Recent Atlanta Fed GDPNow estimates for Q4 2026 stand at 3.4% annualized, following Q3's 3.4% print, with strong business investment in AI-related capex and resilient consumer spending underpinning the near-term outlook. Market-implied odds cluster tightly around the 2.5-3.5% ranges because elevated PCE inflation near 3.6% and a potential December FOMC rate hike introduce downside risks to growth, while solid labor market data (4.1% unemployment, 165k payroll gains) support upside scenarios. Traders price in uncertainty from moderating forecasts, geopolitical oil pressures, and inventory dynamics that could shift the outcome between the leading buckets. Key near-term catalysts include upcoming employment reports, GDPNow revisions, and final Q4 data releases.