Boost FTSE 100 3x Short Daily ETP aims to track the performance of the FTSE 100 Daily Ultra Short Strategy RT Gross TR Index. The FTSE 100 Ultra Short Strategy RT Gross TR Index aims to replicate the inverse daily performance of the FTSE 100 Total Return Declared Dividend Index multiplied by a leverage factor of three and adjusted to reflect certain inherent costs and revenues of maintaining the short positions required to achieve that aim.