The document evaluates the World Bank Group's support for capital market development, assessing its relevance, effectiveness, and efficiency across 1,071 interventions in 64 countries. Key findings indicate that while diagnostics and innovative advisory strategies were beneficial, there were significant challenges such as limited follow-up on findings, integration issues, and uncertain funding commitments. Recommendations include better integration of capital market development into broader support initiatives and enhanced use of diagnostics to improve future interventions.