TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 10:08 PM EST
Polymarket
More markets for the Copa Sudamericana game, scheduled for July 21 at 6:00 PM ET.
More markets for the Copa Sudamericana game, scheduled for July 21 at 6:00 PM ET.
Prediction market odds and sportsbook odds often diverge because they reflect different pricing models. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets are driven by trader consensus—what the crowd believes will happen. This market aggregates the collective judgment of many independent traders, which can sometimes spot value that traditional sportsbooks miss or lag on. Comparing the two can reveal where public opinion and professional oddsmakers disagree.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares representing each outcome, and the cumulative order flow determines the price. As more capital flows toward one outcome, its price rises, reflecting increased confidence. This continuous pricing mechanism ensures transparent, liquid discovery of what the market believes will occur.
This market resolves around Jul 21, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect what actually occurred during the match—whether it was a win, loss, or draw for either side. Traders holding the correct outcome receive their payout once the event concludes and the result is finalized on the platform.
Key catalysts include team news such as injury announcements, lineup confirmations, or managerial changes that affect perceived strength. Recent form, head-to-head history, and any off-field developments can shift trader positioning. As the match date approaches, late-breaking updates—weather conditions, last-minute roster moves, or betting-market activity—often trigger sharp repricing. Traders monitor these signals continuously, so this market can shift substantially in the final hours before kickoff.