TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Troy Williamson vs Callum Simpson
kalshi

Who will win Troy Williamson vs Callum Simpson?

Volume:
$100,438

Callum Simpson

 - Kalshi

Callum Simpson - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 9, 2026

Closed: Aug 8, 8:39 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

Callum Simpson

View
100%
40%
Yes 100¢No 0¢
100¢
N/A
$44,435
N/A
N/A
$28,813
Settled
Yes
kalshi

Troy Williamson

0%
41%
Yes 0¢No 100¢
100¢
N/A
$56,003
N/A
N/A
$35,389
Settled
No
Total markets: 2

Description

A match between two athletes promises intense action as they battle for dominance in the ring. Both competitors have trained extensively to claim victory in this showdown.

Kalshi

If Troy Williamson wins the Troy Williamson vs Callum Simpson boxing match originally scheduled for Aug 8, 2026, then the market resolves to Yes. If Callum Simpson wins the Troy Williamson vs Callum Simpson boxing match originally scheduled for Aug 8, 2026, then the market resolves to Yes.

Frequently asked questions

On Kalshi, the Williamson vs Simpson fight market dashboard tracks real-time odds, price movements, and 24-hour volume for the Williamson vs Simpson fight market. It shows how traders on Kalshi are pricing the fight as it approaches, with updates reflecting market sentiment and any new information that influences the contest. The dashboard highlights the current top outcome probability and volume of $83,812 to help users monitor activity and trends.

Prediction market odds on Kalshi reflect the collective wisdom of traders investing real money, often showing different lines compared to traditional sportsbook odds. While sportsbooks may set their lines based on broader public betting patterns and adjusted margins, this market prices in based on trader assessments of fight dynamics, recent performance, and any insider insights available to participants. The difference can provide a unique perspective on expected outcomes.

On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, this market is priced through continuous trading where participants buy and sell contracts representing each boxer's chances of winning. The current implied probability reflects the collective assessment of all traders on the platform, influenced by recent news, fighter performance updates, and overall market sentiment leading up to the event.

This market resolves around Aug 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be determined by the official declaration of the winner, which is then matched against the market's predefined conditions to finalize the settlement.

Key signals such as injury updates, training camp performance, media weigh-ins, and any last-minute changes in fighter conditions could shift this market. Traders on Kalshi will also react to betting trends, expert predictions, and broader public sentiment in the weeks leading up to the bout, all of which can cause significant price swings as new information emerges.