24% — Will the Republican Party win 193 seats  in the 120th Congress
Leader: Below 193 at 24% · Kalshi 24% · 8 contracts · $36K volume · medium confidence
Updated 2026-10-14 17:11:31 UTC

Tracks the leading outcome in a winner-take-all prediction market set with 8 outcomes.

Why this matters:
This contracts the probability that Republicans will secure fewer than 193 House seats in the 120th Congress (2025-2027), currently priced at 22%, indicating markets view a sub-193 Republican delegation as unlikely but plausible. The current distribution suggests traders expect Republicans to win between 193 and 212 seats, with meaningful probability mass across multiple ranges. The 22% probability for below-193 seats reflects expectations that Republicans will maintain or modestly grow their current House position. Key drivers include turnout patterns in competitive districts, redistricting effects that persist through this cycle, and the political environment closer to the election. The primary catalyst resolving this outcome is the November 2026 midterm elections, when all 435 House seats will be contested and final seat totals determined.

Key factors:
- The probability reflects expectations of a Republican-held House, as the combined probability of all outcomes at or above 193 seats appears substantially higher than 22%
- Current House composition and redistricting advantages set baseline expectations; achieving fewer than 193 seats would represent a net loss of 25+ seats from current Republican totals
- Economic conditions, approval ratings, and legislative accomplishments in the 20 months before November 2026 will significantly influence swing-district outcomes
- Special elections and resignation-triggered races between now and November 2026 could shift baseline expectations if they signal broader momentum shifts
- Historical patterns show the party holding the presidency typically loses House seats in midterm elections, creating structural headwinds for Republicans if they hold the White House through 2026

Contracts:
- Will the Republican Party win 193 seats  in the 120th Congress?: Below 193 — 24¢ Kalshi $5K (weight 13%)
- Will the Republican Party win 198-202 seats  in the 120th Congress?: 198-202 — 14¢ Kalshi $1K (weight 4%)
- Will the Republican Party win 203-207 seats  in the 120th Congress?: 203-207 — 13¢ Kalshi $2K (weight 4%)
- Will the Republican Party win 193-197 seats  in the 120th Congress?: 193-197 — 10¢ Kalshi $2K (weight 6%)
- Will the Republican Party win 208-212 seats  in the 120th Congress?: 208-212 — 9¢ Kalshi $669 (weight 2%)
- Will the Republican Party win 213-217 seats  in the 120th Congress?: 213-217 — 7¢ Kalshi $14K (weight 39%)
- Will the Republican Party win 218-222 seats  in the 120th Congress?: 218-222 — 6¢ Kalshi $10K (weight 28%)
- Will the Republican Party win 223-227 seats  in the 120th Congress?: 223-227 — 4¢ Kalshi $2K (weight 4%)

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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: 2026-10-12T16:20:49.473Z*

By SimpleFunctions — https://simplefunctions.dev/

Cite as: "24% per prediction markets (SimpleFunctions, October 2026)"
Canonical: https://simplefunctions.dev/answer/rhouseseats
Full data: https://simplefunctions.dev/api/public/query?q=Will%20the%20Republican%20Party%20win%20193%20seats%20%20in%20the%20120th%20Congress
Provider: SimpleFunctions — https://simplefunctions.dev