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Definitions (1589)
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real estate
Interests in land or structures attached to land.
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ratio spread
An option strategy in which a long position in a certain number of options is offset by a short position in a certain number of other options on the same underlying, resulting in a riskfree position.Related Terms: Option
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range
The difference between the maximum and minimum values in a dataset.
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rate duration
A fixedincome instrument’s or portfolio’s sensitivity to a change in key maturity, holding constant all other points along the yield curve.Related Terms: Yield curve
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ratio scales
A measurement scale that has all the characteristics of interval measurement scales as well as a true zero point as the origin.
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random walk
A time series in which the value of the series in one period is the value of the series in the previous period plus an unpredictable random error.Related Terms: Time series
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quotedriven markets
Markets that rely on dealers to establish firm prices at which securities can be bought and sold.Synonyms: dealer markets
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random number
An observation drawn from a uniform distribution.
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random number generator
An algorithm that produces uniformly distributed random numbers between 0 and 1.Related Terms: Random number
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