Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ 1T yuan | 100% |
| ↑ 1.5T yuan | 99% |
| ↑ 2T yuan | 98% |
| ↑ 2.5T yuan | 95% |
| ↑ 3T yuan | 76% |
| ↑ 3.5T yuan | 28% |
Market context
CXMT’s first-day closing market capitalisation will be measured against the contract’s threshold once the Shanghai listing prices, so the key question is not whether it can IPO, but whether the opening session supports a valuation at or above the listed strike. Current crowd pricing at 66% YES is below the more aggressive prediction-market framing seen elsewhere, where one venue has the comparable 400 billion yuan line around 99%, while the most recent public valuation anchor sits at about 579 billion yuan from the IPO pricing itself.[1][9][10]
That gap matters because historical read-throughs on Chinese chip listings suggest first-day capitalisation can move well above offer value when demand is tight, but the scale of any rerating depends on the final order book, lot allocation, and whether broader semiconductor sentiment stays hot into listing day. Media coverage has pointed to CXMT as one of China’s biggest IPOs in years, with Reuters-reported proceeds of at least 57.9 billion yuan and potential uplift if the overallotment is exercised, which supports the case for a strong debut; at the same time, analysts have warned that memory-chip valuations remain cyclical and vulnerable to supply, equipment, and policy risks.[10][13][6]
For traders, the practical catalysts are the final prospectus amendments, the listing timetable on the Shanghai STAR Market, and any updates on proceeds, share count, or greenshoe use, because those directly affect the market-cap maths on day one. The main divergence across platforms is that sportsbook-style pricing is not publicly visible here, while the prediction-market signal is more conservative than analyst commentary that has floated post-listing values of 3 trillion to 5 trillion yuan, implying the contract is mostly trading the probability of a merely adequate debut rather than a euphoric rerating.[2][5][6]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.
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
- 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within 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.
Trade CXMT IPO Closing Market Cap Above …? on Best Prediction Markets
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