].
Methodology
We track China GDP growth (Y/Y) in Q2 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Market UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
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