San Jose Earthquakes vs. St. Louis City SC

Platform comparison

Market context

San Jose Earthquakes will host St. Louis City SC in Major League Soccer on Saturday, 15 August 2026. The settlement window closes just after midnight UTC on 16 August, giving traders roughly 26 hours from kickoff to resolve the outcome. The 0% implied probability suggests either extreme confidence in a non-YES result or minimal trading activity; either way, the market lacks depth typical of established fixtures.

Historical MLS matchups between expansion or rebuilding franchises often exhibit volatile pricing in the lead-up to fixture day. St. Louis City SC, having joined MLS in 2023, remains in a development phase with inconsistent form; San Jose has cycled through multiple roster iterations since 2018. Direct head-to-head records between these sides are limited, making comparable precedent scarce. Traders evaluating this market should cross-reference seasonal standings, recent form sheets, and injury reports rather than relying on historical averages. Programmatically, a bot monitoring MLS official team news feeds and lineup confirmations 48–72 hours before kickoff would capture material shifts in team composition that often precede probability adjustments in thin markets.

Key catalysts include official team-sheet releases (typically Friday for Saturday fixtures), weather conditions in San Jose, and any late-breaking roster changes. MLS injury announcements and suspension notices frequently arrive via official league channels and club social media within 48 hours of match day. Conditional order logic—triggering buys or sells on confirmed lineup data—remains the most reliable approach for markets with minimal historical depth and low current liquidity.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi Fees, which mirrors the Polymarket order book directly.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.