13% — Will Patty Murray win the next Senate Democratic Leader election
Kalshi 13% · 5 contracts · $187 volume · medium confidence
Updated 2026-06-26 06:43:44 UTC

Why this matters:
This probability represents the likelihood that Senator Patty Murray becomes the next Democratic Senate Minority or Majority Leader. At 16%, the market suggests she faces significant competition for the position. The current probability reflects Murray's tenure and seniority as factors working in her favor, while her age and potential competition from other senior Democrats weigh against her. Leadership contests typically emerge when the current leader steps down or loses an election; the timing and circumstances of such a transition would substantially shift expectations. The outcome will ultimately depend on decisions by Democratic senators during an internal election, which occurs only when the position becomes vacant. Key considerations include whether incumbent leadership seeks reelection, the emergence of alternative candidates from different geographic or ideological factions, and voting patterns within the caucus that may prioritize new leadership.

Key factors:
- Current Senate Democratic leadership structure and whether incumbent leader has announced retirement or reelection intentions
- Murray's seniority ranking and voting record relative to other potential candidates within the Democratic caucus
- Geographic and demographic representation preferences among Senate Democrats, particularly whether they seek regional diversity in leadership
- Public statements or positioning by other senior Democratic senators indicating leadership ambitions
- Timing of any leadership transition and whether it occurs in the near or distant future

Contracts:
- Will Chris Van Hollen win the next Senate Democratic Leader election?: Chris Van Hollen — 4¢ Kalshi $187 (weight 100%)
- Will Brian Schatz win the next Senate Democratic Leader election?: Brian Schatz — 6¢ Kalshi $0 (weight 0%)
- Will Chris Murphy win the next Senate Democratic Leader election?: Chris Murphy — 3¢ Kalshi $0 (weight 0%)
- Will Chuck Schumer win the next Senate Democratic Leader election?: Chuck Schumer — 51¢ Kalshi $0 (weight 0%)
- Will Patty Murray win the next Senate Democratic Leader election?: Patty Murray — 3¢ Kalshi $0 (weight 0%)

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## 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.

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*Last verified: 2026-06-26T06:20:50.003Z*

By SimpleFunctions — https://simplefunctions.dev/

Cite as: "13% per prediction markets (SimpleFunctions, June 2026)"
Canonical: https://simplefunctions.dev/answer/senatedemlead
Full data: https://simplefunctions.dev/api/public/query?q=Will%20Patty%20Murray%20win%20the%20next%20Senate%20Democratic%20Leader%20election
Provider: SimpleFunctions — https://simplefunctions.dev