Incumbent Democrat Mary Gay Scanlon's commanding trader consensus at 93% implied probability in the PA-05 House race stems from the district's strong D+15 Cook Partisan Voter Index, her consistent general election margins exceeding 65% since 2018—including a 65.2% win in 2024—and superior fundraising with nearly $400,000 cash on hand as of late March. Forecasters like Cook Political Report rate it Solid Democratic, reflecting suburban Philadelphia demographics favoring Democrats. No notable developments have occurred in the past 30 days, but the May 19 primaries feature an unopposed Scanlon on the Democratic side against obscure Republican Nick Manganaro. Scenarios to challenge include a late GOP recruit, Scanlon scandal, or national midterm Republican wave, though structural barriers remain high.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedPA-05 House Election Winner
PA-05 House Election Winner
$21,532 Vol.
$21,532 Vol.
Democratic Party
93%
Republican Party
6%
$21,532 Vol.
$21,532 Vol.
Democratic Party
93%
Republican Party
6%
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Market Opened: Jan 28, 2026, 11:23 AM ET
Resolver
0x2F5e3684c...A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Resolver
0x2F5e3684c...Incumbent Democrat Mary Gay Scanlon's commanding trader consensus at 93% implied probability in the PA-05 House race stems from the district's strong D+15 Cook Partisan Voter Index, her consistent general election margins exceeding 65% since 2018—including a 65.2% win in 2024—and superior fundraising with nearly $400,000 cash on hand as of late March. Forecasters like Cook Political Report rate it Solid Democratic, reflecting suburban Philadelphia demographics favoring Democrats. No notable developments have occurred in the past 30 days, but the May 19 primaries feature an unopposed Scanlon on the Democratic side against obscure Republican Nick Manganaro. Scenarios to challenge include a late GOP recruit, Scanlon scandal, or national midterm Republican wave, though structural barriers remain high.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
Beware of external links.
Beware of external links.
Frequently Asked Questions