SimpleFunctions
Winner-take-all answer·7 source contracts·Kalshi 7·refreshed just now·Closes Dec 31, 2026 · 217d

Most expensive auction work sold in 2026?

BracketAbove $450M

Leader sits at 71% across 7 bound outcomes, runner-up at 52%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

71%

Above $200M

runner-up 52¢leader 71¢

Outcomes

7

winner-take-all

Runner-up

52¢

Above $250M

Spread

19pp

contested

24h volume

$4K

modest

Closes

Dec 31, 2026

217 days

Venue

Kalshi

7 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayAbove $200M: 63% (3 days, 2 points)Above $200M: 63% on 2026-05-26Above $250M: 44% (3 days, 2 points)Above $250M: 44% on 2026-05-26Above $300M: 47% (3 days, 3 points)Above $300M: 47% on 2026-05-27
Above $200M63¢Above $250M44¢Above $300M47¢
Top 3 candidates by current price · 3d

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

The market is assessing whether the most expensive artwork sold at auction in 2026 will exceed $450 million. At 66%, this reflects moderate confidence in a transaction above this threshold occurring before year-end. Art market pricing depends on several variables: the supply of ultra-high-value works offered for sale, collector demand and financial capacity, macroeconomic conditions affecting luxury spending, and geopolitical factors influencing investment flows. Major auction houses typically announce their marquee sales months in advance, though the actual hammer prices remain uncertain until bidding concludes. The primary uncertainty driver is whether a single artwork will generate sufficient competitive bidding to reach this level. Historical precedent shows such sales occur periodically but unpredictably. The market's current probability reflects that while $450 million transactions have happened before, their frequency and timing remain difficult to forecast. Additional art market volatility through the remainder of 2026 will refine expectations.

  • Number and estimated value of ultra-premium artworks scheduled for major auction house sales in remaining 2026 auctions
  • Global high-net-worth individual wealth levels and their allocation preferences toward art investment versus other asset classes
  • Recent comparable transactions and average hammer prices at Sotheby's, Christie's, and other major houses through mid-2026
  • Macroeconomic conditions including interest rates, equity market performance, and wealth concentration trends affecting collector liquidity
  • Geopolitical events or regulatory changes affecting cross-border art sales and international collector participation

What moved the line

  • May 26Above $200M36pp2763¢ · Kalshi
  • May 26Above $300M28pp2351¢ · Kalshi
  • May 26Above $350M19pp2140¢ · Kalshi
  • May 26Above $250M17pp2744¢ · Kalshi
  • May 26Above $400M10pp2131¢ · 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.

More like this

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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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