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<article article-type="research-article" dtd-version="1.2" xml:lang="ru" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><front><journal-meta><journal-id journal-id-type="issn">2518-1092</journal-id><journal-title-group><journal-title>Research result. Information technologies</journal-title></journal-title-group><issn pub-type="epub">2518-1092</issn></journal-meta><article-meta><article-id pub-id-type="doi">10.18413/2518-1092-2025-10-4-0-3</article-id><article-id pub-id-type="publisher-id">4013</article-id><article-categories><subj-group subj-group-type="heading"><subject>AUTOMATION AND CONTROL</subject></subj-group></article-categories><title-group><article-title>&lt;strong&gt;INFORMATION SYSTEM TO MAKE, ACCOUNTING&amp;nbsp;AND REBALANCING INVESTMENT PORTFOLIO&amp;nbsp;ON THE 1C:&amp;nbsp;ENTERPRISE PLATFORM&lt;/strong&gt;</article-title><trans-title-group xml:lang="en"><trans-title>&lt;strong&gt;INFORMATION SYSTEM TO MAKE, ACCOUNTING&amp;nbsp;AND REBALANCING INVESTMENT PORTFOLIO&amp;nbsp;ON THE 1C:&amp;nbsp;ENTERPRISE PLATFORM&lt;/strong&gt;</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Tikhonova</surname><given-names>Irina Vasilievna</given-names></name><name xml:lang="en"><surname>Tikhonova</surname><given-names>Irina Vasilievna</given-names></name></name-alternatives><email>irinat3873@gmail.com</email></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Gromov</surname><given-names>Andrey Viktorovich</given-names></name><name xml:lang="en"><surname>Gromov</surname><given-names>Andrey Viktorovich</given-names></name></name-alternatives><email>avg.irk@mail.ru</email></contrib></contrib-group><pub-date pub-type="epub"><year>2025</year></pub-date><volume>10</volume><issue>4</issue><fpage>0</fpage><lpage>0</lpage><self-uri content-type="pdf" xlink:href="/media/information/2025/4/ИТ_НР_10_4_3.pdf" /><abstract xml:lang="ru"><p>The article presents an analysis of the business processes of forming, accounting and rebalancing an investment portfolio. Digitalization accompanies all areas of business, including activities on the stock exchange, where professional participants require functional, efficient software. The article discusses the issues of forming a portfolio of an private individual investor operating in the stock exchange through a professional participant - a management company and adhering to an investment strategy focused on long-term work with the assets of the investment portfolio (Asset Allocation). The main business processes to form, account and rebalance of the investment portfolio of the real management company was analyzed and formalized. That allowed us to formulate requirements for the functionality of the information system. Then the most important disadvantages of the market&amp;#39;s top accounting and valuation software products when working with an investment portfolio were considered. Using the &amp;quot;entity-relationship&amp;quot; modeling method was developed logical model of the subject area and information base is presented. The following software products were analyzed: Invest Planner, Izi-Invest, Blackterminal, Snowball, and Intelinvest, as well as the Google tables used. The identified shortcomings impose serious restrictions on the investment portfolio management. The most appropriate solution was chosen to develop own information system instead of implementing and further refining existing software products. A configuration was developed on the 1C: Enterprise platform for the formation, accounting and rebalancing of the investment portfolio. The test result of the developed program is presented in the article. The main advantages of the presented solution are that it allows you to eliminate the identified disadvantages of managing the investment process, increase business efficiency, and reduce the complexity of the process.</p></abstract><trans-abstract xml:lang="en"><p>The article presents an analysis of the business processes of forming, accounting and rebalancing an investment portfolio. Digitalization accompanies all areas of business, including activities on the stock exchange, where professional participants require functional, efficient software. The article discusses the issues of forming a portfolio of an private individual investor operating in the stock exchange through a professional participant - a management company and adhering to an investment strategy focused on long-term work with the assets of the investment portfolio (Asset Allocation). The main business processes to form, account and rebalance of the investment portfolio of the real management company was analyzed and formalized. That allowed us to formulate requirements for the functionality of the information system. Then the most important disadvantages of the market&amp;#39;s top accounting and valuation software products when working with an investment portfolio were considered. Using the &amp;quot;entity-relationship&amp;quot; modeling method was developed logical model of the subject area and information base is presented. The following software products were analyzed: Invest Planner, Izi-Invest, Blackterminal, Snowball, and Intelinvest, as well as the Google tables used. The identified shortcomings impose serious restrictions on the investment portfolio management. The most appropriate solution was chosen to develop own information system instead of implementing and further refining existing software products. A configuration was developed on the 1C: Enterprise platform for the formation, accounting and rebalancing of the investment portfolio. The test result of the developed program is presented in the article. The main advantages of the presented solution are that it allows you to eliminate the identified disadvantages of managing the investment process, increase business efficiency, and reduce the complexity of the process.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>investment portfolio</kwd><kwd>Asset Allocation strategy</kwd><kwd>configuration on the 1C: Enterprise platform</kwd></kwd-group><kwd-group xml:lang="en"><kwd>investment portfolio</kwd><kwd>Asset Allocation strategy</kwd><kwd>configuration on the 1C: Enterprise platform</kwd></kwd-group></article-meta></front><back><ref-list><title>Список литературы</title><ref id="B1"><mixed-citation>1.&amp;nbsp;The Civil Code of the Russian Federation (Part one) by 30.11.1994 № 51-ФЗ (ed. 08.08.2024) &amp;ndash; Access from the help.-legal system &amp;laquo;ConsultantPlus&amp;raquo;.</mixed-citation></ref><ref id="B2"><mixed-citation>2.&amp;nbsp;The Tax Code of the Russian Federation &amp;ndash; Part one, by 31.07.1998 N 146-ФЗ and second part by 05.08.2000 N 117-ФЗ. &amp;ndash; Access from the help.-legal system &amp;laquo;ConsultantPlus&amp;raquo;.</mixed-citation></ref><ref id="B3"><mixed-citation>3.&amp;nbsp;Standards of professional activity in the securities market. 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