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: May 30, 1:31 AM EST
Kalshi
A professional baseball game between two teams scheduled for May 29, 2026, where various players from both teams may accumulate bases through hits and other plays during the game.
Prediction market odds on Kalshi often diverge from traditional sportsbook lines because they reflect a different participant base and incentive structure. Sportsbooks set odds to balance liability and extract margin, while prediction markets aggregate belief from traders risking real capital. For Arizona vs Seattle: Total Bases, comparing Kalshi implied probabilities to major sportsbook totals can reveal where the crowd disagrees with professional oddsmakers. Prediction markets tend to be more efficient at incorporating late-breaking information, such as lineup changes or weather updates, making them a useful cross-check against static sportsbook pricing.
On Kalshi, Arizona vs Seattle: Total Bases is priced as a binary contract reflecting the probability of a specific total bases outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The contract trades between 0 and 100 cents, with the mid-price representing the market's consensus belief. Kalshi's order-book model allows traders to place limit orders or take existing liquidity, and prices update continuously as new trades execute. The spread between bid and ask reflects current liquidity; tighter spreads indicate higher confidence and trading activity, while wider spreads suggest lower participation or higher uncertainty around the outcome.
Several factors can shift Arizona vs Seattle: Total Bases odds before the game. Lineup announcements, injuries to key hitters, or roster changes will influence expected offensive output. Weather conditions—wind speed and direction, temperature, and humidity—affect ball carry and can increase or decrease total bases. Pitching matchups matter significantly; dominant starters typically suppress totals, while weaker pitchers or bullpen usage can elevate them. Recent team form, batting averages, and strikeout rates also drive market repricing. Late-breaking news such as weather updates closer to game time or unexpected roster moves often trigger sharp price movements as traders adjust their positions.