About This Graph

This interactive chart provides an in-depth look at the 2026 Congressional Generic Ballot, tracking the vote between Democrats and Republicans over time. Data is aggregated from multiple trusted polling services, ensuring a balanced view of the trends.

In addition to real-time data visualization, the graph employs advanced forecasting techniques to project future trends. The forecasting system dynamically tunes its parameters using recent data—optimizing accuracy by minimizing prediction error.

Key features include:

• Responsive design with clear, smooth trend lines.
• Detailed tooltips displaying the date, individual percentages for Democrats/Republicans, and net margin.
• An optimized forecasting system that adjusts its parameters based on recent performance.
• Interactive controls for adjusting the displayed date range.

Explore the chart by hovering over or clicking on data points to reveal additional insights and detailed forecasting projections.