Split-ticket voting could impact key gubernatorial and Senate races

• Split-ticket voting is declining but remains crucial in some Senate and gubernatorial races.
• Battleground states could see significant impacts from split-ticket voters.
• Decision Desk HQ predicts an average gap of over 6 percentage points between Senate and gubernatorial races.
• Republicans aim to maintain control of both Senate and gubernatorial offices.
• Split-ticket voting could be pivotal in determining the balance of power in key states.