Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
64% | 36% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
64% | 36% | 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 |
|---|---|
| BN | 64% |
| Party B | 50% |
| Party C | 50% |
| Party D | 50% |
| Party E | 50% |
| Party F | 50% |
| Party G | 50% |
| Party H | 50% |
| Party I | 50% |
| Party J | 50% |
| Party K | 50% |
| Party L | 50% |
| Party M | 50% |
| Party N | 50% |
| Party O | 50% |
| Party P | 50% |
| Party Q | 50% |
| Party R | 50% |
| Other | 50% |
| PH | 35% |
| PN | 0% |
| Bersatu | 0% |
Market context
The immediate shift is that Negeri Sembilan is now in full campaign mode, with nominations closed and early voting due on 28 July before polling on 1 August. That puts the contest into its final, high-information stretch, and the market’s 64% YES price is effectively a read on whether Pakatan Harapan can keep enough seats in a fragmented field to remain the largest bloc.
Recent reporting frames this as a tighter race than the 2023 state poll, when PH and BN were allies, because they are now competing directly while Perikatan Nasional is also in the field. Analysts cited in recent coverage say the new BN–PN non-clash arrangement could improve efficiency in key seats, but most still treat PH as competitive in urban and mixed constituencies and expect a result decided by only a few seats either way.[1][3][6][8] That makes the current probability easier to read as a modest incumbent-advantage price, not a strong conviction signal.
The main catalysts now are turnout, late-campaign momentum, and whether the seat-level three-cornered fights break towards PH or the BN–PN side. Traders should watch for any final candidate withdrawals, turnout cues from early voting, and polling-night result flow from the Election Commission’s portal, which will be the first authoritative source for seat totals as counting progresses.[10] The broader backdrop also matters: Johor’s recent result has raised the stakes for Anwar Ibrahim’s coalition, and Negeri Sembilan is being watched as another measure of how the PH-BN federal partnership is holding up under electoral pressure.[2][13]
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Today. 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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