TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 7:24 PM EST
Kalshi
This event group covers the halftime result of a Brasileiro Serie B soccer match between Operário Ferroviário EC and AA Ponte Preta scheduled for July 22, 2026. Polymarket offers three binary markets (Operário win, draw, Ponte Preta win at halftime), while Kalshi offers three over/under markets on total first-half goals (0.5, 1.5, 2.5). The markets measure different dimensions of halftime performance.
In the upcoming Brazil Serie B game between Operário Ferroviário EC and AA Ponte Preta, scheduled for July 22, 2026 at 6:30 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
This event measures the total goals scored by both Ferroviario and Ponte Preta combined during the first half of their professional Brasileiro Serie B soccer match originally scheduled for July 22, 2026. Only goals scored during the first half count toward resolution. Three outcomes are available based on whether the combined first-half goal total exceeds 0.5, 1.5, or 2.5 goals. If the match is cancelled or rescheduled to more than two weeks away, the market will resolve to a fair price in accordance with the rules.
Prediction markets like those tracked here operate on continuous, trader-driven pricing rather than fixed sportsbook lines. Instead of a bookmaker setting odds and taking a margin, thousands of independent traders on Polymarket and Kalshi set prices through supply and demand. This often produces tighter spreads and faster reaction to breaking news. Sportsbooks may lag behind prediction markets during fast-moving events, and the two venues can diverge significantly on the same outcome. Many traders monitor both to identify mispricings and arbitrage opportunities, making prediction markets a complementary lens to traditional sports betting.
Team news—injuries, lineup changes, or tactical shifts announced before kickoff—can shift odds sharply as traders reassess win probability. Early match momentum, particularly goals or near-misses in the opening minutes, often triggers rapid repricing on both platforms. Weather conditions, referee assignments, or last-minute venue changes may also influence trader sentiment. Social media buzz, expert commentary, and historical head-to-head trends can amplify or dampen conviction. As kickoff approaches, liquidity typically increases, making the market more responsive to each new development and tightening the spread between buy and sell prices.