Analysis of Stock Market Efficiency and the Impact of Insider Trading by Dr. Clemen Chiang
Analysis of Stock Market Efficiency and the Impact of Insider Trading by Dr. Clemen Chiang

Analysis of Stock Market Efficiency and the Impact of Insider Trading

Insider trading in monetary markets involves buying or selling securities based on exclusive information, leading to advantages for insiders and potential harm to buyers, while also decreasing market efficiency.

Dr. Clemen Chiang
Dr. Clemen Chiang

Know that Insider Trading in monetary markets refers to trading in securities like equity and bonds by company insiders who have access to exclusive information concerning establishing a particular security before such information is discharged to the general public. Of course, insiders gain advantages from buying or selling shares before they fluctuate in value. It is interesting to know that Insider trading has been a gift throughout the history of trading markets.

Effect of Insider Trading on Market Efficiency Bügel & Runge Jørgensen (2019) provides much relevant evidence on insiders and outsiders that are able to make abnormal returns on the Swedish market. The research indicated that outsiders have the ability to make abnormal returns by mimicking insider investment patterns, and therefore, they are able to access public information, but it rejects a semi-strong form of market efficiency. However, it is highly argued that when market actors tend to sell overvalued stocks, these are considered lemons, as illustrated in the theory of Akerlof. It is assumed that when insiders are informationally advantaged, then they have greater chances to act on the information. Thus, its consequence is measured in terms of inaccurate signals to the market. Thus, there are more chances that the stocks will decrease in value in the future. In this case, it is also likely for the insiders to sell lemons to the outsiders on a continuous basis in order to make profits from being informationally advantaged (de Almeida Dourado & Tabak, 2014).

Hence, one of the effects of insider trading on market efficiency is visualized as significant because it can be risky for buyers, whereas bad dealings can have a bad impression of the market as well. In relation to the theory, there can be different patterns created by such situations in which a noticeable decrease in the market's efficiency is evident. Fishman and Hagerty's model further explains that insiders play a vital role in determining the efficiency of the market with respect to the extent of the information and traders' decision. It is argued that when there is a high amount of insiders in the market, most of the market actors are reluctant to trade with these actors due to informational advantage being assumed. In this way, the model is highly applicable to the research due to a number of reasons. The assumptions in the model are mainly considered true because it relates to the fact that insider trading often increases, which decreases market efficiency as a result (Bügel & Runge Jørgensen, 2019). There is another effect determined from practical knowledge; thus, it is referred to as the signaling effect. Research Journal of Finance and Accounting www.iiste.orgISSN 2222-1697 (Paper) ISSN 2222-2847 (Online) Vol.11, No.24, 2020 17 which is related to addressing influence on the company and individuals actions that have on the market. It is explored in the study by Ek & Erlinder (2015) that company tends to send signals to the market, mainly by sending new shares or even by increasing the paid-out dividends. Similarly, entrepreneurs also send signals to the market which is related to the quality or value of the company. Hence, the signaling effect is estimated in terms of insiders to investors acting on the market.

The Impact on the Market

You need to remember that defenders of market guidelines bring up issues that can emerge when insiders are left to their own gadgets. And the fact is that the greatest trouble made by insider exchanging is an absence of confidence in the trade markets where these illicit exchanges occur.

Significantly, traded on an open market, organizations depend on huge quantities of individuals to buy portions of their stock. And the cash contributed by investors is utilized for item great work, capital enhancements, and abroad extension.

Need to know that when illegal insider trading encompasses several companies, as the scandal surrounding Enron, its auditors, and the entire system of accounting checks and balances did, the broken trust can be far-reaching. Greatly, it took direct Congressional involvement, in the form of the Sarbanes-Oxley Act of 2002, to restore public confidence. The act, which holds officers directly accountable for any errors, omissions, or dishonesty in corporate reporting, is widely believed to have helped public confidence in the markets following the Enron scandal. Between July 31, 2002, and July 31, 2007, the New York Stock Exchange grew 67 percent, about $4.2 trillion.

Normal people who are also potential financial backers will steer clear of business sectors overall if it is popularly believed that entire business sectors are contaminated by insider trading. Before the European Economic Community required its member states to implement steps to combat illegal insider trading in the 1990s, Europeans frequently believed that insider trading was rampant throughout their corporate sectors. Accordingly, after the spread of the adversary of insider trading techniques, Europe's corporate sectors observed an increase in value and trading activity.

Insider trading is seen as having a negative impact on both the corporate sectors and small financial backers. Illegal insider trading ensures that there will be no reasonable play, interest, or supply of stocks, all of which are detrimental to the operation of a stable capital market. Insider trading undermines investors' faith in the capital-raising process, and unchecked insider trading may discourage people from making capital contributions, which could be detrimental to the overall health of the economy.

Since it's frequently difficult to determine how many investors were aware of the insider trading information, many people may become significantly less willing to deal with a particular company after it's been linked to this type of incident.

Spiking Race to 100

We are extremely excited to announce we have a new product called Race to 100. You can track the best investors who have made more than 100% profit in a year and replicate their portfolios in just a few clicks. Be the first to learn these top investors' new trades and trade alongside the shoulders of the giants. Try Race to hundred now at!

Join the Spiking Wealth Community

Want to learn more about the various trading strategies and see which one suits you the best? Led by Dr. Clemen Chiang, the Spiking Wealth Community is an online community network. Together we are catching the Spikes so that you have faith, hope, and love in everything you do. Spiking Wealth Community helps you to accomplish time squeeze by connecting the dots through online courses, live trading, winning trades, and more. Join us for Free and start your Spiking Wealth Journey today!

*Disclaimer: The article should not be taken as, and is not intended to provide investment advice. Claims made in this article do not constitute investment advice and should not be taken as such. Spiking strongly recommends that you perform your own independent research before making financial decisions