TOTAL VOLUME:

$61.9b

24H VOL:

$249,705,498

24H TRANSACTIONS:

600,069,390

OPEN INTEREST:

$1,354,509,605

579,516

Markets across

14,317

events

MATCHED EVENTS:

4,116

PLATFORM COVERAGE:

4

Polymarket:

50%

VS.

Kalshi:

50%

BETA
polymarket
kalshi

Olympiacos B.C. vs. Real Madrid? Odds & Prediction Markets

Volume:
$190,093
PredictionHero
Olympiacos B.C. vs. Real Madrid 100%
polymarket
Real Madrid 0%
kalshi
BC Olympiakos Piraeus 100%
kalshi
Apr 2026Apr 2026Apr 2026Apr 2026Apr 2026Apr 2026Apr 2026Apr 2026Jun…020406080100

Closed: Apr 7, 5:15 PM EST

kalshi

Kalshi

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Description

This event group covers a professional Euroleague basketball game between Olympiacos B.C. (Piraeus) and Real Madrid scheduled for April 7, 2026 at 2:15 PM EDT. Markets resolve based on which team wins the match, with contingencies for postponement or cancellation.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue:

Kalshi's resolution logic is fundamentally broken: it resolves to Yes for both possible outcomes (BC Olympiakos wins OR Real Madrid wins), making the market logically unresolvable. Polymarket correctly structures a binary outcome where exactly one team's victory triggers resolution.

Hero Tip:

Do not trade on Kalshi's version of this market. The resolution rules state the market resolves Yes if either team wins, which violates basic binary market logic and creates a data integrity failure. Polymarket's market is the only tradeable version in this group.

Critical Divergence Points:

  • Polymarket:

    Outlier (functional): Polymarket uses proper binary logic where the market resolves to the name of the winning team (Olympiacos B.C. or Real Madrid), with clear handling of postponement (market remains open) and cancellation (50-50 split). Key quote: 'If the Olympiacos B.C. win, the market will resolve to Olympiacos B.C. If the Real Madrid win, the market will resolve to Real Madrid.'
  • Kalshi:

    Outlier (broken): Kalshi's rules state the market resolves Yes if BC Olympiakos wins AND also resolves Yes if Real Madrid wins, creating a logical contradiction where both mutually exclusive outcomes trigger the same resolution. Key quote: 'If BC Olympiakos Piraeus wins...then the market resolves to Yes. If Real Madrid wins...then the market resolves to Yes.'
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.

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PredictionHero © 2026 · v0.15.0PredictionHero provides aggregated market data and informational signals only. Nothing on this site constitutes financial, legal, or investment advice. Markets are volatile and speculative. Past performance does not guarantee future results. Always do your own research and consult qualified professionals before making decisions involving risk.