Metrics similar to Index Membership in the misc category include:
Price Close (Unadjusted) - The price at the close of the trading day that have not been adjusted for splits and cash dividends.
Equity Risk Premium (Operating Country) - Equity risk premium in the country where the company operates as estimated by professor Aswath Damodaran at NYU Stern. Source: http://pages.stern.nyu.edu/~adamodar/New_Home_Page/datafile/ctryprem.html.