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UFC Fight Night: Jared Cannonier vs. Christian Leroy Duncan (Middleweight, Main Card)
kalshi
polymarket

Who will win the Cannonier vs. Duncan middleweight fight?

Volume:
$4,778,603

Christian Duncan

 - Kalshi

Christian Duncan - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 19, 2026

Closed: Jul 18, 10:34 PM EST

kalshi

Kalshi

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

Christian Duncan

View
100%
Yes 100¢No 0¢
100¢
N/A
$1,854,214
N/A
N/A
$1,194,605
Settled
Yes
polymarket

O/U 2.5 Rounds

100%
Yes 100¢No 0¢
0.1¢
N/A
$48,448
N/A
N/A
N/A
Settled
Yes
polymarket

Fight to Go the Distance?

100%
Yes 100¢No 0¢
0.1¢
N/A
$24,775
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 0.5 Rounds

100%
Yes 100¢No 0¢
0.1¢
N/A
$1,189
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 1.5 Rounds

100%
Yes 100¢No 0¢
0.1¢
N/A
$3
N/A
N/A
N/A
Settled
Yes
kalshi

Jared Cannonier

0%
Yes 0¢No 100¢
100¢
N/A
$2,232,941
N/A
N/A
$1,655,292
Settled
No
polymarket

Jared Cannonier vs. Christian Leroy Duncan

0%
Yes 0¢No 100¢
—
N/A
$610,791
N/A
N/A
N/A
Settled
Yes
polymarket

Duncan to win by KO/TKO?

0%
Yes 0¢No 100¢
—
N/A
$2,787
N/A
N/A
N/A
Settled
No
polymarket

Cannonier to win by KO/TKO?

0%
Yes 0¢No 100¢
—
N/A
$1,973
N/A
N/A
N/A
Settled
No
polymarket

Fight won by submission?

0%
Yes 0¢No 100¢
—
N/A
$837
N/A
N/A
N/A
Settled
No
polymarket

Fight won by KO/TKO?

0%
Yes 0¢No 100¢
—
N/A
$647
N/A
N/A
N/A
Settled
No
Total markets: 11

Intro

This market tracks whether the UFC middleweight bout between Jared Cannonier and Christian Leroy Duncan will extend beyond 1.5 rounds. The aggregated consensus across Kalshi and Polymarket shows 99.0% probability for the over/under outcome, as resolved by official UFC records. The fight is scheduled for July 18, 2026, at UFC Fight Night: Du Plessis vs. Usman, with market resolution occurring the day after the event concludes on July 19, 2026.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Polymarket provides comprehensive, edge-case-aware resolution logic across seven distinct markets (winner, distance, KO/TKO methods, submission, round thresholds). Kalshi offers only a bare-bones binary outcome market with no method-of-victory or contingency handling.Hero tip: Use Polymarket markets as the authoritative resolution framework. Kalshi's market is a simplified proxy that does not address draws, No Contest, technical decisions, or cancellations. If the fight is canceled or postponed beyond August 1, 2026, Polymarket resolves to 50-50; Kalshi's outcome is undefined. Always cross-reference with official UFC announcements.

Critical divergence points:

  • Polymarket: Seven interconnected markets covering fight winner, distance (Yes/No), KO/TKO (general and fighter-specific), submission, and round thresholds (O/U 0.5/1.5/2.5). All include explicit 50-50 resolution for No Contest, non-scoring, cancellation, or postponement beyond August 1, 2026. Resolution source: official UFC information.
  • Kalshi: Single binary market: resolves Yes if either Cannonier or Duncan wins. No specification of method, distance, edge cases, or contingencies. Resolution source not stated. Implicitly assumes fight occurs and is scored.
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

This market will resolve to "Jared Cannonier" if Jared Cannonier is officially declared the winner of the fight against Christian Leroy Duncan at UFC Fight Night: Du Plessis vs. Usman, scheduled for July 18, 2026. It will resolve to "Christian Leroy Duncan" if Christian Leroy Duncan is officially declared the winner. If the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond August 1, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.

Kalshi

Resolution depends on the official fight outcome. If the fight is postponed or delayed, the market remains open and closes after the rescheduled bout concludes within two weeks. Ties or no-contests resolve at 50/50 for both fighters. If the fight is cancelled or rescheduled beyond two weeks, the market resolves to a fair price per standard rules.

Frequently asked questions

The Cannonier vs. Duncan fight market dashboard aggregates prediction data across Polymarket and Kalshi, letting you monitor real-time odds on multiple outcomes tied to this middleweight matchup. Traders on both venues are pricing their views on fight results, with volume flowing across both platforms. This market captures consensus sentiment on how the bout will unfold, from decisive finishes to distance outcomes. By tracking both venues side by side, you gain visibility into where smart money is positioned and how conviction shifts as fight week approaches.

Prediction markets like those tracked here operate on peer-to-peer pricing rather than sportsbook margins, often reflecting sharper consensus when volume is active. Sportsbooks build in juice and manage liability across many bettors; prediction markets instead aggregate trader conviction directly. For this fight, comparing this market's odds to traditional sportsbook lines can reveal where public perception diverges from professional oddsmakers. Prediction markets tend to move faster on new information and may price niche outcomes that sportsbooks avoid, making them useful for sophisticated fight analysis.

Fighter injury reports, training camp updates, and official weigh-in results are primary catalysts that shift odds before fight night. News of late replacements, weight-cut complications, or coaching changes can trigger sharp repricing. As the event date approaches, social media sentiment, expert commentary, and betting action from known sharp bettors often accelerate moves. On fight day itself, official fighter announcements, walkout order changes, or last-minute venue adjustments can create final volatility. Real-time fight footage during the bout will drive the most dramatic swings as traders react to visible performance and momentum shifts.