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Бакалавриат 2022/2023

Финансовая математика и оценка активов

Направление: 38.03.01. Экономика
Когда читается: 4-й курс, 1, 2 модуль
Формат изучения: с онлайн-курсом
Онлайн-часы: 16
Охват аудитории: для своего кампуса
Язык: английский
Кредиты: 5
Контактные часы: 64

Course Syllabus

Abstract

This is an introduction to an exciting and relatively new area of mathematical application. It is concerned with the valuation (pricing) of ‘financial derivatives’. These are contracts which are bought or sold in exchange for the promise of some kind of payment in the future, usually contingent upon the share-price then prevailing (of a specified share, or share index). The course reviews the financial environment and some of the financial derivatives traded on the market. It then introduces the mathematical tools which enable the modelling of the fluctuations in share prices. Inevitably these are modelled by equations containing a random term. It is this term which introduces risk; it is shown how to counterbalance the risks by putting together portfolios of shares and derivatives so that risks temporarily cancel each other out and this strategy is repeated over time. As this procedure resembles hedging a bet – that is, betting both ways - one talks of dynamic hedging. The yield of a temporarily riskless portfolio is equated to the rate of return offered by a safe deposit bank account (that is a riskless bank rate) which is assumed to exist; this equation assumes that the market which values shares and derivatives actually is in equilibrium and hence eliminates the opportunities of ‘arbitrage’ (such as making sure profit from, say, buying cheap and selling dear). The no-arbitrage approach implies in the continuous time model that the price of a derivative is the solution of a differential equation. One may either attempt to solve the differential equation by standard means such as numerical techniques or via Laplace transforms, though this is not always easy or feasible. However, there is an alternative route which may provide the answer: a calculation of the expected payment to be obtained from the contract by using what is known as the synthetic probability (or the risk-neutral probability. One proves that, regardless of what an investor believes the expected growth rate of the share price to be, the dynamic hedging acts so as to replace the believed growth rate by the riskless growth rate. Though this may seem obvious in retrospect it does require some careful reasoning to justify. The course considers two approaches to risk-neutral calculation, using discrete time and using continuous time. Continuous time requires the establishment of a second-order volatility correction term when using standard first-order approximation from calculus. This leads to what is known as Ito’s Rule. Finite time arguments need some apparatus from Linear Algebra like the Separating Hyperplane Theorem. We enter the subject from the discrete time model for an easier discussion of the main issues.
Learning Objectives

Learning Objectives

  • introduce the main mathematical ideas involved in the modelling of asset price evolution and the valuation of contingent claims (such as call and put options) in a discrete and in a continuous framework
Expected Learning Outcomes

Expected Learning Outcomes

  • compute implied volatility
  • apply basic rules of the Ito calculus for stochastic processes
  • apply the general results of the multiperiod model in the binomial model
  • Apply the required concepts from the theory of random sequences: filtration, adapted and predictable sequences, conditional expectation, martingales, martingale measures.
  • Explain the basic financial derivative contracts, how and when they are used
  • explain the concept of a complete financial market and the absence of arbitrage in a multi-period model
  • explain the concept of a complete financial market and the absence of arbitrage in the one-period model.
  • explain the concept of a random process, and, in particular, the Brownian motion and the geometric Brownian motion
  • explicitly compute the equivalent martingale measure in the binomial model
  • price contingent claims in the model with one risky asset and two random outcomes (states)
  • price contingent claims in the model with one risky asset and two random outcomes (states).
  • price contingent claims in the model with several risky assets and one period of time.
  • to apply the Black-Schles formula for European options
  • Is able to create and edit scientific and popular texts, to present complex historical information in a publicly accessible form (ОПК-4) Capable of conducting independent research, including problem analysis, setting goals and objectives, identifying the object and subject of re-search, choosing the mode and methods of research, and assessing its quality (ОПК-7) Is able to improve and develop his intellectual and cultural level, to build a trajectory of professional development and career (УК-4)
  • Is able to take part in scientific polemics in oral and written form (ПК-4); Capable of extracting, selecting and structuring information from a varie-ty of types of sources according to professional objectives (ПК-7); Is able to analyze historical sources, scientific texts and reports, to review scientific literature in Russian and foreign languages (ОПК-2); Is able to reflex (evaluate and rework) the learned scientific and activity methods (УК-1)
  • Be able to create statistical models based on observation of economic processes and phenomena, analyse the data and interpret results (ПК-13).
Course Contents

Course Contents

  • Financial environment
  • One risky asses and two states
  • One period many assets
  • Multi-period models
  • The binomial model
  • Continuous-time modelling
  • Black-Scholes model
  • Perpetual options
Assessment Elements

Assessment Elements

  • non-blocking Final exam
  • non-blocking Midterm test
  • non-blocking Home assignments
Interim Assessment

Interim Assessment

  • 2022/2023 2nd module
    0.5 * Final exam + 0.2 * Midterm test + 0.3 * Home assignments
Bibliography

Bibliography

Recommended Core Bibliography

  • Föllmer, H., & Schied, A. (2011). Stochastic Finance : An Introduction in Discrete Time (Vol. 3rd, and extended ed). Berlin: De Gruyter. Retrieved from http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edsebk&AN=388088
  • Hull, J. (2017). Fundamentals of Futures and Options Markets, Global Edition (Vol. Eighth edition). Boston: Pearson. Retrieved from http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edsebk&AN=1419711
  • Hull, J. C. (2017). Options, Futures, and Other Derivatives, Global Edition. [Place of publication not identified]: Pearson. Retrieved from http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edsebk&AN=1538007
  • Introduction to mathematical finance : discrete time models, Pliska, S.R., 2005

Recommended Additional Bibliography

  • Hull, J. (2012). Options, Futures and Other Derivatives: Global Edition : QMUL (Vol. 8th ed., Global ed). Harlow: Pearson Education. Retrieved from http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edsebk&AN=1417930
  • Stochastic calculus for finance. Vol.1: The binomial asset pricing model, Shreve, S. E., 2004
  • Stochastic calculus for finance. Vol.2: Continuous-time models, Shreve, S. E., 2004

Presentation

  • Syllabus

Authors

  • ZHITLUKHIN MIKHAIL VALENTINOVICH
  • LYULKO YAROSLAV ALEKSANDROVICH