SimpleFunctions
Winner-take-all · 6 outcomes6 contractsKalshirefreshed 2 min agoCloses Dec 27, 2026 · 232d

Will there be more than 8 #1 songs in 2026

Leader sits at 95% across 6 bound outcomes, runner-up at 93%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

95%

More than 9

runner-up 93¢leader 95¢

Outcomes

6

winner-take-all

Runner-up

93¢

More than 8

Spread

2pp

contested

24h volume

$0

thin orderbook

Closes

Dec 27, 2026

232 days

Venue

Kalshi

6 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayMore than 8: 93% (10 days, 3 points)More than 8: 93% on 2026-04-27More than 11: 88% (10 days, 2 points)More than 11: 88% on 2026-04-14More than 12: 83% (10 days, 6 points)More than 12: 83% on 2026-05-02
More than 893¢More than 1188¢More than 1283¢
Top 3 candidates by current price · 10d

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 more than 8 different songs will reach #1 on the Billboard Hot 100 chart during 2026. The current 95% probability reflects confidence this threshold will be met, based on typical chart turnover patterns. Chart volatility depends on two main factors: the number of competing artists releasing competitive singles during the year, and listener streaming/purchasing behavior. A highly concentrated market dominated by one or two artists would lower the probability, while fragmented competition among many performers would support it. The market resolves in early January 2027 when Billboard publishes final 2026 year-end chart data, though tracking data becomes clearer in November and December as the year concludes.

  • Historical baseline: the Hot 100 has averaged 10-15 #1 songs per year over the past decade, suggesting 8+ is a common outcome
  • Market concentration risk: if one artist or album dominates streaming (like a Taylor Swift or Drake surprise release), fewer songs may reach #1
  • Release schedule: the density and timing of major label releases throughout 2026 affects how many artists can accumulate chart-topping weeks
  • Streaming platform algorithm changes: Spotify, Apple Music, and YouTube Music weighting shifts can amplify or dampen certain songs' chart performance
  • Current date context: with ~7 months of 2026 remaining, partial-year performance provides some signal about pace

Recently closed in general

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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