A second order taylor series expansion will capture the curvature in addition to the trend and will often well. It was written as an advanced text to serve as a basis for a. The purpose of this report is to introduce the reader to convexity. Hence, convexity of the curve increases the increase in price, and reduces the loss in price, compared to what is given by a linear measure of duration. In fact, this function is most often a convex decreasing function. Pdf stochastic convexity and concavity of markov processes. Roughly speaking concavity of a function means that the graph is above chord. Concavity, convexity and points of inflexion submitted by vikram kumar maths p. The study of the concavity and convexity is done using the inflection points. Understanding duration and convexity of fixed income. Concavity and convexity, inflection points of a function.
Notes on online convex optimization karl stratos online convex optimization oco is a principled framework for online learning. Just like dollar duration and duration, dollar convexities add, convexities average. Increasing and decreasing functions, min and max, concavity. Concavity, convexity and points of inflexion submitted by. Preface this book serves as an introduction to the expanding theory of online convex optimization. A course on convex geometry university of ljubljana. The convexity of a portfolio is the average convexity of its securities, weighted by present value.
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