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How many Senate seats will Republicans hold after the 2028 election?

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How many Senate seats will Republicans hold after the 2028 election?

How many Senate seats will Republicans hold after the 2028 election?
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Market snapshot: Nov 1, 2026, 9:00 AM UTC. Prices may have changed.

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15 markets tracked

Will Republicans hold at least 42 Senate seats after the 2028 election?

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All Markets(15)
MarketOutcome price
Will Republicans hold at least 42 Senate seats after the 2028 election?
Yes 96.5%
Will Republicans hold at least 44 Senate seats after the 2028 election?
Yes 94.5%
Will Republicans hold at least 46 Senate seats after the 2028 election?
Yes 93.0%
Will Republicans hold at least 47 Senate seats after the 2028 election?
Yes 90.0%
Will Republicans hold at least 48 Senate seats after the 2028 election?
Yes 77.0%

Event Overview

When the new Senate convenes in Jan 2029 If the Republican Party holds at least X seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. This market will close and expire early if the event occurs.

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Markets (15)

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KALSHIPolitics
Will Republicans hold at least 42 Senate seats after the 2028 election?

Will Republicans hold at least 42 Senate seats after the 2028 election?

If the Republican Party holds at least 42 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome96.5%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 44 Senate seats after the 2028 election?

Will Republicans hold at least 44 Senate seats after the 2028 election?

If the Republican Party holds at least 44 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome94.5%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 46 Senate seats after the 2028 election?

Will Republicans hold at least 46 Senate seats after the 2028 election?

If the Republican Party holds at least 46 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome93.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 47 Senate seats after the 2028 election?

Will Republicans hold at least 47 Senate seats after the 2028 election?

If the Republican Party holds at least 47 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome90.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 48 Senate seats after the 2028 election?

Will Republicans hold at least 48 Senate seats after the 2028 election?

If the Republican Party holds at least 48 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome77.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 49 Senate seats after the 2028 election?

Will Republicans hold at least 49 Senate seats after the 2028 election?

If the Republican Party holds at least 49 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome63.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 50 Senate seats after the 2028 election?

Will Republicans hold at least 50 Senate seats after the 2028 election?

If the Republican Party holds at least 50 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome50.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 51 Senate seats after the 2028 election?

Will Republicans hold at least 51 Senate seats after the 2028 election?

If the Republican Party holds at least 51 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome37.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 52 Senate seats after the 2028 election?

Will Republicans hold at least 52 Senate seats after the 2028 election?

If the Republican Party holds at least 52 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome23.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 53 Senate seats after the 2028 election?

Will Republicans hold at least 53 Senate seats after the 2028 election?

If the Republican Party holds at least 53 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome10.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 54 Senate seats after the 2028 election?

Will Republicans hold at least 54 Senate seats after the 2028 election?

If the Republican Party holds at least 54 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome8.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 55 Senate seats after the 2028 election?

Will Republicans hold at least 55 Senate seats after the 2028 election?

If the Republican Party holds at least 55 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome7.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 56 Senate seats after the 2028 election?

Will Republicans hold at least 56 Senate seats after the 2028 election?

If the Republican Party holds at least 56 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome5.5%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 58 Senate seats after the 2028 election?

Will Republicans hold at least 58 Senate seats after the 2028 election?

If the Republican Party holds at least 58 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome4.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details
KALSHIPolitics
Will Republicans hold at least 60 Senate seats after the 2028 election?

Will Republicans hold at least 60 Senate seats after the 2028 election?

If the Republican Party holds at least 60 seats in the U.S. Senate at the end of the day the new Congress first convenes after the November 7, 2028, general election, then the market resolves to Yes. Secondary rules: Independent and unaffiliated members who caucus with Republicans will be included. Every voting seat in the Senate counts, including any seat not on the 2028 ballot. Vacant and disputed seats count toward no party. Early close condition: This market will close and expire early if the event occurs.

Yes outcome3.0%
Yes
Volume0 contracts
LiquidityN/A
End DateFeb 01, 2029
View Details

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