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: Jun 8, 10:00 AM EST
Kalshi
Professional racing drivers compete in the Main Event at the 2026 Grand Prix of Madison. The event determines which drivers achieve a top-3 finish in this IndyCar race.
On Kalshi, Grand Prix of Madison: Top 3 Finishers contracts are priced as binary yes/no outcomes for each driver's top-three finish probability. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy or sell shares at prices between 0 and 100 cents, where the price reflects the crowd's estimated probability of that driver finishing in the top three. Kalshi's continuous order book allows real-time price discovery as new information emerges. Each driver's contract trades independently, and prices adjust dynamically based on supply and demand from the trading community.
The Grand Prix of Madison: Top 3 Finishers market resolves on Jun 8, 2026, following the conclusion of the race. Resolution is determined by the official final finishing order published by IndyCar, which identifies the three drivers who cross the finish line in first, second, and third positions. Each driver contract resolves based on whether that specific driver achieved a top-three finish in the official results. Trades cease at market close, and payouts are distributed according to the final outcome.
Several factors can shift odds before the Grand Prix of Madison: driver injuries or illness, team performance updates, qualifying results, weather forecasts, and mechanical issues during practice sessions. Changes in fuel strategy, tire allocation, or track conditions closer to race day often trigger repricing. Major news about driver transfers, team changes, or car setup breakthroughs can also move markets. As Jun 8, 2026 approaches, real-time qualifying and practice data typically become the strongest price drivers, with final adjustments occurring in the hours before the race begins.