Will Arsenal qualify for the Champions League Semifinals
Liquidity-weighted aggregate sits at 21% across 17 Kalshi contracts.
Implied probability
Kalshi
21%
17 contracts
Polymarket
—
not bound
Cross-venue gap
—
single venue
24h move
—
no pin
24h volume
$61
17 contracts
Closes
May 20, 2027
241 days
30-day trend
Bracket families
12 clusters across 17 contracts.
These contracts were grouped by title similarity. The headline aggregate combines all clusters; verify the cluster you actually need before quoting a number.
Cluster 1
Will PSG qualify for the Champions League
Cluster 2
Will Barcelona qualify for the Champions League
Cluster 3
Will Arsenal qualify for the Champions League
Cluster 4
Will Bayern Munich qualify for the Champions League
Cluster 5
Will Porto qualify for the Champions League Final
Will Porto qualify for the Champions League Final?: Porto
KXUCLROUND-27FINAL-FCP
Cluster 6
Will Manchester City qualify for the Champions League Final
Will Manchester City qualify for the Champions League Final?: Manchester City
KXUCLROUND-27FINAL-MCI
Cluster 7
Will Real Madrid qualify for the Champions League Final
Will Real Madrid qualify for the Champions League Final?: Real Madrid
KXUCLROUND-27FINAL-RMA
Cluster 8
Will Atletico qualify for the Champions League Quarterfinals
Will Atletico qualify for the Champions League Quarterfinals?: Atletico
KXUCLROUND-27QUAR-ATM
Cluster 9
Will Dortmund qualify for the Champions League Quarterfinals
Will Dortmund qualify for the Champions League Quarterfinals?: Dortmund
KXUCLROUND-27QUAR-BVB
Cluster 10
Will Fenerbahce qualify for the Champions League Quarterfinals
Will Fenerbahce qualify for the Champions League Quarterfinals?: Fenerbahce
KXUCLROUND-27QUAR-FEN
Cluster 11
Will Inter qualify for the Champions League Quarterfinals
Will Inter qualify for the Champions League Quarterfinals?: Inter
KXUCLROUND-27QUAR-INT
Cluster 12
Will Liverpool qualify for the Champions League Quarterfinals
Will Liverpool qualify for the Champions League Quarterfinals?: Liverpool
KXUCLROUND-27QUAR-LFC
Analysis
This 39% probability reflects the market's assessment that Arsenal will advance past the Champions League quarterfinals to reach the semifinals. The prediction sits roughly in line with other top-tier clubs, suggesting modest confidence in their progression. Arsenal's qualification odds depend primarily on their opponent draw, current squad depth compared to other elite European sides, and their performance in knockout matches where fine margins determine advancement. The UEFA Champions League round-of-16 draw and subsequent fixture scheduling will be the key event that clarifies Arsenal's path—stronger opponents significantly lower progression chances, while favorable matchups could shift the probability notably higher. Historical knockout-stage performance, injury status of key players heading into spring fixtures, and their domestic league position affecting overall squad fatigue will all influence final outcomes.
- ›Arsenal's opponent in the round-of-16 draw will materially affect their semifinal odds, with top-seeded teams like Real Madrid or PSG creating steeper paths than other qualified teams
- ›Head-to-head record and tactical matchups against potential opponents carry predictive value for knockout-stage advancement beyond general team strength rankings
- ›Squad injury status and player availability during the critical February-May Champions League period, particularly in defense and attack, directly impacts match outcomes
- ›Arsenal's domestic league performance and fixture congestion in concurrent Premier League matches can affect rest and form entering knockout stages
- ›Historical penalty shootout record and clutch performance metrics in previous knockout rounds provide evidence of how teams handle elimination-stage pressure
What moved the line
- Sep 18Barcelona↑62pp4→66¢ · Kalshi
- Sep 17Barcelona↓46pp50→4¢ · Kalshi
- Sep 19Porto↑14pp2→16¢ · Kalshi
- Sep 18Barcelona↑4pp25→29¢ · Kalshi
- Sep 17PSG↑4pp32→36¢ · Kalshi
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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.
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How we compute these odds
SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.
For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.
Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.
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