Will Bruno Mars be a Headliner at Lollapalooza Chicago 2026
Liquidity-weighted aggregate sits at 21% across 5 Kalshi contracts.
Implied probability
Kalshi
21%
5 contracts
Polymarket
—
not bound
Cross-venue gap
—
single venue
24h move
—
no pin
24h volume
$317
5 contracts
Closes
Dec 31, 2026
188 days
30-day trend
Bracket families
5 clusters across 5 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 Lorde be a Headliner at Lollapalooza Chicago 2026
Will Lorde be a Headliner at Lollapalooza Chicago 2026?: Lorde
KXROLEATEVENTLOLLA-26DEC31-LOR
Cluster 2
Will Lady Gaga be a Headliner at Lollapalooza Chicago 2026
Will Lady Gaga be a Headliner at Lollapalooza Chicago 2026?: Lady Gaga
KXROLEATEVENTLOLLA-26DEC31-LAD
Cluster 3
Will Bad Bunny be a Headliner at Lollapalooza Chicago 2026
Will Bad Bunny be a Headliner at Lollapalooza Chicago 2026?: Bad Bunny
KXROLEATEVENTLOLLA-26DEC31-BAD
Cluster 4
Will Doja Cat be a Headliner at Lollapalooza Chicago 2026
Will Doja Cat be a Headliner at Lollapalooza Chicago 2026?: Doja Cat
KXROLEATEVENTLOLLA-26DEC31-DOJ
Cluster 5
Will Post Malone be a Headliner at Lollapalooza Chicago 2026
Will Post Malone be a Headliner at Lollapalooza Chicago 2026?: Post Malone
KXROLEATEVENTLOLLA-26DEC31-POS
Analysis
This question asks whether Bruno Mars will perform as a headliner at Chicago's Lollapalooza festival in August 2026. The 12% probability reflects significant skepticism about his inclusion among the festival's top-tier performers. Key drivers of this low probability include the competitive field of established touring artists, uncertainty about Mars's touring schedule for 2026, and typical festival booking patterns that favor artists with recent album releases or current cultural momentum. The main resolution point will be when Lollapalooza announces its 2026 headliner lineup, typically occurring in the spring months leading up to the August festival. Current market activity suggests modest trading interest, with related contracts on Mars's streaming performance and competitor artists receiving minimal attention.
- ›Lollapalooza typically announces headliners 3-4 months before the festival, making late May/early June 2026 the most likely announcement window for August performers
- ›Bruno Mars's last major album release was 2021's 'An Evening with Silk Sonic,' with no new album announcements for 2026 as of May 2026
- ›Festival booking patterns show headliners typically include artists with active touring campaigns or recent/upcoming releases; Mars's activity level during early 2026 will directly influence his likelihood
- ›Competing artists like Tame Impala and Bad Bunny are trading at lower probabilities (6% and 5%), suggesting the market views few artists as strong headliner candidates currently
- ›Historical Lollapalooza lineups include 6-8 headliners across multiple days, but the market's low probabilities across all artist contracts suggest uncertainty about the complete 2026 lineup
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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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