{"title":"Trading options and CDS on stocks under the short sale ban","authors":"Sophie Xiaoyan Ni , Jun Pan","doi":"10.1016/j.jbankfin.2024.107243","DOIUrl":null,"url":null,"abstract":"<div><p>We analyze price discovery in the options and CDS markets during the 2008 short-sale ban. Among the banned stocks, those with high open-purchased put–call ratios, low synthetic-to-stock price ratios, or high CDS rates exhibit poor performance in the following days. Additionally, options prices are more efficient for unbanned stocks during the ban period. These findings suggest that informed investors engage in derivative trading during highly distressed market conditions and that derivative prices contain more information about stock prices during the ban.</p></div>","PeriodicalId":48460,"journal":{"name":"Journal of Banking & Finance","volume":"167 ","pages":"Article 107243"},"PeriodicalIF":3.6000,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Banking & Finance","FirstCategoryId":"96","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0378426624001572","RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"BUSINESS, FINANCE","Score":null,"Total":0}
引用次数: 0
Abstract
We analyze price discovery in the options and CDS markets during the 2008 short-sale ban. Among the banned stocks, those with high open-purchased put–call ratios, low synthetic-to-stock price ratios, or high CDS rates exhibit poor performance in the following days. Additionally, options prices are more efficient for unbanned stocks during the ban period. These findings suggest that informed investors engage in derivative trading during highly distressed market conditions and that derivative prices contain more information about stock prices during the ban.
期刊介绍：
The Journal of Banking and Finance (JBF) publishes theoretical and empirical research papers spanning all the major research fields in finance and banking. The aim of the Journal of Banking and Finance is to provide an outlet for the increasing flow of scholarly research concerning financial institutions and the money and capital markets within which they function. The Journal''s emphasis is on theoretical developments and their implementation, empirical, applied, and policy-oriented research in banking and other domestic and international financial institutions and markets. The Journal''s purpose is to improve communications between, and within, the academic and other research communities and policymakers and operational decision makers at financial institutions - private and public, national and international, and their regulators. The Journal is one of the largest Finance journals, with approximately 1500 new submissions per year, mainly in the following areas: Asset Management; Asset Pricing; Banking (Efficiency, Regulation, Risk Management, Solvency); Behavioural Finance; Capital Structure; Corporate Finance; Corporate Governance; Derivative Pricing and Hedging; Distribution Forecasting with Financial Applications; Entrepreneurial Finance; Empirical Finance; Financial Economics; Financial Markets (Alternative, Bonds, Currency, Commodity, Derivatives, Equity, Energy, Real Estate); FinTech; Fund Management; General Equilibrium Models; High-Frequency Trading; Intermediation; International Finance; Hedge Funds; Investments; Liquidity; Market Efficiency; Market Microstructure; Mergers and Acquisitions; Networks; Performance Analysis; Political Risk; Portfolio Optimization; Regulation of Financial Markets and Institutions; Risk Management and Analysis; Systemic Risk; Term Structure Models; Venture Capital.
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