Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| CA Tigre O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| CA Tigre 2nd Half O/U 0.5 | 100% |
| CA Tigre (-1.5) | 0% |
| CA River Plate (-1.5) | 0% |
| CA Tigre (-2.5) | 0% |
| CA River Plate (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| CA Tigre O/U 1.5 | 0% |
| CA Tigre O/U 2.5 | 0% |
| CA River Plate O/U 0.5 | 0% |
| CA River Plate O/U 1.5 | 0% |
| CA River Plate O/U 2.5 | 0% |
| CA Tigre 1st Half O/U 0.5 | 0% |
| CA Tigre 1st Half O/U 1.5 | 0% |
| CA River Plate 1st Half O/U 0.5 | 0% |
| CA River Plate 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| CA Tigre 2nd Half O/U 1.5 | 0% |
| CA River Plate 2nd Half O/U 0.5 | 0% |
| CA River Plate 2nd Half O/U 1.5 | 0% |
Market context
CA Tigre meet CA River Plate in the Primera División Argentina, with the market’s 0% YES pricing implying that a matching event is being treated as effectively impossible, rather than merely long-shot. That sits far outside the wider betting picture: mainstream books in the results still make River Plate a narrow favourite or at worst a modest away price, with decimal odds around 2.20-2.25 on River and roughly 3.30-3.40 on Tigre, alongside a draw near 2.95-2.95[3][6][12]. On a platform-comparison basis, Polymarket-style crowd pricing is shown as implied probability, while Kalshi, Betfair and Smarkets usually surface the same view through different decimal or exchange formats, so the same opinion can look sharply different once fees, spreads and liquidity are factored in.
For context, comparable pre-match football markets on this fixture have typically clustered around River Plate favourites and relatively low-scoring expectations, with some books also leaning to “Both Teams To Score: No” and correct-score lines such as 1-0 or 0-1 near the front of the board[7][12]. That matters because “more markets” settlements can depend on whether the listed sub-market is tied to the full-time result, goals, cards or corners, and those dependencies often move more slowly than the headline match result. Traders should watch for team-news confirmations, last-minute scheduling or kick-off changes, and any book re-pricing after line-ups are released; the event page and odds boards already show the match as scheduled for 8 August at 4:00 PM ET / 20:00 BST-equivalent market time[2][6][8].
Methodology
This page compares CA Tigre vs. CA River Plate - More Markets specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
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.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets 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.
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