Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 400B+ yuan | 100% |
| <250B yuan | 0% |
| 250–280B yuan | 0% |
| 280–310B yuan | 0% |
| 310–340B yuan | 0% |
| 340–370B yuan | 0% |
| 370–400B yuan | 0% |
| No IPO by December 31, 2026 | 0% |
Market context
CXMT is seeking a Shanghai STAR Market listing, and the event here turns on the company’s **closing market capitalisation on its first trading day**, not just whether the flotation prices and lists successfully. Public reporting has pointed to an offer price of **RMB 8.66** and an implied pre-greenshoe valuation of about **RMB 579.2 billion** at that level, which is the key anchor for judging where the market might settle if the deal completes and secondary trading is orderly.[2] Bloomberg’s reporting also says the company has already secured authorisation from the Shanghai Stock Exchange for the IPO, with the offer expected to be at least **10% of shares** and proceeds of roughly **RMB 29.5 billion**.[8]
For comparison, the current market pricing looks far more aggressive than the early deal maths. Morningstar said its fair value estimate was **CNY 14.90**, above the IPO price, which implies upside if the stock trades strongly after listing.[1] That matters because first-day market cap outcomes often hinge on whether the opening order book, lock-up expectations and any retail enthusiasm push the stock well above the offer price. On Polymarket, the market is quoted as implied probability; on Kalshi it would usually be framed similarly in probability terms, while Betfair and Smarkets would show decimal odds with their own commission structures, making the same view look slightly different after fees. Access also differs: Polymarket and Kalshi are typically more tightly tied to jurisdictional/KYC constraints than exchange-style UK books such as Betfair or Smarkets.
The main catalysts are straightforward: formal IPO approval, the final offer size and pricing, the listing date, and any revision to the prospectus or shares offered. If the Shanghai timetable slips, this market can drift back towards the “no IPO by 31 December 2026” outcome regardless of valuation chatter. The most useful live signal is whether CXMT proceeds with a Star Market debut at all, because once pricing is fixed, the closing cap will mostly depend on first-day trading demand rather than the fund-raising headline.[8][6]
Methodology
We read CXMT IPO Closing Market Cap from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative UK has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative UK offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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