Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) 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 expanded by 4.3% year-on-year in the second quarter of 2026, marking its slowest quarterly growth since late 2022 and falling below the 4.5% consensus forecast [1][2]. This print sits just inside the government’s annual target band of 4.5–5%, yet it reflects a sharp deceleration from the 5.0% growth recorded in Q1 and underscores persistent weaknesses in domestic demand alongside external shocks from the Iran conflict [3][4]. Historically, when China’s quarterly GDP dips below 4.5% while remaining above 4.0%, prediction markets have consistently priced the “below target” outcome near zero, as policymakers have repeatedly intervened to stabilise growth before it breaches the lower bound [1][7].
Traders should monitor the preliminary GDP release scheduled for 16 July 2026, which will confirm whether the 4.3% figure holds or is revised upward [1][6]. Key catalysts include the accompanying data on industrial production, retail sales, and fixed-asset investment, all released simultaneously, as well as any immediate policy signals from the National Bureau of Statistics regarding stimulus measures [6]. The World Bank’s July update already projects 2026 growth at 4.4%, suggesting the 4.3% Q2 print may be the low point before a modest rebound in the second half [7]. With the settlement window closing at 00:00 UTC on 16 July, the market’s 0% YES probability for growth below 4.0% aligns with the consensus that China will avoid a sub-4% outcome despite current fragility [1][8].
Methodology
Sports-specific comparison page for China GDP growth (Y/Y) in Q2 2026?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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