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<article xmlns="https://jats.nlm.nih.gov/publishing/1.1/" xmlns:xlink="http://www.w3.org/1999/xlink" xml:lang="ru" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" dtd-version="1.1" specific-use="eps-0.1"><front><journal-meta><journal-id journal-id-type="publisher">SciNotesIBI</journal-id><journal-id journal-id-type="ojs">SciNotesIBI</journal-id><journal-title-group><journal-title xml:lang="ru">Ученые записки Международного банковского института</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the International Banking Institute</trans-title></trans-title-group><abbrev-journal-title xml:lang="en">Proceedings of the International Banking Institute</abbrev-journal-title><abbrev-journal-title xml:lang="ru">Ученые записки Международного банковского института</abbrev-journal-title></journal-title-group><contrib-group/><publisher><publisher-name>Международный банковский институт</publisher-name><publisher-loc><country>RU</country><uri>https://www.ibispb.ru/</uri></publisher-loc></publisher><issn pub-type="ppub">2413-3345</issn><self-uri xlink:href="https://journal.ibispb.ru/index.php/SciNotesIBI"/></journal-meta><article-meta><article-id pub-id-type="publisher-id">105</article-id><article-categories><subj-group subj-group-type="heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title xml:lang="ru">ПОСТРОЕНИЕ ПОРТФЕЛЯ АКЦИЙ С ПОСТОЯННЫМСРЕДНИМ МЕТОДОМ МАКСИМИЗАЦИИ ПАРАМЕТРАСКОРОСТИ ВОЗВРАЩЕНИЯ К СРЕДНЕМУ ПРОЦЕССАОРНШТЕЙНА  УЛЕНБЕКА</article-title><trans-title-group xml:lang="en"><trans-title>BUILDING A MEAN-REVERTING PORTFOLIOBY MAXIMIZATION OF SPEED OF MEAN-REVERSIONOF ORNSTEIN-UHLENBECK PROCESS</trans-title></trans-title-group></title-group><contrib-group content-type="author"><contrib><name-alternatives><string-name specific-use="display">ПРАВДУХИН М.М</string-name><name name-style="western" specific-use="primary"><surname>PRAVDUKHIN</surname><given-names>Mikhail</given-names></name></name-alternatives><bio xml:lang="en"><p><br/>ITIVITI. Yakubovicha, 24, New St. Isaac Office Centre, 190000<br/>St. Petersburg, Russia<br/><br/></p></bio><bio xml:lang="ru"><p><br/>ITIVITI. Якубовича, 24, Офисный особняк Ново-Исаакиевский, 190000<br/>Санкт-Петербург, Россия<br/><br/></p></bio></contrib><contrib><name-alternatives><string-name specific-use="display">ШПОЛЯНСКИЙ Ю.А</string-name><name name-style="western" specific-use="primary"><surname>SHPOLYANSKIY</surname><given-names>Yuri</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/><bio xml:lang="en"><p>ITMO University. Kronverksky 49, 197101<br/>St Petersburg, Russia</p></bio><bio xml:lang="ru"><p>Университет ИТМО. Кронверкский пр, 49, 197101<br/>Санкт-Петербург, Россия</p></bio></contrib></contrib-group><aff id="aff-1"><institution content-type="orgname">Университет ИТМО</institution></aff><pub-date date-type="collection"><year>2020</year></pub-date><pub-date date-type="pub" publication-format="epub"><day>10</day><month>03</month><year>2020</year></pub-date><issue seq="4">1 (31)</issue><issue-id>25</issue-id><fpage>40</fpage><lpage>55</lpage><pub-history><event event-type="received"><event-desc>Received: <date date-type="received" iso-8601-date="2026-04-06T13:03:30+00:00"><day>6</day><month>4</month><year>2026</year></date></event-desc></event></pub-history><permissions><copyright-statement>Copyright (c) 2020 Scientific Notes of the International Banking Institute</copyright-statement><copyright-year>2020</copyright-year><copyright-holder>Scientific Notes of the International Banking Institute</copyright-holder><license xlink:href="https://creativecommons.org/licenses/by-nc/4.0/"><license-p>&lt;a rel="license" href="https://creativecommons.org/licenses/by-nc/4.0/"&gt;&lt;img alt="Лицензия Creative Commons" src="//i.creativecommons.org/l/by-nc/4.0/88x31.png" /&gt;&lt;/a&gt;&lt;p&gt;Это произведение доступно по &lt;a rel="license" href="https://creativecommons.org/licenses/by-nc/4.0/"&gt;лицензии Creative Commons «Attribution-NonCommercial» («Атрибуция — Некоммерческое использование») 4.0 Всемирная&lt;/a&gt;.&lt;/p&gt;</license-p></license></permissions><self-uri xlink:href="https://journal.ibispb.ru/index.php/SciNotesIBI/article/download/105/104/348" content-type="application/pdf"/><self-uri xlink:href="https://journal.ibispb.ru/index.php/SciNotesIBI/article/view/105"/><abstract><p>Предложен метод построения портфеля акций c постоянным средним, основанный наоценке вектора стационарной линейной комбинации нестационарных случайных процессовпутем максимизации параметра скорости возвращения к среднему процесса Орнштейна Уленбека. По сравнению с ранее известными подходами исключена трудоемкая процедураопределения порядка векторной авторегрессии, что позволило упростить и сделать болеенадежным алгоритм построения стационарного портфеля. На основе предложенного методаразработана торговая стратегия статистического арбитража, которая была протестирована наданных о ценах отраслевых ETF за период 20092019 гг. Продемонстрирована работоспособность стратегии, достигнутые характеристики эффективности: CAGR 5.05%, Sharpe Ratio 1.32и CAGR 2.93%, Sharpe Ratio 9.15. Доходность стратегии обеспечивается независимо от состояния рынка, в качестве индикатора которого был рассмотрен индекс S&amp;P500.</p></abstract><trans-abstract xml:lang="en"><p>A method of building a mean-reverting portfolio is proposed, based on estimating thevector of a stationary linear combination of non-stationary random processes by maximizing thespeed of mean-reverting parameter of the Ornstein  Uhlenbeck process. Compared withpreviously known approaches, the laborious procedure for determining the order of vector autoregression is excluded, which simplified and made more reliable the algorithm for constructing a stationary portfolio. Based on the proposed method, a trading strategy for statistical arbitrage was developed, which was tested on data of industry ETF prices for the period20092019. The efficiency of the strategy and the achieved performance characteristics weredemonstrated: CAGR 5.05%, Sharpe Ratio 1.32 and CAGR 2.93%, Sharpe Ratio 9.15. Theprofitability of the strategy is ensured regardless of the state of the market, an indicator of whichthe S&amp;P500 index was considered.</p></trans-abstract><trans-abstract xml:lang="en&lt;p&gt;A method of building a mean-reverting portfolio is proposed, based on estimating the&lt;br&gt;vector of a stationary linear combination of non-stationary random processes by maximizing the&lt;br&gt;speed of mean-reverting parameter of the Ornstein  Uhlenbeck process. Compared with&lt;br&gt;previously known approaches, the laborious procedure for determining the order of vector autoregression is excluded, which simplified and made more reliable the algorithm for constructing a stationary portfolio. Based on the proposed method, a trading strategy for statistical arbitrage was developed, which was tested on data of industry ETF prices for the period&lt;br&gt;20092019. The efficiency of the strategy and the achieved performance characteristics were&lt;br&gt;demonstrated: CAGR 5.05%, Sharpe Ratio 1.32 and CAGR 2.93%, Sharpe Ratio 9.15. The&lt;br&gt;profitability of the strategy is ensured regardless of the state of the market, an indicator of which&lt;br&gt;the S&amp;amp;P500 index was considered.&lt;/p&gt;"/><kwd-group xml:lang="ru"><title>Ключевые слова</title><kwd>Торговая стратегия</kwd><kwd>статистический арбитраж</kwd><kwd>портфель с постоянным средним</kwd><kwd>процесс Орнштейна  Уленбека</kwd><kwd>скорость возвращения к среднему</kwd></kwd-group><kwd-group xml:lang="en"><title>Keywords</title><kwd>Tradingstrategy</kwd><kwd>statisticalarbitrage</kwd><kwd>mean-reverting portfolio</kwd><kwd>Ornstein  Uhlenbeck process, speed of mean-reversion</kwd></kwd-group><funding-group><award-group><funding-source xml:lang="en">This research received no external funding</funding-source></award-group><award-group><funding-source xml:lang="ru">Настоящее исследование не получило внешнего финансирования</funding-source></award-group></funding-group><counts><page-count count="16"/></counts><custom-meta-group><custom-meta><meta-name>issue-cover</meta-name><meta-value><inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://journal.ibispb.ru/public/journals/1/cover_issue_25_ru.jpg"/></meta-value></custom-meta></custom-meta-group><custom-meta-group><custom-meta><meta-name>production-ready-file-url</meta-name><meta-value><ext-link ext-link-type="uri" xlink:href="https://journal.ibispb.ru/index.php/SciNotesIBI/jatsTemplate/download?submissionFileId=349&amp;fileId=202&amp;submissionId=105&amp;stageId=5"/></meta-value></custom-meta></custom-meta-group></article-meta></front><body/><back><ref-list><ref id="R1"><mixed-citation xml:lang="ru_RU">Avellaneda, M., Lee, J. 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