SR see STOCK RESERVE.
WARRANT, in government accounting, is an order drawn authorizing payment to a designated payee. In securities, it is a security entitling the holder to buy a proportionate amount of stock at some specified future date at a specified price, usually one higher than current market. This "warrant" is then traded as a security, the price of which reflects the value of the underlying stock. Warrants are issued by corporations and often used as a "sweetener" bundled with another class of security to enhance the marketability of the latter. Warrants are like call options, but with much longer time spans -- sometimes years. In addition, warrants are offered by corporations whereas exchange traded call options are not issued by firms.
IMMUNIZED PORTFOLIO is a portfolio structured such that the duration equals the duration of the investor's liabilities. The assets in the portfolio are structured to match the volatility of the investor's liabilities, thereby significantly reducing exposure to interest rate risk.
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