Will the Democratic Party control the Senate after the 2026 Midterm elections?

Which party will win the Senate in 2026?$239k liquidity$2.2M volumecloses 2.8mo
SenateParent For DerivativeUnited StatesUS ElectionPoliticsMidterms
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Buy YES on Polymarket

BUY YES

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Cost
46.0¢
Implied chance
46.0%
Return if right
117.4%
Spread cost
2%

If you put in $100

You get 217.4 shares at 46.0¢ each.

YES wins: $217.39 back, a profit of $117.39. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $2.39 of that profit. Without it you would make $119.78.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy YES on Polymarket

Buy NO on Polymarket

BUY NO

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We keep it in one place with the price you saw, and email you when it settles or moves sharply. It is free, and the screener stays open to everyone either way.

Cost
55.0¢
Implied chance
55.0%
Return if right
81.8%
Spread cost
2%

If you put in $100

You get 181.8 shares at 55.0¢ each.

NO wins: $181.82 back, a profit of $81.82. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $1.67 of that profit. Without it you would make $83.49.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy NO on Polymarket

Chance over time

0%25%50%75%100%46%55%Aug 3Aug 10

Latest: Aug 10, 01:22 PM

Latest news

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Headlines are matched on the names in “Will the Democratic Party control the Senate after the 2026 ”. Nobody checks them by hand, so one may not be relevant. They also say nothing about whether the price has already moved on this news.

How this market resolves

This market will resolve according to the party that controls the Senate following the 2026 U.S. Senate elections scheduled for November 3, 2026. Senate control is defined as having more than half of the voting Senate members, or half of the voting Senate members and the Vice Presidency. If the outcome of this election is ambiguous given the above rules, this market will remain open until the Majority Leader of the US Senate is selected following the 2026 US general election, at which point it will resolve to the party the majority leader is affiliated with at the time of their election to that position. If the elected majority leader does not caucus with any listed party this market will resolve “Other”. Determination of which party controls the Senate after the 2026 US Senate elections will be based on a consensus of credible reporting, or if there is ambiguity, final federal and/or state election authority certification or other final official determination of the 2026 election results.

Other outcomes in Which party will win the Senate in 2026?

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