TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 12, 12:02 PM EST
Polymarket
Description
The 2026 French Senate election is scheduled for September 27, 2026, renewing série 2 — 178 of the Senate's 348 seats. The new senators are currently scheduled to take office on October 1, 2026, and the deadline for submitting new political-group membership lists and political declarations is currently set for October 5, 2026, at 4:00 PM CEST. This market will resolve according to the number of French Senate seats held by the Groupe Les Républicains as of October 12, 2026, 4:00 PM CEST. The seat count will be the group's total membership as published by the French Senate (senat.fr), counting members (membres), related (apparentés), and affiliated (rattachés). A group will qualify as the Groupe Les Républicains if it satisfies at least one of the following: - Its official name includes "Les Républicains" or a clear variant thereof; - Its political declaration published in the Official Journal (Journal Officiel) of France identifies it as a continuation of the group; or - It is publicly recognized as the continuation of the Groupe Les Républicains, and this characterization is confirmed by a consensus of credible reporting. A group that changes its name will continue to qualify if it meets at least one of the criteria above. If the group merges with one or more other groups, this market will resolve according to the total membership of the merged group, provided the merged group meets at least one of the criteria above. If no group qualifies, or group composition is not officially published, as of October 12, 2026, 4:00 PM CEST, this market will resolve to the lowest bracket. The administrative meeting of senators not appearing on the list of any group (RASNAG) will not qualify as a group for the purposes of this market. The resolution source for this market will be publications of the French Senate (senat.fr) and the Official Journal of France, and a consensus of credible reporting.
Polymarket
The 2026 French Senate election is scheduled for September 27, 2026, renewing série 2 — 178 of the Senate's 348 seats. The new senators are currently scheduled to take office on October 1, 2026, and the deadline for submitting new political-group membership lists and political declarations is currently set for October 5, 2026, at 4:00 PM CEST. This market will resolve according to the number of French Senate seats held by the Groupe Les Républicains as of October 12, 2026, 4:00 PM CEST. The seat count will be the group's total membership as published by the French Senate (senat.fr), counting members (membres), related (apparentés), and affiliated (rattachés). A group will qualify as the Groupe Les Républicains if it satisfies at least one of the following: - Its official name includes "Les Républicains" or a clear variant thereof; - Its political declaration published in the Official Journal (Journal Officiel) of France identifies it as a continuation of the group; or - It is publicly recognized as the continuation of the Groupe Les Républicains, and this characterization is confirmed by a consensus of credible reporting. A group that changes its name will continue to qualify if it meets at least one of the criteria above. If the group merges with one or more other groups, this market will resolve according to the total membership of the merged group, provided the merged group meets at least one of the criteria above. If no group qualifies, or group composition is not officially published, as of October 12, 2026, 4:00 PM CEST, this market will resolve to the lowest bracket. The administrative meeting of senators not appearing on the list of any group (RASNAG) will not qualify as a group for the purposes of this market. The resolution source for this market will be publications of the French Senate (senat.fr) and the Official Journal of France, and a consensus of credible reporting.
Frequently asked questions
Currently, this market reflects a tighter race than most public polling averages suggest. While polls often show a more pronounced lead for one side, traders are pricing in greater uncertainty, likely due to recent shifts in voter sentiment or campaign dynamics. This divergence can offer early warning signs of potential polling inaccuracies or emerging trends that aren’t yet fully captured in traditional surveys.
This market resolves around Sep 28, 2026, with the outcome confirmed once the official French Senate election results are verified against credible public sources. The final seat count will be determined by the certified results from the French electoral authority, and the market will close based on that verified tally.
Key events that could shift this market include major polling updates, campaign milestones such as debates or party conventions, economic announcements affecting voter sentiment, and any significant political scandals or policy shifts. Additionally, regional voting trends and turnout expectations can cause price swings, especially as the election date approaches and uncertainty decreases.
