TOTAL VOLUME:

$134b

24H VOL:

$107,351,958

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,416,970,024

400,720

Markets across

30,097

events

MATCHED EVENTS:

2,633

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Counter-Strike: Natus Vincere vs B8 (BO3) - BLAST Open Rotterdam Group A
kalshi
polymarket

Counter-Strike: Natus Vincere vs B8 (BO3) - BLAST Open Rotterdam Group A

Volume:
$2,280,350

Match Winner

all

2 markets

Polymarket

Kalshi

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Mar 19, 2026

Closed: Mar 18, 2:45 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Match Winner

View
100%
Yes 100¢No 0¢
—
N/A
$905,673
N/A
N/A
N/A
Settled
Yes
kalshi

Natus Vincere

View
100%
Yes 100¢No 0¢
—
N/A
$101,575
N/A
N/A
$82,497
Settled
Yes
polymarket

Map 1 Winner

View
100%
Yes 100¢No 0¢
—
N/A
$481,002
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 2.5 Games

View
100%
Yes 100¢No 0¢
—
N/A
$66,280
N/A
N/A
N/A
Settled
Yes
polymarket

Odd/Even Total Kills

View
100%
Yes 100¢No 0¢
—
N/A
$92
N/A
N/A
N/A
Settled
Yes
polymarket

Map 2 Winner

View
0%
Yes 0¢No 100¢
—
N/A
$513,634
N/A
N/A
N/A
Settled
No
polymarket

Map Handicap: NAVI (-1.5) vs B8 (+1.5)

View
0%
Yes 0¢No 100¢
—
N/A
$150,011
N/A
N/A
N/A
Settled
No
kalshi

B8

View
0%
Yes 0¢No 100¢
—
N/A
$59,233
N/A
N/A
$49,314
Settled
No
polymarket

Odd/Even Total Rounds

View
0%
Yes 0¢No 100¢
—
N/A
$888
N/A
N/A
N/A
Settled
No
polymarket

Odd/Even Total Rounds

View
0%
Yes 0¢No 100¢
—
N/A
$858
N/A
N/A
N/A
Settled
No
polymarket

Odd/Even Total Rounds

View
0%
Yes 0¢No 100¢
—
N/A
$493
N/A
N/A
N/A
Settled
No
polymarket

Odd/Even Total Kills

View
0%
Yes 0¢No 100¢
—
N/A
$452
N/A
N/A
N/A
Settled
No
polymarket

Odd/Even Total Kills

View
0%
Yes 0¢No 100¢
—
N/A
$160
N/A
N/A
N/A
Settled
No
Total markets: 13

Description

This market refers to the Counter-Strike match between Natus Vincere and B8 in the BLAST Open Rotterdam Group A, scheduled for March 18 at 9:30AM ET. This market will resolve to "Natus Vincere" if Natus Vincere win the match against B8. This market will resolve to "B8" if B8 win the match against Natus Vincere. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one team wins due to the opponent's forfeiture, disqualification, or walkover, this market will resolve to the team who wins. If the match ends in a forfeit, disqualification, or walkover (team withdraws before the start and the other wins automatically), this market will resolve to 50-50. The resolution source for this market will be official information from https://hltv.org. However, if https://hltv.org has not published final results within 2 hours after the event’s conclusion, a consensus of credible reporting may be used instead including video evidence.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi and Polymarket use fundamentally incompatible resolution logic. Kalshi's markets (items 1-2) resolve based on tournament outcome regardless of the specific BO3 match result, while Polymarket's markets (items 3-23) resolve based on the actual BO3 match between Natus Vincere and B8. This creates a logical contradiction: Kalshi can resolve YES for either team winning the tournament, but Polymarket requires a definitive match winner or 50-50 resolution.Hero tip: Do not cross-hedge Kalshi and Polymarket markets in this group. Kalshi's tournament-outcome markets may resolve YES even if the BO3 match is canceled, forfeited, or delayed beyond 7 days (triggering 50-50 on Polymarket). Conversely, if the BO3 match completes with a clear winner, Polymarket resolves definitively while Kalshi's resolution depends on the entire tournament outcome, which may not yet be determined.

Critical divergence points:

  • Kalshi: Outlier: Kalshi's two markets (items 1-2) resolve YES if either Natus Vincere OR B8 wins the entire BLAST Open Rotterdam 2026 tournament, not the specific BO3 match. The resolution statement 'If Natus Vincere wins the BLAST Open Rotterdam 2026... then the market resolves to Yes' and 'If B8 wins the BLAST Open Rotterdam 2026... then the market resolves to Yes' both trigger YES, making both markets simultaneously resolvable to YES depending on tournament outcome. This is decoupled from the BO3 match result itself.
  • Polymarket: Aligned with standard esports match resolution: Polymarket's 21 markets (items 3-23) all resolve based on the actual BO3 match result between Natus Vincere and B8 on March 18, 2026. Core logic states 'This market will resolve to Natus Vincere if Natus Vincere win the match against B8' and 'This market will resolve to B8 if B8 win the match against Natus Vincere,' with 50-50 fallback if the match is canceled, forfeited, or delayed beyond 7 days without completion. All map-specific and aggregate markets depend on match completion and actual in-game outcomes.
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.