21% — Who will Trump speak to in May Leader: Mark Rutte at 21% · Polymarket 21% · 7 contracts · $3K volume · medium confidence Updated 2026-05-28 22:20:09 UTC Tracks the leading outcome in a winner-take-all prediction market set with 7 outcomes. Why this matters: 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. Key factors: - 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 Contracts: - Who will Trump speak to in May?: Mark Rutte — 21¢ Polymarket $7 (weight 0%) - Who will Trump speak to in May?: Vladimir Putin — 15¢ Polymarket $1K (weight 43%) - Who will Trump speak to in May?: Volodymyr Zelenskyy — 13¢ Polymarket $742 (weight 29%) - Who will Trump speak to in May?: Keir Starmer — 12¢ Polymarket $194 (weight 8%) - Who will Trump speak to in May?: Mark Carney — 9¢ Polymarket $20 (weight 1%) - Who will Trump speak to in May?: Ahmed al-Sharaa — 4¢ Polymarket $225 (weight 9%) - Who will Trump speak to in May?: Masoud Pezeshkian — 3¢ Polymarket $272 (weight 11%) --- ## Methodology SimpleFunctions aggregates live YES-side prices from Kalshi and Polymarket contracts bound to this question. For binary topics the headline is the liquidity-weighted mid-price (weight = log(1 + 24h volume) × freshness, where freshness is 1.0 if updated <24h, 0.7 if <7d, 0.4 otherwise). For multi-outcome (winner-take-all) topics the headline is the current leader's price — disjoint outcomes are never arithmetically averaged. Snapshots refresh every 5 minutes during market hours. ## SF Signal - SF Index, regime, and 30d Brier calibration are computed separately and surfaced at https://simplefunctions.dev/admin/calibration. - No SimpleFunctions index / regime / calibration signal is bound to this topic yet — the headline above is market-derived only. --- *Last verified: 2026-05-28T21:20:11.542Z* By SimpleFunctions — https://simplefunctions.dev/ Cite as: "21% per prediction markets (SimpleFunctions, May 2026)" Canonical: https://simplefunctions.dev/answer/who-trump-speak-to-may Full data: https://simplefunctions.dev/api/public/query?q=Who%20will%20Trump%20speak%20to%20in%20May Provider: SimpleFunctions — https://simplefunctions.dev