SimpleFunctions
ClosedLast odds shown below are frozen at close (Jul 5, 2026). Future questions tracked on /odds.
4 source contracts·Kalshi 4·closed just now·Closes Jul 31, 2026 · 27d

Will Jay-Z attend Michael Rubin's annual White Party 2026 in 2026

Liquidity-weighted aggregate sits at 4% across 4 Kalshi contracts.

Implied probability

4%
0%50%100%

Kalshi

4%

4 contracts

Polymarket

not bound

Cross-venue gap

single venue

24h move

no pin

24h volume

$4K

4 contracts

Closes

Jul 31, 2026

27 days

30-day trend

0%50%100%-30d-3w-2w-1wtodayAggregate: 6% (10 days, 10 points)Aggregate: 6% on 2026-07-04
Aggregate of 4 contracts · 10d

Bracket families

4 clusters across 4 contracts.

These contracts were grouped by title similarity. The headline aggregate combines all clusters; verify the cluster you actually need before quoting a number.

Cluster 1

Will Beyoncé attend Michael Rubin's annual White Party 2026 in 2026

1 contract$2K

Cluster 2

Will Kevin Hart attend Michael Rubin's annual White Party 2026 in 2026

1 contract$1K

Cluster 3

Will Joe Burrow attend Michael Rubin's annual White Party 2026 in 2026

1 contract$688

Cluster 4

Will Aaron Judge attend Michael Rubin's annual White Party 2026 in 2026

1 contract$361

Analysis

This probability reflects market expectations that Jay-Z will attend Michael Rubin's White Party in 2026, currently priced at 19% likelihood. The low probability may reflect Jay-Z's reduced public appearance frequency at celebrity events in recent years, his focus on business ventures and his Roc Nation company, or potential scheduling conflicts. Historically, attendance at the White Party has been selective among A-list figures, and past non-attendance by major celebrities has been common. The market will resolve uncertainty once the event occurs later in 2026 and official or credible reporting confirms guest lists. Key drivers include Jay-Z's travel schedule, his relationship with event host Michael Rubin, broader hip-hop community attendance patterns, and any public statements about his summer plans. Comparable uncertainty exists around other celebrities, with Meek Mill trading at 61% and Kevin Hart, Kendall Jenner, and others at 56%, suggesting varied confidence levels across the guest list.

  • Jay-Z's historical attendance rate at celebrity social events has declined relative to earlier career periods
  • Michael Rubin and Jay-Z's professional relationship status and prior attendance history at the White Party specifically
  • The event date and timing relative to Jay-Z's known business commitments, tour schedules, or other public obligations in summer 2026
  • Market pricing for comparable celebrities shows 56-61% probabilities, suggesting general uncertainty about attendance rather than certainty that Jay-Z is uniquely unlikely to attend
  • Official guest list confirmation or credible media reporting after the event occurs will definitively resolve the contract

Recently closed in politics

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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