The Indexed Account credits interest to your policy based on positive performance of a specific index, giving you a greater opportunity to build cash value, subject to caps and floors. (protective.com)
Private Lenders offer loans with interest rates that rise and fall based on the performance of a specific index. (thesimpledollar.com)
An ETF or a mutual fund that attempts to track the performance of a specific index (sometimes referred to as a «benchmark»)-- like the popular S&P 500 Index, Nasdaq Composite Index, or Dow Jones Industrial Average. (investor.vanguard.com)