In particular, constant percentages can be used which can be applied to the inverse efficiency.

The Bear ETF is designed to generate twice the daily downside performance of the futures contract.

This is a leveraged fund designed to return twice the inverse daily performance of TLT.

The ETF is designed to deliver twice the daily inverse return of gold bullion prices.

Each Index ETF or Inverse ETF seeks a return that is 100% or -100%, respectively, of the performance of a Target.

However, the deviation of returns of an Inverse ETF from the inverse performance of its underlying index can be expected to become more pronounced as the volatility of the underlying index, and/or the period of time, increases.

However, any deviation of returns of an Inverse ETF from the inverse performance of its Underlying Index can be expected to become more pronounced as the volatility of the Underlying Index, and/or the period of time, increases.

A set of such strong and small size screws (10) is also provided where the smallest sizes can have one performance ratio emphasized over another, and the larger sizes can have the emphasis reversed.

Also, certain hedge funds will use leveraged and inverse ETFs to execute high-conviction long or short positions.

Certain hedge funds will use leveraged and inverse ETFs to execute high-conviction long or short positions.

This greatly increases the efficiency of the reverse osmosis system.

In particular, constant percentages can be used which can be applied to the inverse efficiency.

Each Inverse ETF seeks a return that is -100% of the performance of a Target.

The price and yield of a bond move in opposite directions.

The yield and price of a bond always move inversely.