Open Markets

Authors: Donghan Kim

arXiv: 1912.13110v1 - DOI (q-fin.MF)
47 pages

Results of the summarizing process for the arXiv paper: 1912.13110v1

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In finance, an open market is a subset of the entire equity market that consists of a fixed number of top capitalization stocks. The constituents of the open market change over time as each company's rank by its market capitalization fluctuates. When one is allowed to invest in both the open market and the money market, the open market resembles the entire 'closed' equity market in terms of its viability and portfolio performance. However, when access to the money market is prohibited, some topics such as Capital Asset Pricing Model (CAPM), construction of functionally generated portfolios, and the concept of the universal portfolio are presented in the open market setting. Donghan Kim's paper "Open Markets" expands on this concept by exploring how investors can optimize their investment strategies within an open market framework. The paper delves into various topics such as portfolio optimization, risk management, asset pricing models and other relevant factors that are important for investors operating within an open market environment. It also discusses how investors can use information about individual companies' financial performance to make informed investment decisions. Overall, Kim's work provides valuable insights into how investors can navigate an open market setting while still achieving optimal returns on their investments. By understanding how different factors affect stock prices and using sophisticated analytical tools to analyze data, investors can make more informed decisions about which stocks to buy or sell within an open market framework.
AI-generated keywords: Open Market Equity Market CAPM Portfolio Optimization Risk Management

AI-generated Key Points

  • An open market in finance is a subset of the entire equity market consisting of top capitalization stocks.
  • Constituents of the open market change over time based on each company's rank by its market capitalization.
  • Access to both the open market and money market yields similar viability and portfolio performance as the closed equity market.
  • When access to the money market is prohibited, topics such as CAPM, functionally generated portfolios, and universal portfolio are presented in an open market setting.
  • Donghan Kim's paper "Open Markets" explores how investors can optimize their investment strategies within an open market framework.
  • The paper covers topics such as portfolio optimization, risk management, asset pricing models, and other relevant factors for investors operating within an open market environment.
  • Investors can use information about individual companies' financial performance to make informed investment decisions within an open market setting.
  • By understanding how different factors affect stock prices and using sophisticated analytical tools to analyze data, investors can make more informed decisions about which stocks to buy or sell within an open market framework.
Also access our AI generated: Comprehensive summary, Lay summary, Blog-like article; or ask questions about this paper to our AI assistant.

Abstract: An open market is a subset of an entire equity market composed of a certain fixed number of top capitalization stocks. Though the number of stocks in the open market is fixed, the constituents of the market change over time as each company's rank by its market capitalization fluctuates. When one is allowed to invest also in the money market, the open market resembles the entire 'closed' equity market in the sense that the equivalence of market viability (lack of arbitrage) and the existence of numeraire portfolio (portfolio which cannot be outperformed) holds. When access to the money market is prohibited, some topics such as Capital Asset Pricing Model (CAPM), construction of functionally generated portfolios, and the concept of the universal portfolio are presented in the open market setting.

Submitted to arXiv on 30 Dec. 2019

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