TOTAL VOLUME:

$134.2b

24H VOL:

$129,159,707

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2,388,728,490

OPEN INTEREST:

$1,442,132,418

404,744

Markets across

30,489

events

MATCHED EVENTS:

2,691

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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UFC Fight Night: Bilal Hasan vs. Nilson Rojas (Flyweight, Main Card)
polymarket
kalshi

Who will win Bilal Hasan vs. Nilson Rojas?

Volume:
$1,003,229

Bilal Hasan

 - Kalshi

Bilal Hasan - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 29, 2026

Closed: Aug 29, 6:34 AM 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

Bilal Hasan

View
100%
Yes 100¢No 0¢
100¢
N/A
$312,586
N/A
N/A
$263,223
Settled
Yes
polymarket

Bilal Hasan vs. Nilson Rojas

View
100%
14%
Yes 100¢No 0¢
0.1¢
N/A
$177,441
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 0.5 Rounds

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$2,255
N/A
N/A
N/A
Settled
Yes
polymarket

Hasan to win by KO/TKO?

View
100%
43%
Yes 100¢No 0¢
0.1¢
N/A
$1,349
N/A
N/A
N/A
Settled
Yes
polymarket

Fight won by KO/TKO?

View
100%
34%
Yes 100¢No 0¢
0.1¢
N/A
$835
N/A
N/A
N/A
Settled
Yes
kalshi

Nilson Rojas

View
0%
Yes 0¢No 100¢
100¢
N/A
$452,235
N/A
N/A
$382,858
Settled
No
polymarket

Fight to Go the Distance?

View
0%
33%
Yes 0¢No 100¢
—
N/A
$31,524
N/A
N/A
N/A
Settled
No
polymarket

Fight won by submission?

View
0%
10%
Yes 0¢No 100¢
—
N/A
$18,523
N/A
N/A
N/A
Settled
No
polymarket

O/U 1.5 Rounds

View
0%
62%
Yes 0¢No 100¢
—
N/A
$5,992
N/A
N/A
N/A
Settled
Yes
polymarket

Rojas to win by KO/TKO?

View
0%
8%
Yes 0¢No 100¢
—
N/A
$478
N/A
N/A
N/A
Settled
No
polymarket

O/U 2.5 Rounds

View
0%
Yes 0¢No 100¢
—
N/A
$12
N/A
N/A
N/A
Settled
Yes
Total markets: 11

Intro

This market tracks whether the UFC Fight Night bout between Bilal Hasan and Nilson Rojas, scheduled for August 29, 2026, will last over or under 1.5 rounds. The aggregated consensus probability for the leading outcome, O/U 1.5 Rounds, is 10.0% across Polymarket and Kalshi. Resolution is based on official information from the UFC. Watch the fight on August 29, 2026, as it will determine the outcome.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

All markets across Polymarket and Kalshi share identical resolution logic tied to official UFC results with consistent handling of edge cases like draws, no contests, and cancellations.Primary resolution logic: Official information from the UFC

Core resolution logic:

  • Winner markets resolve to declared winner; 50-50 for draws, no contests, cancellations, or postponements beyond September 12, 2026
  • Method markets (KO/TKO, Submission) resolve Yes/No based on official finish; 50-50 for edge cases
  • Round duration markets resolve Over/Under based on actual round completion; 50-50 for exact thresholds or cancellations
  • All markets require official UFC declaration for resolution

Edge cases & clarifications:

  • Draw/No Contest: All markets resolve 50-50 for draws, technical draws, no contests, or fights canceled/postponed beyond September 12, 2026
  • Exact Threshold: Round duration markets resolve 50-50 if fight ends exactly at threshold time (e.g., 2:30 of Round 1 for O/U 0.5 Rounds)
Timing: Resolution occurs after official UFC declaration, no later than September 12, 2026 for canceled/postponed eventsOur 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 "Bilal Hasan" if Bilal Hasan is officially declared the winner of the fight against Nilson Rojas at UFC Fight Night: Nurmagomedov vs. Song, scheduled for August 29, 2026. It will resolve to "Nilson Rojas" if Nilson Rojas 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 September 12, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.

Kalshi

If Bilal Hasan wins the Hasan vs Rojas professional MMA fight originally scheduled for Aug 29, 2026, then the market resolves to Yes. If Nilson Rojas wins the Hasan vs Rojas professional MMA fight originally scheduled for Aug 29, 2026, then the market resolves to Yes.

Frequently asked questions

The dashboard for the Hasan vs. Rojas fight outcome market aggregates real-time data from multiple platforms, showing how traders price the possible results of this fight. It tracks overall volume of $1,003,229 and 24-hour volume of $958,289, letting users see where consensus lies across venues. The view updates continuously, reflecting shifts in sentiment as the event approaches, and provides a snapshot of market confidence in each potential outcome under this market.