Market snapshot: Oct 29, 2026, 9:00 AM UTC. Prices may have changed since this snapshot.

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Event GroupKALSHIElections

How many Great Plains House seats will Democrats win in 2026?

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How many Great Plains House seats will Democrats win in 2026?

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Snapshot from Oct 29, 2026, 9:00 AM UTC

As of Oct 29, 2026, 9:00 AM UTC, the highest-priced outcome on Kalshi is At least 4 at 54.5%.

Kalshi

At least 454.5%
At least 354.5%
At least 553.5%
At least 647%
At least 845.5%

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6 markets tracked

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Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 4 at the November 3, 2026 general election?

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Single-Platform Markets(6)

Market	Platform	Price
Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 4 at the November 3, 2026 general election?	Kalshi	54.5%
Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 3 at the November 3, 2026 general election?	Kalshi	54.5%
Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 5 at the November 3, 2026 general election?	Kalshi	53.5%
Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 6 at the November 3, 2026 general election?	Kalshi	47.0%
Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 8 at the November 3, 2026 general election?	Kalshi	45.5%
Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 7 at the November 3, 2026 general election?	Kalshi	45.5%

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Source snapshot: Oct 29, 2026, 9:00 AM UTC

About This Event

November 3, 2026 If the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota is at least X at the November 3, 2026 general election, then the market resolves to Yes. The qualifying districts are the 18 U.S. House districts in Iowa, 4, Kansas, 4, Nebraska, 3, North Dakota, 1, Oklahoma, 5, and South Dakota, 1, under the district boundaries in use at the 2026 elections. X district counts only if the candidate elected there at the Nov 3, 2026 general election, for the term beginning Jan 3, 2027, is listed on the ballot as a Democrat, including as preferring the Democratic Party where a state uses an open, top-two or top-four ballot. If a runoff is required to determine the winner of any race, the runoff result governs. Independent and third-party winners do NOT count, even if they caucus with Democrats.

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Event: How many Great Plains House seats will Democrats win in 2026?
Source snapshot: Oct 29, 2026, 9:00 AM UTC
Reported event volume (provider units): K 0 contracts
Coverage: 6 of 6 saved contracts included.
Prices are saved observations, not executable quotes. Listed close dates do not promise settlement or payout time.

Contract: Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 8 at the November 3, 2026 general election?
Provider: kalshi; ID: kalshi-KXPLAINSDEMHOUSE-26NOV03-AL8; status: active
Source: https://kalshi.com/markets/kxplainsdemhouse-26nov03
Observed: Oct 29, 2026, 9:00 AM UTC
Listed close: Mar 15, 2027, 2:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 45.5%; 24h change unavailable
Outcome No: 54.5%; 24h change unavailable
Saved rules: If the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota is at least 8 at the November 3, 2026 general election, then the market resolves to Yes. Secondary rules: The qualifying districts are the 18 U.S. House districts in Iowa (4), Kansas (4), Nebraska (3), North Dakota (1), Oklahoma (5) and South Dakota (1), under the district boundaries in use at the 2026 elections.

A district counts only if the candidate elected there at the Nov 3, 2026 general election, for the term beginning Jan 3, 2027, is listed on the ballot as a Democrat, including as preferring the Democratic Party where a state uses an open, top-two or top-four ballot. If a runoff is required to determine the winner of any race, the runoff result governs. Independent and third-party winners do NOT count, even if they caucus with Democrats.

Contract: Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 7 at the November 3, 2026 general election?
Provider: kalshi; ID: kalshi-KXPLAINSDEMHOUSE-26NOV03-AL7; status: active
Source: https://kalshi.com/markets/kxplainsdemhouse-26nov03
Observed: Oct 29, 2026, 9:00 AM UTC
Listed close: Mar 15, 2027, 2:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 45.5%; 24h change unavailable
Outcome No: 54.5%; 24h change unavailable
Saved rules: If the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota is at least 7 at the November 3, 2026 general election, then the market resolves to Yes. Secondary rules: The qualifying districts are the 18 U.S. House districts in Iowa (4), Kansas (4), Nebraska (3), North Dakota (1), Oklahoma (5) and South Dakota (1), under the district boundaries in use at the 2026 elections.

A district counts only if the candidate elected there at the Nov 3, 2026 general election, for the term beginning Jan 3, 2027, is listed on the ballot as a Democrat, including as preferring the Democratic Party where a state uses an open, top-two or top-four ballot. If a runoff is required to determine the winner of any race, the runoff result governs. Independent and third-party winners do NOT count, even if they caucus with Democrats.

Contract: Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 6 at the November 3, 2026 general election?
Provider: kalshi; ID: kalshi-KXPLAINSDEMHOUSE-26NOV03-AL6; status: active
Source: https://kalshi.com/markets/kxplainsdemhouse-26nov03
Observed: Oct 29, 2026, 9:00 AM UTC
Listed close: Mar 15, 2027, 2:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 47.0%; 24h change unavailable
Outcome No: 53.0%; 24h change unavailable
Saved rules: If the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota is at least 6 at the November 3, 2026 general election, then the market resolves to Yes. Secondary rules: The qualifying districts are the 18 U.S. House districts in Iowa (4), Kansas (4), Nebraska (3), North Dakota (1), Oklahoma (5) and South Dakota (1), under the district boundaries in use at the 2026 elections.

A district counts only if the candidate elected there at the Nov 3, 2026 general election, for the term beginning Jan 3, 2027, is listed on the ballot as a Democrat, including as preferring the Democratic Party where a state uses an open, top-two or top-four ballot. If a runoff is required to determine the winner of any race, the runoff result governs. Independent and third-party winners do NOT count, even if they caucus with Democrats.

Contract: Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 5 at the November 3, 2026 general election?
Provider: kalshi; ID: kalshi-KXPLAINSDEMHOUSE-26NOV03-AL5; status: active
Source: https://kalshi.com/markets/kxplainsdemhouse-26nov03
Observed: Oct 29, 2026, 9:00 AM UTC
Listed close: Mar 15, 2027, 2:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 53.5%; 24h change unavailable
Outcome No: 46.5%; 24h change unavailable
Saved rules: If the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota is at least 5 at the November 3, 2026 general election, then the market resolves to Yes. Secondary rules: The qualifying districts are the 18 U.S. House districts in Iowa (4), Kansas (4), Nebraska (3), North Dakota (1), Oklahoma (5) and South Dakota (1), under the district boundaries in use at the 2026 elections.

A district counts only if the candidate elected there at the Nov 3, 2026 general election, for the term beginning Jan 3, 2027, is listed on the ballot as a Democrat, including as preferring the Democratic Party where a state uses an open, top-two or top-four ballot. If a runoff is required to determine the winner of any race, the runoff result governs. Independent and third-party winners do NOT count, even if they caucus with Democrats.

Contract: Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 4 at the November 3, 2026 general election?
Provider: kalshi; ID: kalshi-KXPLAINSDEMHOUSE-26NOV03-AL4; status: active
Source: https://kalshi.com/markets/kxplainsdemhouse-26nov03
Observed: Oct 29, 2026, 9:00 AM UTC
Listed close: Mar 15, 2027, 2:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 54.5%; 24h change unavailable
Outcome No: 45.5%; 24h change unavailable
Saved rules: If the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota is at least 4 at the November 3, 2026 general election, then the market resolves to Yes. Secondary rules: The qualifying districts are the 18 U.S. House districts in Iowa (4), Kansas (4), Nebraska (3), North Dakota (1), Oklahoma (5) and South Dakota (1), under the district boundaries in use at the 2026 elections.

A district counts only if the candidate elected there at the Nov 3, 2026 general election, for the term beginning Jan 3, 2027, is listed on the ballot as a Democrat, including as preferring the Democratic Party where a state uses an open, top-two or top-four ballot. If a runoff is required to determine the winner of any race, the runoff result governs. Independent and third-party winners do NOT count, even if they caucus with Democrats.

Contract: Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 3 at the November 3, 2026 general election?
Provider: kalshi; ID: kalshi-KXPLAINSDEMHOUSE-26NOV03-AL3; status: active
Source: https://kalshi.com/markets/kxplainsdemhouse-26nov03
Observed: Oct 29, 2026, 9:00 AM UTC
Listed close: Mar 15, 2027, 2:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 54.5%; 24h change unavailable
Outcome No: 45.5%; 24h change unavailable
Saved rules: If the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota is at least 3 at the November 3, 2026 general election, then the market resolves to Yes. Secondary rules: The qualifying districts are the 18 U.S. House districts in Iowa (4), Kansas (4), Nebraska (3), North Dakota (1), Oklahoma (5) and South Dakota (1), under the district boundaries in use at the 2026 elections.

A district counts only if the candidate elected there at the Nov 3, 2026 general election, for the term beginning Jan 3, 2027, is listed on the ballot as a Democrat, including as preferring the Democratic Party where a state uses an open, top-two or top-four ballot. If a runoff is required to determine the winner of any race, the runoff result governs. Independent and third-party winners do NOT count, even if they caucus with Democrats.

Saved cross-platform review:
No exact pair with two valid binary Yes prices is available for comparison.

Explain the named outcomes, material rule/deadline differences, and evidence limits. Keep Polymarket dollar volume separate from Kalshi contract counts. Do not average unrelated contracts, infer missing prices or changes, or describe unreviewed/related pairs as equivalent. Distinguish listed prices from executable bid/ask prices, fees and available size. Do not invent current news, confidence scores or settlement guarantees. Cite the provided source links and identify what further evidence would be needed.

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KALSHIElections

How many Great Plains House seats will Democrats win in 2026?

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Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 4 at the November 3, 2026 general election?

kalshi

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 4 at the November 3, 2026 general election?

Yes: 54.5¢
No: 45.5¢

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 3 at the November 3, 2026 general election?

kalshi

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 3 at the November 3, 2026 general election?

Yes: 54.5¢
No: 45.5¢

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 5 at the November 3, 2026 general election?

kalshi

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 5 at the November 3, 2026 general election?

Yes: 53.5¢
No: 46.5¢

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 6 at the November 3, 2026 general election?

kalshi

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 6 at the November 3, 2026 general election?

Yes: 47.0¢
No: 53.0¢

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 8 at the November 3, 2026 general election?

kalshi

Will the number of Democratic U.S. House members elected from Iowa, Kansas, Nebraska, North Dakota, Oklahoma and South Dakota be at least 8 at the November 3, 2026 general election?

Yes: 45.5¢
No: 54.5¢

Prices are catalog snapshots and may have changed. Check each market's rules and observation time.

PolymarketKalshiPolitics

How many House seats will Democrats win in California?

PM $30.3K · K 31.9K contracts

Will Democrats win exactly 48 House seats in California in the 2026 midterm elections?

Kalshi: Will Democrats win exactly 48 seats in the 2026 U.S. House of Representatives elections in California?

Same question, fine print differs

PM Yes 75.5%Rules differK Yes 76%

Will Democrats win exactly 45 House seats in California in the 2026 midterm elections?

Kalshi: Will Democrats win exactly 45 seats in the 2026 U.S. House of Representatives elections in California?

Same question, fine print differs

PM Yes 4.3%Rules differK Yes 14.6%

Will Democrats win exactly 44 House seats in California in the 2026 midterm elections?

Kalshi: Will Democrats win exactly 44 seats in the 2026 U.S. House of Representatives elections in California?

Same question, fine print differs

PM Yes 1.4%Rules differK Yes 14.1%

Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.

Saved prices; check contract rules.

7 saved comparisonsNext deadline Nov 4, 2026 UTC

KalshiPolitics

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Mar 15, 2027, 2:00 PM UTC

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