TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 20, 10:20 PM EST
Kalshi
These markets track individual player performance in the June 20, 2026 matchup between the New York Mets and Philadelphia Phillies, specifically measuring how many total bases each player accumulates during the game. Total bases are calculated by counting singles as 1 base, doubles as 2 bases, triples as 3 bases, and home runs as 4 bases.
Settlement is based on total bases recorded by each player during the scheduled game on June 20, 2026. Only players in the starting lineup who record at least one plate appearance will have their performance counted toward settlement. If a player is scratched or not included in the starting lineup, the market resolves to fair market price. If a starting player does not record a plate appearance, the market also resolves to fair market price. Pinch-hit at-bats do not count toward any player's total; only at-bats by players who started the game are considered. Each market outcome corresponds to a specific threshold of total bases for its designated player, with settlement determined by the actual total bases accumulated during the game.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate beliefs from traders risking real capital on outcomes. This market may show different implied probabilities than traditional sportsbooks, especially as new information emerges or casual versus sophisticated traders dominate activity. Comparing the two can reveal where market consensus differs from bookmaker pricing.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and offers on shares representing different total bases outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the most recent trades and pending orders, updating in real time as new information arrives or sentiment shifts. Traders profit or lose based on whether their positions move in their favor before the market closes, creating strong incentives for accurate pricing.
This market resolves around Jun 21, 2026, once the Mets-Phillies game concludes and the final result is verifiable from credible public sources. The outcome is determined by the combined total bases recorded by both teams during the contest. Once the game is official and statistics are confirmed, the market settles based on whether the actual total bases falls into the predicted range, and traders' positions are credited or debited accordingly.
Key catalysts for this market include lineup announcements, injury updates to star players, weather conditions at game time, and recent offensive performance trends for both teams. Bullpen strength and matchup-specific factors like left-right splits can shift expectations around run production. As game time approaches, late-breaking news about player availability or field conditions often triggers sharp repricing. Real-time game developments—early scoring, pitching changes—will also influence how traders adjust their positions before the final outcome is locked in.