Resolution criteria

This market will resolve to the candidate who officially wins the 2028 Democratic primary election for the Class III U.S. Senate seat in Pennsylvania.

• Source of Truth: Resolution will be based on the official primary election results published by the Pennsylvania Department of State Election Returns portal.

• Timing: The primary election is scheduled to occur in Spring 2028. The market will resolve once the official results are certified, or when major media consensus (such as the Associated Press or Decision Desk HQ) makes an unambiguous projection.

• Uncontested/Canceled Primaries: If the primary is canceled, uncontested, or decided by party executive committee appointment rather than a public ballot, the market will resolve to the candidate officially designated as the Democratic nominee.

• Party Affiliation: If a candidate switches parties before the election, they must win the Democratic primary to resolve this market as YES.

• Adding Options: Since anyone can add answers to this market, if a candidate who is not currently listed wins the primary, the market will resolve to that candidate's newly added option.

Background

The 2028 Pennsylvania U.S. Senate election is for the Class III seat currently held by Senator John Fetterman (D), who was elected in 2022 and whose first term expires in January 2029.

Fetterman’s tenure has faced scrutiny and pushback from progressive factions of the Democratic Party, generating early speculation regarding potential primary challengers. Notable figures within Pennsylvania Democratic politics—including U.S. Representative Summer Lee, former U.S. Representative Conor Lamb, and Governor Josh Shapiro—are often cited as prospective candidates or major players in the state's political landscape leading up to 2028.

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