TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 20, 9:57 PM EST
Polymarket
This event group covers various betting markets for the upcoming Copa Sudamericana soccer match between Club Olimpia and CR Vasco da Gama, including spread bets, over/under totals, and half-specific outcomes.
More markets for the Copa Sudamericana game, scheduled for August 20 at 6:00 PM ET.
The event evaluates various winning margins for Olimpia and Vasco da Gama in their CONMEBOL Sudamericana match scheduled for August 20, 2026, considering only regulation time (90 minutes plus stoppage time, excluding extra time or penalties). Four distinct outcomes are possible: Olimpia winning by more than 2.5 goals, Olimpia winning by more than 1.5 goals, Vasco da Gama winning by more than 1.5 goals, or Vasco da Gama winning by more than 2.5 goals. Each market resolves to 'Yes' if the specified condition is met; otherwise, it resolves to 'No'. The rules clarify that Kalshi, the platform hosting this event, holds no official affiliation with the governing league, and all trademarks remain property of their respective owners.
Prediction market odds often differ from traditional sportsbook lines because they reflect crowd-sourced forecasts rather than set operator margins. In this market, the decentralized nature of trading lets prices adjust quickly to new information, such as player injuries or weather changes. While sportsbooks may include a fixed overround to guarantee profit, prediction markets let odds float freely, sometimes producing sharper or more volatile estimates of the teams' chances.
On Polymarket and Kalshi, prices can diverge due to differences in user base, liquidity, and trading activity. Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform’s community may react differently to new information, such as recent team performance or managerial changes. Additionally, varying levels of volume — Polymarket showing higher interest than Kalshi — can cause one venue to price outcomes more aggressively, leading to noticeable gaps between the two.