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: Aug 8, 10:07 PM EST
Kalshi
This event group tracks the possible outcomes of the first half (halftime) of an upcoming Seattle Sounders FC vs. Vancouver Whitecaps FC match scheduled for August 16, 2026. The markets cover three possible scenarios: Seattle leading at halftime, a draw at halftime, or Vancouver leading at halftime.
In the upcoming MLS game between Seattle Sounders FC and Vancouver Whitecaps FC, scheduled for August 16, 2026 at 10:30 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.
If Portland is the winner of the first half of regulation time in the Seattle vs Portland women's Pro Basketball game originally scheduled for Aug 8, 2026, then the market resolves to Yes. If Seattle is the winner of the first half of regulation time in the Seattle vs Portland women's Pro Basketball game originally scheduled for Aug 8, 2026, then the market resolves to Yes. If Tie is the result of the first half of regulation time in the Seattle vs Portland women's Pro Basketball game originally scheduled for Aug 8, 2026, then the market resolves to Yes.
Price differences between Polymarket and Kalshi on this market can stem from varying user participation, liquidity levels, and fee structures. 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. For instance, if one platform attracts more international traders, regional biases might shift its odds. Additionally, differing trading volumes — $83,384 overall versus $83,273 in the last day — influence how quickly prices adjust. Market design elements like fees or minimum order sizes also affect how traders place bets, leading to distinct price discovery paths on each venue.
Injuries, weather delays, or strategic lineup changes can all shift expectations for the first half and move this market. Key moments — such as early goals, yellow cards, or tactical adjustments — may cause rapid swings in trader sentiment. Additionally, momentum shifts observed in live gameplay often influence betting patterns, especially as the half progresses toward its conclusion.