{"fields":[{"name":"security_id","description":"Persistent Cohort 1.1 PFHC security identifier"},{"name":"quarter_end","description":"Fund valuation date at a calendar quarter end"},{"name":"price_usd","description":"USD value per share implied by filed holdings"},{"name":"n_sp500_funds","description":"Number of independent S&P 500 fund observations supporting the median"},{"name":"price_basis","description":"Rule producing the selected fund-filing-implied price"}]}