46% — Who will be Trump's next Secretary of Defense
Leader: No other person at 46% · Kalshi 46% · 4 contracts · $0 volume · medium confidence
Updated 2026-05-09 07:21:22 UTC

Tracks the leading outcome in a winner-take-all prediction market set with 4 outcomes.

Why this matters:
This contract reflects a 47% probability that a specific unnamed candidate will become Trump's next Secretary of Defense, based on current market pricing. The relatively low market volume ($21,000 across three contracts) and fragmented odds suggest significant uncertainty about the eventual nominee. Key drivers of this probability include Trump's stated preference for military-focused leadership, the pool of available candidates with relevant backgrounds, and potential political constraints from Senate confirmation dynamics. The primary resolution catalyst will be Trump's formal announcement of his defense secretary nomination, which typically occurs during the presidential transition period but timing remains uncertain. Until that announcement, market prices will likely fluctuate based on political reporting, candidate positioning, and any public statements from Trump regarding defense priorities.

Key factors:
- Market volume is relatively low at $21k aggregate over 24 hours, indicating thin liquidity and potentially wide bid-ask spreads
- The leader's 47% price reflects single-outcome winner-take-all odds, not a tie scenario—other candidates collectively price near 53%
- No single alternative candidate exceeds 11%, suggesting the market perceives a dispersed field without obvious frontrunners
- Confirmation risk exists since Senate approval is required, which could affect odds if specific nominees face political obstacles
- The outcome depends entirely on Trump's discretionary selection decision, with no intermediate data points to calibrate expectations before announcement

Contracts:
- Who will be Trump's next Secretary of Defense?: No other person — 46¢ Kalshi $0 (weight 25%)
- Who will be Trump's next Secretary of Defense?: Ron DeSantis — 11¢ Kalshi $0 (weight 25%)
- Who will be Trump's next Secretary of Defense?: Dan Driscoll — 6¢ Kalshi $0 (weight 25%)
- Who will be Trump's next Secretary of Defense?: Joni Ernst — 4¢ Kalshi $0 (weight 25%)

Cite as: "46% per prediction markets (SimpleFunctions, May 2026)"
Canonical: https://simplefunctions.dev/answer/nextdef
Full data: https://simplefunctions.dev/api/public/query?q=Who%20will%20be%20Trump's%20next%20Secretary%20of%20Defense
Provider: SimpleFunctions — https://simplefunctions.dev