Once Caldas vs. América de Cali

Platform comparison

Market context

Once Caldas meet América de Cali in the Colombia Primera A on Wednesday 5 August 2026, and the market’s **0% YES** price is materially below what the historical matchup would normally suggest. Recent head-to-head records are balanced: one source has the teams level across 37 meetings since 2005, with 10 wins each and 17 draws[1][3], while another recent summary shows América slightly ahead but still with a heavy draw rate[2][4]. The most recent league meeting ended 1-1 in January 2026, and the broader run since late 2023 has produced several low-scoring, tight games, including 0-0, 1-1 and two 3-0 wins for Once Caldas[5][11][16]. That profile fits a match where a binary contract can trade far from football reality if the market is really pricing a specific outcome rather than simply “the game happens”.

For traders, the main catalysts are team news and whether the fixture stays on schedule, because a 0% market here usually reflects a contract-specific settlement issue rather than a strong football view. Line-up announcements, late injury or suspension news, and any last-minute competition rescheduling matter most, especially in a league where local pricing can shift sharply once starters are confirmed. At the cross-platform level, sportsbook-style databases and analyst-facing H2H tools point to a relatively even pairing with frequent draws[6][8][9], so a 0% implied probability looks like a clear outlier versus the matchup history; the key question is whether that divergence comes from thin liquidity, a stale contract, or a market definition that makes YES harder to realise than the fixture itself.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Once Caldas vs. América de Cali across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi vs Polymarket trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.