SimpleFunctions
Winner-take-all · 5 outcomes5 contractsPolymarketrefreshed 5 min agoCloses Dec 31, 2026 · 236d

How many albums will reach Billboard #1 in 2026?

Bracket19–21

Leader sits at 44% across 5 bound outcomes, runner-up at 43%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

44%

19–21

runner-up 43¢leader 44¢

Outcomes

5

winner-take-all

Runner-up

43¢

22–24

Spread

1pp

contested

24h volume

$0

thin orderbook

Closes

Dec 31, 2026

236 days

Venue

Polymarket

5 bound

30-day trend

0%50%100%-30d-3w-2w-1wtoday19–21: 43% (28 days, 25 points)19–21: 43% on 2026-05-0822–24: 41% (28 days, 27 points)22–24: 41% on 2026-05-0825+: 41% (28 days, 27 points)25+: 41% on 2026-05-08
19–2143¢22–2441¢25+41¢
Top 3 candidates by current price · 28d

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 estimates the likelihood that 19 to 21 albums will reach Billboard's number-one chart position during 2026. The 22% aggregate probability reflects meaningful disagreement between markets—Polymarket traders price this outcome at 34% while Kalshi participants assess it at 15%—suggesting genuine uncertainty about album release patterns and commercial performance this year. The estimate depends on several variables: the number of major label releases scheduled, artist momentum from previous chart successes, and whether streaming services and consumer behavior continue supporting traditional album releases as the primary commercial format. Resolution requires counting actual number-one albums through December 2026, with Billboard's weekly chart updates providing ongoing clarity throughout the year. The cross-venue gap indicates traders may be weighing different assumptions about the music industry's current trajectory, possibly reflecting differing expectations about how many high-profile artists will release albums and achieve chart-topping debuts or returns.

  • Scheduled major-label album releases from established and emerging artists in 2026 and their market timing
  • Historical album-chart performance trends relative to streaming behavior and consumer preferences in the current year
  • Whether Drake, Taylor Swift, and other high-performing artists have released or plan to release albums in 2026
  • The definition and methodology Billboard uses to calculate number-one albums on its primary chart
  • Comparison of actual 2025 number-one album count to the 2026 projection range to assess trend direction

What moved the line

  • May 216–1837pp4811¢ · Polymarket
  • May 213–1516pp3923¢ · Polymarket
  • May 619–2111pp2637¢ · Polymarket
  • May 225+11pp5948¢ · Polymarket
  • May 319–219pp3526¢ · 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: 5 min ago.