Republicans currently hold 53 Senate seats entering the November 2026 midterms, with 22 of the 35 contested seats on the ballot. Recent polling shows a Democratic generic ballot advantage of roughly seven points and low presidential approval ratings near 38 percent, contributing to tightening or Democratic-leaning margins in multiple Republican-held contests including Texas, Ohio, Maine, Alaska, and Iowa. These trends have produced forecast ranges centered near 48–50 Republican seats after the election, with traders assigning the highest probabilities to outcomes of 47 or fewer. Key variables include candidate quality in open or vulnerable races, the impact of national economic and foreign policy conditions on turnout, and the final weeks of campaigning before Election Day. A net Democratic gain of four seats would flip control, while Republicans retain an edge if they limit losses in the most competitive states.
基于Polymarket数据的AI实验性摘要。这不是交易建议,也不影响该市场的结算方式。 · 更新于≤47 31%
48 16%
49 14%
50 13%
$2,912,185 交易量
$2,912,185 交易量
≤47
31%
48
16%
49
14%
50
13%
51
11%
52
6%
53
5%
54
4%
55
2%
56
1%
57+
1%
≤47 31%
48 16%
49 14%
50 13%
$2,912,185 交易量
$2,912,185 交易量
≤47
31%
48
16%
49
14%
50
13%
51
11%
52
6%
53
5%
54
4%
55
2%
56
1%
57+
1%
The seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Runoffs for qualifying elections will determine attribution of the relevant seat, even if they take place after November 2026. Vacant seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat.
For seats contested in the specified election, seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected.
For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election.
Senate members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with, the Republican party are included in the count. If the caucus decisions of members of the Senate elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party.
The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.
市场开放时间: Dec 18, 2025, 8:55 PM ET
The seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Runoffs for qualifying elections will determine attribution of the relevant seat, even if they take place after November 2026. Vacant seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat.
For seats contested in the specified election, seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected.
For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election.
Senate members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with, the Republican party are included in the count. If the caucus decisions of members of the Senate elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party.
The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.
Republicans currently hold 53 Senate seats entering the November 2026 midterms, with 22 of the 35 contested seats on the ballot. Recent polling shows a Democratic generic ballot advantage of roughly seven points and low presidential approval ratings near 38 percent, contributing to tightening or Democratic-leaning margins in multiple Republican-held contests including Texas, Ohio, Maine, Alaska, and Iowa. These trends have produced forecast ranges centered near 48–50 Republican seats after the election, with traders assigning the highest probabilities to outcomes of 47 or fewer. Key variables include candidate quality in open or vulnerable races, the impact of national economic and foreign policy conditions on turnout, and the final weeks of campaigning before Election Day. A net Democratic gain of four seats would flip control, while Republicans retain an edge if they limit losses in the most competitive states.
基于Polymarket数据的AI实验性摘要。这不是交易建议,也不影响该市场的结算方式。 · 更新于



警惕外部链接哦。
警惕外部链接哦。
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