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Republicans favored to win the Senate on Nate Silver's Bulletin by...?
As of October 5, 2026, traders on Polymarket favor October 31 at 23%, ahead of September 30 at 4%. $90 traded in the last 24 hours, $3K in all.
- Favorite
- October 31 23%
- 24 hours
- up 1 pts
- Traded today
- $90
- Traded in all
- $3K
- Closes
- November 1, 2026
Every outcome
- October 3123%▲ 1
- September 304%▲ 4
How the odds have moved
0%25%50%75%100%10:48 AM10:48 PM10:48 AM23% October 31
The line follows the current favorite, October 31. One reading an hour.
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More parties and 2028 markets
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- Who will announce Presidential run before 2027?Ron DeSantis 14%
- 2028 Democratic VP nomineeElissa Slotkin 9%
- 2028 Republican Presidential ticketJD Vance and Marco Rubio 27%
- Democratic nomination odds leader on October 31?Jon Ossoff 47%
Prices are Polymarket's own (displayed price), collected every 10 minutes. Research, not betting advice.
