SimpleFunctions
Winner-take-all answer·8 source contracts·Polymarket 8·refreshed just now·Closes May 31, 2026 · 2d

Which artists will have #1 hits in the US in May

Leader sits at 90% across 8 bound outcomes, runner-up at 12%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

90%

Ariana Grande

runner-up 12¢leader 90¢

Outcomes

8

winner-take-all

Runner-up

12¢

Beyonce

Spread

78pp

dominant leader

24h volume

$16K

liquid

Closes

May 31, 2026

2 days

Venue

Polymarket

8 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayAriana Grande: 94% (5 days, 5 points)Ariana Grande: 94% on 2026-05-28Beyonce: 10% (5 days, 3 points)Beyonce: 10% on 2026-05-27Bruno Mars: 3% (5 days, 5 points)Bruno Mars: 3% on 2026-05-28
Ariana Grande94¢Beyonce10¢Bruno Mars3¢
Top 3 candidates by current price · 5d

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 market asks whether Ariana Grande will secure a #1 hit on the US Billboard Hot 100 chart during May 2026. The 87% probability reflects traders' assessment that she is highly likely to achieve this outcome. The elevated odds reflect her consistent chart performance history and any recent releases or promotional activity scheduled for the period. Key drivers include whether she has a new single or album in active promotion during May, the competitive strength of other charting artists, and overall streaming momentum. The resolution depends entirely on Billboard's official Hot 100 rankings released each week throughout May, with the final week determining whether she achieved the threshold. Market uncertainty could shift significantly if unexpected chart competitors emerge or if her promotional timeline changes.

  • Whether Ariana Grande has an active single release or album promotion cycle scheduled for May 2026
  • Historical chart performance data for Ariana Grande versus competing artists with realistic May 2026 release prospects
  • Streaming volume and radio airplay metrics during May, which directly influence Billboard Hot 100 positioning
  • Any new releases or surprise drops from rival artists that could displace potential #1 contenders from the top position
  • Billboard's official Hot 100 chart rankings published weekly, with verification required from the final week of May

What moved the line

  • May 26The Weeknd9pp3526¢ · Polymarket
  • May 28The Weeknd8pp2618¢ · Polymarket
  • May 27Beyonce6pp410¢ · Polymarket
  • May 27Ariana Grande4pp8993¢ · Polymarket
  • May 26Ariana Grande3pp8689¢ · Polymarket

Recently closed in general

These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

More like this

Adjacent prediction questions.

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.

Last updated on this page: just now.