Incumbent Democrat Adam Gray's dominant fundraising—$1.2 million cash on hand as of late 2025—and proven overperformance against Kamala Harris in 2024, particularly in his Merced base, underpin trader consensus pricing Democratic Party victory at 76.5% in California's 13th Congressional District House race. Gray, who flipped the seat by 187 votes last cycle in this D+2 battleground spanning Central Valley communities like Merced and Modesto, launched his re-election bid in mid-March 2026, emphasizing bipartisan record on water infrastructure, agriculture, and healthcare amid a government shutdown vote. With the June 2 top-two primary nearing, forecasters like Cook Political Report and others rate it Lean Democratic, as Gray's advantages eclipse Republican challengers Vin Kruttiventi and Kevin Lincoln II.
Experimental AI-generated summary referencing Polymarket data · UpdatedCA-13 House Election Winner
CA-13 House Election Winner
Democratic Party
77%
Republican Party
21%
Democratic Party
77%
Republican Party
21%
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: Dec 16, 2025, 11:45 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 Adam Gray's dominant fundraising—$1.2 million cash on hand as of late 2025—and proven overperformance against Kamala Harris in 2024, particularly in his Merced base, underpin trader consensus pricing Democratic Party victory at 76.5% in California's 13th Congressional District House race. Gray, who flipped the seat by 187 votes last cycle in this D+2 battleground spanning Central Valley communities like Merced and Modesto, launched his re-election bid in mid-March 2026, emphasizing bipartisan record on water infrastructure, agriculture, and healthcare amid a government shutdown vote. With the June 2 top-two primary nearing, forecasters like Cook Political Report and others rate it Lean Democratic, as Gray's advantages eclipse Republican challengers Vin Kruttiventi and Kevin Lincoln II.
Experimental AI-generated summary referencing Polymarket data · Updated

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