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Us presidential election

Which party will win the House in 2026?

Opened · Settles

This market will resolve according to the party that controls the House of Representatives following the 2026 U.S. House elections scheduled for November 3, 2026. House control is defined as having more than half of the voting members of the U.S. House of Representatives. If the outcome of this election is ambiguous given the above rules, this market will remain open until the Speaker of the House is selected following the 2026 U.S. general election, at which point it will resolve to the party the Speaker is affiliated with at the time of their election to that position. If the elected Speaker does not caucus with any listed party this market will resolve “Other”.

Liquidity
$249K
Total Volume
$5.3M
24h Volume
$153K
Open Interest
$1.3M
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Market outcomes

Other
Democratic Party 84% YES17% NO
Republican Party 16% YES85% NO
Party A
Party B
Party C
Party D
Party E

How political prediction markets work

Polymarket settles political markets from authoritative sources — Associated Press race calls for US elections, the relevant electoral commission for national votes, and the UMA optimistic oracle for contested or ambiguous resolutions. Prices you see are probabilities derived from thousands of traders deploying real capital; they update in real time as new polls, debates, endorsements and news hit the tape. PolyGram surfaces the same order book with an email-first login and USDC settlement on Polygon.

How this market resolves

Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.

Frequently asked questions

How does this market resolve?

Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.

When does this market settle?

The market is scheduled to close on 3 November 2026. Settlement typically clears within 24 hours after the resolving event, once the UMA optimistic oracle confirms the outcome.

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