**Seven Republican senators have announced they will not seek re-election in the 2026 cycle, aligning with the market's dominant 78% probability on that exact outcome.** As of mid-August 2026, credible trackers such as Ballotpedia and Wikipedia report a total of eleven Senate retirements or departures from the ballot—seven Republicans and four Democrats—matching the current count precisely. Earlier announcements throughout 2025 and early 2026, including those by Sens. Joni Ernst (Iowa), Thom Tillis (North Carolina), Steve Daines (Montana), Cynthia Lummis (Wyoming), and Alan Armstrong (Oklahoma), established this baseline, with additional Republican exits solidifying the total at seven. Traders appear to view further shifts as unlikely absent new high-profile decisions, primary challenges, or unexpected candidacies for other offices, keeping probabilities on nearby figures like nine or five in the low single digits. This retirement wave exceeds recent cycles and reflects factors such as age, institutional pressures, and shifting electoral dynamics in the Republican conference.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato7 78%
11 6.6%
9 5.1%
5 3.0%
$101,131 Vol.
$101,131 Vol.
<5
1%
5
3%
6
1%
7
78%
8
1%
9
5%
10
1%
11
7%
12+
<1%
7 78%
11 6.6%
9 5.1%
5 3.0%
$101,131 Vol.
$101,131 Vol.
<5
1%
5
3%
6
1%
7
78%
8
1%
9
5%
10
1%
11
7%
12+
<1%
This market will resolve according to the total number of Republican members of the U.S. Senate who are considered to be retiring or not seeking reelection in 2026.
For the purposes of this market, a member may be considered not to seek reelection if:
• They publicly announce they are retiring from Congress and will not run for reelection to their current seat
• They choose to run for a different elected office in 2026 instead of running for reelection to their current seat
• They do not seek their party’s nomination for reelection to their current seat, meaning they neither file for reelection nor participate in their party’s nominating process (such as a primary, convention, or caucus)
Only members whose current term is scheduled to end with the 2026 regular election for the Senate may qualify for this market.
This market will not resolve until after the relevant final 2026 candidate filing deadline has passed in all states, which is expected to occur in late August 2026.
The resolution source for this market will be a consensus of credible reporting.
Mercato aperto: Dec 12, 2025, 6:43 PM ET
Resolver
0x2F5e3684c...This market will resolve according to the total number of Republican members of the U.S. Senate who are considered to be retiring or not seeking reelection in 2026.
For the purposes of this market, a member may be considered not to seek reelection if:
• They publicly announce they are retiring from Congress and will not run for reelection to their current seat
• They choose to run for a different elected office in 2026 instead of running for reelection to their current seat
• They do not seek their party’s nomination for reelection to their current seat, meaning they neither file for reelection nor participate in their party’s nominating process (such as a primary, convention, or caucus)
Only members whose current term is scheduled to end with the 2026 regular election for the Senate may qualify for this market.
This market will not resolve until after the relevant final 2026 candidate filing deadline has passed in all states, which is expected to occur in late August 2026.
The resolution source for this market will be a consensus of credible reporting.
Resolver
0x2F5e3684c...**Seven Republican senators have announced they will not seek re-election in the 2026 cycle, aligning with the market's dominant 78% probability on that exact outcome.** As of mid-August 2026, credible trackers such as Ballotpedia and Wikipedia report a total of eleven Senate retirements or departures from the ballot—seven Republicans and four Democrats—matching the current count precisely. Earlier announcements throughout 2025 and early 2026, including those by Sens. Joni Ernst (Iowa), Thom Tillis (North Carolina), Steve Daines (Montana), Cynthia Lummis (Wyoming), and Alan Armstrong (Oklahoma), established this baseline, with additional Republican exits solidifying the total at seven. Traders appear to view further shifts as unlikely absent new high-profile decisions, primary challenges, or unexpected candidacies for other offices, keeping probabilities on nearby figures like nine or five in the low single digits. This retirement wave exceeds recent cycles and reflects factors such as age, institutional pressures, and shifting electoral dynamics in the Republican conference.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato


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