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% |
| Instituto AC Córdoba O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Instituto AC Córdoba 2nd Half O/U 0.5 | 100% |
| Instituto AC Córdoba (-1.5) | 0% |
| CA Gimnasia y Esgrima de Mendoza (-1.5) | 0% |
| Instituto AC Córdoba (-2.5) | 0% |
| CA Gimnasia y Esgrima de Mendoza (-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% |
| Instituto AC Córdoba O/U 1.5 | 0% |
| Instituto AC Córdoba O/U 2.5 | 0% |
| CA Gimnasia y Esgrima de Mendoza O/U 0.5 | 0% |
| CA Gimnasia y Esgrima de Mendoza O/U 1.5 | 0% |
| CA Gimnasia y Esgrima de Mendoza O/U 2.5 | 0% |
| Instituto AC Córdoba 1st Half O/U 0.5 | 0% |
| Instituto AC Córdoba 1st Half O/U 1.5 | 0% |
| CA Gimnasia y Esgrima de Mendoza 1st Half O/U 0.5 | 0% |
| CA Gimnasia y Esgrima de Mendoza 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% |
| Instituto AC Córdoba 2nd Half O/U 1.5 | 0% |
| CA Gimnasia y Esgrima de Mendoza 2nd Half O/U 0.5 | 0% |
| CA Gimnasia y Esgrima de Mendoza 2nd Half O/U 1.5 | 0% |
Market context
Instituto de Córdoba and Gimnasia y Esgrima de Mendoza are scheduled to meet in the Argentine Primera on 8 August, and the “more markets” contract is already priced at **0% YES** crowd-implied probability. That is consistent with a market that is asking not whether the game happens, but whether the exchange will list additional event contracts around it before the settlement window closes; on Polymarket, that probability is displayed directly, while on Kalshi or Betfair the same risk would usually be inferred from the bid, offer, or matched price rather than a simple yes/no crowd percentage.
The historical frame is thin but useful: Gimnasia Mendoza has had the edge in the head-to-head sample, winning three of the last four meetings and drawing one, with Instituto still without a win in that run[1][3]. The most recent meeting, in February 2026, finished 1-0 to Gimnasia Mendoza[13], while broader previews show both sides profile as low-scoring, with limited over-2.5-goal frequency and frequent clean sheets[2][9]. For traders comparing platforms, that matters because a yes/no market on “more markets” is usually driven less by team strength than by whether the exchange opens related sub-markets such as totals, handicaps, or player props; Betfair and Smarkets typically expose this through market depth and commission, whereas Kalshi’s fixed-fee structure and KYC access can make the same event look and trade differently.
The catalysts are procedural: traders should watch whether the fixture remains on schedule, whether the platform posts additional derivatives before kick-off, and whether any late competition or lineup news affects whether ancillary markets are considered sufficiently liquid to list. Recent matchbox updates and live previews confirm the game was still being tracked for 8 August, but they do not themselves imply extra markets will appear[6][7]. In practice, the most important swing factor here is platform policy rather than football news: if the exchange had not opened further contracts by the time the settlement clock starts, the YES side is likely to remain unfilled, which is why the current 0% signal is best read as a listing-availability bet rather than a view on the match itself.
Methodology
We read Instituto AC Córdoba vs. CA Gimnasia y Esgrima de Mendoza - More Markets 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.
- 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.
- 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.
- 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.
- 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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