Tennessee's May 2026 congressional redistricting fundamentally altered the TN-09 race by extending the district from its Memphis core into Republican-leaning suburbs around Nashville, prompting incumbent Steve Cohen's withdrawal and creating an open Democratic primary on August 6. This structural shift has elevated state Representative Justin Pearson as the frontrunner, reflecting his established Memphis base, fundraising edge, and name recognition among local Democratic voters. DeVante Hill maintains secondary support as a community activist, while Cohen's residual market share underscores limited lingering trader interest despite his exit. The resulting trader consensus aligns with the revised electoral map's impact on candidate viability ahead of the primary.