TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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James Osborne vs Ollie Cooper
kalshi

James Osborne vs Ollie Cooper

Volume:
$33,047

Ollie Cooper

 - Kalshi

Ollie Cooper - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved May 29, 2026

Closed: May 29, 5:49 PM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Ollie Cooper

View
100%
Yes 100¢No 0¢
100¢
N/A
$18,460
N/A
N/A
$8,123
Settled
Yes
kalshi

James Osborne

0%
Yes 0¢No 100¢
100¢
N/A
$14,587
N/A
N/A
$8,712
Settled
No
Total markets: 2

Intro

This market tracks the outcome of a scheduled boxing match between James Osborne and Ollie Cooper. On Kalshi, Ollie Cooper is priced at 58.5% to win the bout, while James Osborne holds 42.0% probability. The market will resolve based on the official result of their match as determined by the sanctioning body. Bettors should monitor training camp updates and any official announcements leading up to the May 29, 2026 fight date.

Frequently asked questions

The PredictionHero dashboard for James Osborne vs Ollie Cooper tracks real-time odds and trading activity on Kalshi. You can monitor the current implied probability for each outcome, view historical price movements, and observe 24-hour trading volume to gauge market interest and liquidity. The dashboard updates continuously as traders place new orders, giving you a live window into how the prediction market is pricing this matchup. This data helps you understand market sentiment and identify shifts in expectations as new information emerges.

Prediction market odds on Kalshi often differ from traditional sportsbook odds because they reflect real-time trader sentiment rather than fixed lines set by oddsmakers. Sportsbooks adjust for margin and manage liability, while prediction markets aggregate distributed beliefs from many participants. For James Osborne vs Ollie Cooper, comparing Kalshi implied probabilities to major sportsbook lines can reveal whether the crowd is more or less confident than professional bookmakers. These differences can signal value or highlight information asymmetries between venues.

On Kalshi, James Osborne vs Ollie Cooper is priced as a binary contract where traders buy or sell shares corresponding to each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the market's collective estimate of that outcome's probability, ranging from $0.00 to $1.00. As traders place orders, the price adjusts in real time. You can enter limit or market orders to take a position, and your profit or loss is determined by the final settlement price when the event resolves. Kalshi's transparent order book shows depth and recent trades, helping you assess liquidity before executing.

The James Osborne vs Ollie Cooper market is scheduled to resolve on May 29, 2026. Resolution is determined by the official result of the matchup between the two competitors. Once the event concludes and the outcome is confirmed, the market will settle and traders' positions will be finalized based on which outcome occurred. Monitoring official sources and announcements closer to the event date will help you stay informed on any timing updates or clarifications.

Several factors could shift market odds for James Osborne vs Ollie Cooper before May 29, 2026. Recent performance data, injury reports, training updates, or public statements from either competitor can influence trader sentiment. Changes in public perception, media coverage, or expert analysis may also drive price movement. Additionally, any rule changes, venue updates, or scheduling adjustments could impact expectations. Traders actively monitor these signals and adjust positions accordingly, so staying informed on relevant news and developments is key to understanding price dynamics in this market.