The S&P 500 median company is currently overvalued by 8% vs. historical averages, with quality scores marginally above baseline. Energy leads in both value and quality scores; real estate and healthcare sectors are also notably undervalued relative to 11-year averages. Recent performance highlights significant mega-cap bias, with SPYM's 12-month total return at 29.9% compared to 20.4% for the equal-weighted index.