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US Senate Partisan Balance theme image

US Senate Partisan Balance

23 markets curated fromRebalanced 20m ago

Performance is chain-linked across 3 basket versions to preserve a continuous price history.

How a Basket Is Managed

Curated
Qualified Polymarket events are included to reflect the direction of the Trend.
Weighted
Curated events get weights based on liquidity, correlation and Factor representation.
Monitored
Basket members and other relevant markets are monitored continuously for needed adjustments.
Rebalanced
The Basket automatically adds, removes, or reweights events over time to best track the topic.
As of 2026-09-12

Factors

Senate Control & Seats

Which party controls the chamber and how many seats Republicans win each election.

Holds Yes 8 markets
37.0%weight
2026 Senate Races

State-by-state Senate contests up in the midterms, read by which party wins each seat.

Holds Yes 12 markets
47.6%weight
Low GOP Seat Count

Pays out if the GOP is held to a small seat count.

Holds No 3 markets
15.4%weight

Change History

Every change to this Basket is dated. Past compositions are read-only — they stay readable and are never buyable.

  1. 5 markets added · 2 markets removed · weights adjusted · 23 markets
  2. 18 markets added · 19 markets removed · Factors changed · weights adjusted · 20 markets