The five-candidate field in the Parti Socialiste–Place Publique primary, scheduled for first-round voting on 9–10 October 2026, features Raphaël Glucksmann as the clear frontrunner in available surveys yet without consolidated support sufficient for an outright majority. Olivier Faure, Ségolène Royal, Jérôme Guedj and Emmanuel Maurel continue to draw distinct segments of the roughly 140,000 registered voters, many of them party militants whose preferences remain divided along organizational and strategic lines. Recent televised debates highlighted personal and policy tensions without producing withdrawals or endorsements that would consolidate the vote. Under the two-round rules, traders therefore price a runoff as the more probable outcome, consistent with patterns in multi-candidate French left primaries where no single contender has historically cleared 50 percent on the initial ballot.