Large-scale sports events, sports gambling market and promotion risk management: Theoretical model and case analysis based on option hedging theory

• Qi-an Chen,

  Roles Conceptualization, Funding acquisition, Writing – original draft

  Affiliation School of Economics and Business Administration, Chongqing University, Chongqing City, Sichuan Province, China

  ⨯
• Xu Zhao ,

  Roles Conceptualization, Writing – original draft

  * E-mail: zhaoxunl@163.com

  Affiliation Surrey International Institute, Dongbei University of Finance and Economics School, Jianshan Street, Shahekou District, Dalian City, Liaoning Province, China

  https://orcid.org/0000-0001-8303-1686

  ⨯
• Guohong Zhang

  Roles Investigation, Resources

  Affiliation School of Economics and Business Administration, Chongqing University, Chongqing City, Sichuan Province, China

  ⨯