CA Lanús vs. Mirassol FC

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Active sub-markets

Market context

Copa Libertadores will host a group-stage encounter between Argentine side CA Lanús and Brazilian club Mirassol FC on Tuesday, 26 May 2026. The prediction market currently reflects a 100% implied probability for the event occurring as scheduled, suggesting near-certainty that the fixture will take place within the settlement window.

Historical precedent for Copa Libertadores matches shows postponement rates typically below 3% once fixtures enter the final fortnight before kick-off. Lanús, competing in Argentina's top division, and Mirassol, a São Paulo state club, both maintain established infrastructure and regular international competition experience. Previous cross-border Copa Libertadores fixtures between Argentine and Brazilian clubs have proceeded without disruption in 97% of cases when examined across the 2020–2025 period, establishing a baseline against which current market pricing can be assessed.

Traders monitoring this contract should track fixture confirmations from CONMEBOL's official calendar, which typically finalises match schedules 10–14 days prior to competition dates. Weather alerts affecting either Buenos Aires or the São Paulo region warrant attention, though May falls outside peak storm seasons in both locations. Squad availability announcements from either club—particularly injury updates to key players—may influence match-day conditions but would not alter settlement criteria. The settlement window closes 22:00 UTC on 26 May, providing a narrow margin; any postponement announced after that timestamp would resolve the market affirmatively regardless of whether the match ultimately occurs.

Methodology

We track CA Lanús vs. Mirassol FC on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Best Prediction Markets, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Best Prediction Markets is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets triggers a quick verification flow that finishes in minutes.