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The construction of an asset and a liability match that benefits from offsetting changes in value.

Price Immunization

A strategy of matching assets to future liabilities. That is, price immunization involves investing in certain securities with a certain expected return so that the investor will be able to pay for future liabilities. Pension funds and annuities use price immunization more than many investors because they have future liabilities that are both large and relatively easy to estimate. Portfolios that practice price immunization usually invest in low-risk, investment-grade securities. See also: Portfolio dedication.


A technique of investing in bonds such that the portfolio's target return is protected against interest rate fluctuations. Changes in returns at which cash flows can be reinvested are offset by changes in the value of the securities in the portfolio. See also bullet immunization.
References in periodicals archive ?
In 1985, Rotary International served as the catalyst for the Global Polio Eradication Initiative by setting the goal to immunize all the world's children against the disease by Rotary's 100th anniversary in 2005.
has recently developed a malaria vaccine that immunizes people against the stage of the protozoan transmitted to humans by mosquitoes.
to immunize [people] against cancer" so that they never develop melanoma.
military has used oral vaccines to immunize millions of soldiers against adenovirus, achieving a safety record that makes adenoviruses good vaccine candidates, the researchers say.
Parents who don't immunize cite studies that foster myths and fears.
lack of awareness among some parents and physicians about missed opportunities to immunize children, and difficulties in measuring immunization rates, contribute to the problem the nation faces.
The grant from the Aetna Foundation will help immunize about 300 children in the three neighborhoods.
In fact, the Centers for Disease Control and Prevention's (CDC) data show that more than enough vaccines are already purchased to fully immunize every child in America.