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How does the Signalling effect of insider transactions differ on the Swedish stock market? : - An analysis of insider transactions on the Nasdaq OMX Stockholm, comparing selling versus buying effects in the Tech and Industrial sectors.

Background: In financial markets, decisions to buy or sell securities are highly influenced by the aim of making a profit and avoiding losses. The signals that insider transactions send to external investors can significantly impact those decisions. The signals can differ depending on the type of transaction, within which sector, and the company's size. Purpose: The purpose of this thesis is to investigate whether insider transactions employ a more potent influence when buying or selling stocks. A partial purpose is distinguishing between small- and mid-cap stocks and between the technology and industrial sectors on the Nasdaq Stockholm Stock Exchange. Methodology: A quantitative approach was utilised with the event Study model. Hypotheses were constructed, and statistical tests in STATA were conducted to determine if the results were significant. The insider trading that was analysed took place between 2018-2023. Thirty-one companies are in the industrial sector, and twenty-eight are in the technology sector, with 3601 insider transactions employed. Conclusion: The results showed the existence of signalling effects and the possibility of achieving abnormal returns, especially if shorting when insiders are selling, particularly technology stocks, with the most prominent returns from mid-cap firms. However, the results contradict most previous research proposing that purchase transactions yield higher abnormal returns and have a more substantial signalling effect.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:hj-64708
Date January 2024
CreatorsSandberg, Filip, Sandelin, Filip
PublisherJönköping University, Internationella Handelshögskolan
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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