SimpleFunctions
Winner-take-all answer·7 source contracts·Polymarket 7·refreshed just now·Closes May 31, 2026 · 4d·16pp · 37h

Who will Trump speak to in May

Leader sits at 32% across 7 bound outcomes, runner-up at 18%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

32%

Mark Rutte

runner-up 18¢leader 32¢

Outcomes

7

winner-take-all

Runner-up

18¢

Vladimir Putin

Spread

14pp

contested

24h volume

$2K

modest

Closes

May 31, 2026

4 days

Venue

Polymarket

7 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayMark Rutte: 31% (2 days, 2 points)Mark Rutte: 31% on 2026-05-26Vladimir Putin: 21% (2 days, 2 points)Vladimir Putin: 21% on 2026-05-26Keir Starmer: 17% (2 days, 2 points)Keir Starmer: 17% on 2026-05-26
Mark Rutte31¢Vladimir Putin21¢Keir Starmer17¢
Top 3 candidates by current price · 2d

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 measures the probability that Mark Rutte will be Trump's first public speaking engagement in May 2026. At 48%, the market judges Rutte more likely than any other single outcome, though the runner-up sits at 24%, indicating meaningful uncertainty. The current pricing reflects Rutte's role as NATO Secretary General and historical patterns of high-level diplomatic engagement, weighed against competing possibilities including calls with Putin, Starmer, Zelenskyy, and others. The probability could shift significantly if Trump announces a scheduled call or meeting with another leader, or if news breaks about an already-completed conversation. Since May is nearly complete as of late May 2026, the main driver is whether any additional conversations occur before month's end that would change the leader, or if the current understanding of May's interactions becomes clarified through official statements or media reporting.

  • Temporal proximity: We are 25 days into May 2026, constraining the window for new conversations to influence the outcome
  • Information asymmetry: Not all presidential calls are immediately public; delayed announcements could alter the current leader
  • Rutte's institutional position: As NATO Secretary General, Rutte has structural reasons for regular engagement, but this does not guarantee he was Trump's first May contact
  • Volume concentration: Putin contract shows highest trading activity at $1,182 24h volume, suggesting active disagreement among traders on likelihood
  • Definition clarity: Outcome depends on what counts as 'speaking to'—phone calls, in-person meetings, and video calls may be interpreted differently

What moved the line

  • May 26Mark Rutte7pp3831¢ · Polymarket
  • May 26Volodymyr Zelenskyy4pp1713¢ · Polymarket

Recently closed in trump

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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