Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) 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 |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| SC Internacional O/U 0.5 | 100% |
| SC Internacional 1st Half O/U 0.5 | 100% |
| O/U 1.5 | 81% |
| SC Internacional O/U 1.5 | 67% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| SC Internacional 2nd Half O/U 0.5 | 50% |
| SC Internacional 2nd Half O/U 1.5 | 50% |
| Clube do Remo 2nd Half O/U 0.5 | 50% |
| Clube do Remo 2nd Half O/U 1.5 | 50% |
| SC Internacional (-1.5) | 49% |
| O/U 2.5 | 48% |
| Both Teams to Score | 42% |
| Clube do Remo O/U 0.5 | 40% |
| SC Internacional O/U 2.5 | 28% |
| O/U 3.5 | 21% |
| SC Internacional (-2.5) | 20% |
| Clube do Remo O/U 1.5 | 10% |
| O/U 4.5 | 7% |
| O/U 5.5 | 2% |
| Clube do Remo (-1.5) | 1% |
| Clube do Remo (-2.5) | 1% |
| Clube do Remo O/U 2.5 | 1% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| SC Internacional 1st Half O/U 1.5 | 0% |
| Clube do Remo 1st Half O/U 0.5 | 0% |
| Clube do Remo 1st Half O/U 1.5 | 0% |
Market context
SC Internacional host Clube do Remo in Brazil Série A at Beira-Rio, with kick-off set for 17 August at 7:00 pm ET and the market closed on 17 August at 23:00 UTC. The crowd-implied 49% YES leaves this priced close to even money, which fits a fixture where the home side has the stronger league position but not enough separation to make the outcome look one-sided[1][6][9].
The historical frame points to a low-margin game rather than a clear favourite’s walkover. The sides have already met once this season, finishing 1-1 in February, and current standings show Internacional slightly ahead of Remo on points and goal difference, with both teams clustered in the lower half of the table[2][6][7]. That is consistent with a market sitting near the middle: modest home edge, limited headroom, and enough uncertainty for late moves on team news to matter.
The main catalyst remains pre-match team announcements and whether Internacional confirm a settled line-up before kick-off. Recent coverage noted no reported injuries or suspensions for Internacional at that stage, while broadcast listings and live match pages confirm the scheduled start and venue, leaving the market leaning on line-up news rather than any broader form shock[4][7][14]. With the game already past the settlement window, any final adjustment would have come from late declarations, not from new polling-style information or external campaign-finance-style disclosures.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for SC Internacional vs. Clube do Remo - More Markets plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
UK Frequently Asked Questions
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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