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convexity property

См. также в других словарях:

  • convexity — A measure of the sensitivity of duration to changes in yield levels. Convexity is a measure of the stability or instability of the measured duration over a range of yields. If convexity is low, that is, if the price/yield relationship is close to …   Financial and business terms

  • convexity — noun 1. the property possessed by a convex shape (Freq. 1) • Syn: ↑convexness • Derivationally related forms: ↑convex (for: ↑convexness), ↑convex • …   Useful english dictionary

  • positive convexity — A particular type of instability in the duration of an instrument. Positive convexity means that as yields rise, duration declines. Graphically, this is seen as a price/yield curve for which the price at very low and very high yields exceeds the… …   Financial and business terms

  • Negative Convexity — When the shape of a bond s yield curve is concave. A bond’s convexity is the rate of change of its duration, and is measured as the second derivative of price with respect to yield. Most mortgage bonds are negatively convex. Callable bonds… …   Investment dictionary

  • Positive convexity — A property of option free bonds whereby the price appreciation for a large upward change in interest rates will be greater ( in absolute terms) than the price depreciation for the same downward change in interest rates. The New York Times… …   Financial and business terms

  • Convex function — on an interval. A function (in black) is convex if and only i …   Wikipedia

  • Gamma function — For the gamma function of ordinals, see Veblen function. The gamma function along part of the real axis In mathematics, the gamma function (represented by the capital Greek letter Γ) is an extension of the factorial function, with its… …   Wikipedia

  • Convexidad logarítmica — Esta página o sección está siendo traducida del idioma inglés a partir del artículo Logarithmically convex function, razón por la cual puede haber lagunas de contenidos, errores sintácticos o escritos sin traducir. Puedes colaborar con… …   Wikipedia Español

  • Option-adjusted spread — (OAS) is the flat spread which has to be added to the treasury yield curve in a pricing model (that accounts for embedded options) to discount a security payment to match its market price. OAS is hence model dependent. This concept can be applied …   Wikipedia

  • Differential geometry of surfaces — Carl Friedrich Gauss in 1828 In mathematics, the differential geometry of surfaces deals with smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives:… …   Wikipedia

  • Convex set — A convex set …   Wikipedia

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