SimpleFunctions
ClosedLast odds shown below are frozen at close (May 8, 2026). Future questions tracked on /odds.
Winner-take-all · 6 outcomes6 contractsKalshiclosed 13 h agoCloses Jun 6, 2026 · 28d

Will Planet Fitness Inc. report Above 20.8 million total membership in Q1 2026

Leader sits at 92% across 6 bound outcomes, runner-up at 88%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

92%

Above 21.2 million

runner-up 88¢leader 92¢

Outcomes

6

winner-take-all

Runner-up

88¢

Above 21 million

Spread

4pp

contested

24h volume

$6K

modest

Closes

Jun 6, 2026

28 days

Venue

Kalshi

6 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayAbove 21.2 million: 94% (18 days, 11 points)Above 21.2 million: 94% on 2026-05-07Above 21 million: 95% (18 days, 10 points)Above 21 million: 95% on 2026-05-07Above 21.6 million: 19% (18 days, 14 points)Above 21.6 million: 19% on 2026-05-07
Above 21.2 million94¢Above 21 million95¢Above 21.6 million19¢
Top 3 candidates by current price · 18d

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 represents a 93% probability that Planet Fitness will report total membership above 20.8 million when it releases Q1 2026 results, based on trading activity on Kalshi. The high confidence reflects the company's historical membership trajectory and recent growth patterns, though the exact threshold of 20.8 million creates a narrow band where outcomes can shift. Resolution depends on Planet Fitness's earnings announcement, scheduled for mid-May 2026, which will provide the official membership count. Key drivers include membership retention rates during economic cycles, pricing adjustments implemented in late 2025, and competitive expansion by other fitness chains. The small gap between the leading contract (93%) and runner-up (92%) suggests traders view the outcome as highly likely but not certain, with sensitivity to any guidance changes or membership churn announcements preceding the official report.

  • Planet Fitness's reported membership trend through late 2024 and early 2025, which would establish the baseline trajectory for Q1 2026
  • Churn rates and net member additions during Q1 2026, influenced by seasonality and economic conditions
  • Any interim guidance or pre-earnings commentary the company provided about membership expectations
  • Competitive pressures from other budget fitness chains and their reported membership growth during the same period
  • The specific threshold of 20.8 million versus historical growth rates—determining whether this represents a continuation of trends or a material acceleration

What moved the line

  • May 7Above 20.8 million32pp9967¢ · Kalshi
  • May 7Above 21.6 million21pp4019¢ · Kalshi
  • May 6Above 20.8 million7pp9299¢ · Kalshi
  • May 7Above 21.2 million5pp8994¢ · Kalshi
  • May 7Above 21.8 million3pp96¢ · Kalshi

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.

Last updated on this page: 13 h ago.