SimpleFunctions
Winner-take-all answer·16 source contracts·Polymarket 16·refreshed just now·Closes Jul 19, 2026 · 31d

Who will perform at World Cup halftime show

Leader sits at 96% across 16 bound outcomes, runner-up at 61%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

96%

Shakira

runner-up 61¢leader 96¢

Outcomes

16

winner-take-all

Runner-up

61¢

Coldplay

Spread

35pp

contested

24h volume

$791

thin orderbook

Closes

Jul 19, 2026

31 days

Venue

Polymarket

16 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayShakira: 97% (31 days, 24 points)Shakira: 97% on 2026-06-16Coldplay: 48% (31 days, 31 points)Coldplay: 48% on 2026-06-17Burna Boy: 42% (31 days, 22 points)Burna Boy: 42% on 2026-06-17
Shakira97¢Coldplay48¢Burna Boy42¢
Top 3 candidates by current price · 31d

Bracket family

How the bracket ladder is priced.

Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.

Analysis

This probability reflects market expectations that Shakira will headline the FIFA World Cup halftime show, currently priced at 97 cents on prediction contracts. The dominant lean toward Shakira likely stems from her previous World Cup halftime performances (2010 in South Africa) and her ongoing global prominence in pop music, though the exact 2026 performer remains unconfirmed. The probability could shift downward if FIFA officially announces a different artist, or if Shakira withdraws due to scheduling conflicts or other circumstances. The runner-up candidate Billie Eilish at 46 cents suggests meaningful uncertainty about alternatives. Resolution will occur when FIFA formally announces the 2026 halftime performer, expected sometime before the tournament begins in June 2026. Contract volume remains modest ($18 daily volume on the leading contract), indicating limited market liquidity rather than overwhelming consensus.

  • Shakira performed at 2010 World Cup halftime and remains a recognizable global pop icon, which may anchor market expectations without official confirmation from FIFA
  • FIFA has not publicly announced the 2026 halftime performer as of May 2026, creating genuine information vacuum that contrasts with the 97% market probability
  • Billie Eilish trading at 46 cents represents the strongest alternative, suggesting traders do not view Shakira as certain despite the high price
  • Daily trading volume on top contracts remains low ($18-79 across major positions), indicating thin liquidity and potential fragility of the market consensus
  • The tournament begins June 2026, so official announcement could arrive imminently, making the timing critical for contract resolution

What moved the line

  • Jun 10Bruno Mars45pp550¢ · Polymarket
  • Jun 11Drake41pp243¢ · Polymarket
  • Jun 12Drake32pp4311¢ · Polymarket
  • Jun 10Sabrina Carpenter25pp3813¢ · Polymarket
  • Jun 11Bruno Mars24pp5026¢ · Polymarket

Recently closed in sports

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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