Recent fundraising momentum has positioned state Rep. Chris Rabb as the frontrunner in Pennsylvania’s 3rd Congressional District Democratic primary, with traders assigning him a clear lead over state Sen. Sharif Street and pediatric surgeon Ala Stanford. Rabb’s April haul more than doubled either rival’s, leaving him with the strongest cash-on-hand total heading into the May 19 vote to succeed retiring Rep. Dwight Evans. Street benefits from established party ties and recent labor endorsements, while Stanford draws support from women-led PACs, yet neither has matched Rabb’s late-cycle resource edge or progressive mobilization. With no independent public polling available and divisions over issues such as Gaza policy among the top three, the market reflects trader assessment of grassroots intensity and last-minute spending patterns in a race still too close for certainty.