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Investments Dictionary

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North American Industrial Classification System codes that use numerical values to identify industries.
Naked Option Writing
Writing an option without an offsetting stock position.
The automated quotation system for the OTC market, showing current bid‐asked prices for thousands of stocks.
Neglected-firm Effect
That investments in stock of less well‐known firms have generated abnormal returns.
Net Asset Value (HAV)
The value of each share expressed as assets minus liabilities on a per‐share basis.
Net Pension Obligation
The cumulative difference between annual pension cost and the employer’s contribution to the plan.
Nominal Interest Rate
The interest rate in terms of nominal (not adjusted for purchasing power) dollars.
Nondirectional Strategy
A position designed to exploit temporary misalignments in relative pricing. Typically involves a long position in one security hedged with a short position in a related security.
Nondiversifiable Risk
See systematic risk.
Nonsystematic Risk
Nonmarket or firm‐specific risk factors that can be eliminated by diversification. Also· called unique risk or diversifiable risk. Systematic risk refers to risk factors common to the entire economy.
Normal Cost
The annual cost assigned, under the actuarial funding method, to current and subsequent plan years. Sometimes referred to as “current service cost”. Any payment Toward the unfunded actuarial accrued liability is not part of The normal cost.
Normal Distribution
Bell‐shaped probability distribution that characterizes many natural phenomena.
Notional Principal
Principal amount used to calculate swap payments.

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