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The possible beginning of an end : A study of the Post Earnings Announcement Drift on the Swedish stock marketHedberg, Peter, Lindmark, Annie January 2013 (has links)
Post earnings announcement drift (PEAD) is defined as the drift that occurs in a company’s share priceafter their earnings announcement. A company that reports earnings above (below) the analysts’expectations should, according to previous studies of PEAD, continue to drift upwards (downwards)after the announcement. (Ball & Brown, 1968) The thesis purpose is to investigate if PEAD existed onthe Swedish market between 2006-2010. We test PEAD’s existences through; (i) creating portfolios inwhich companies’ abnormal return (AR) we expect to decline or increase, (ii) doing a multiple regressionanalysis to test if the drift is statistically significant. From the results of our study, we can neither acceptnor reject the hypothesis that PEAD existed on the Swedish market, although the multiple regressionanalysis prove a statistically significant result for companies’ AR that we expect to decline have drifted3,11% in a negative direction compared to our total sample.
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IPO Underpricing and R&D Activity : Evidence from the Swedish MarketArktedius, Andreas, Preiman, Viktor January 2021 (has links)
Historical research on initial public offerings (IPOs) presents strong evidence of underpricing. This study investigates if there is a relationship between underpricing of IPOs and pre-IPO research and development (R&D) activities within a company. According to the literature, R&D activities have characteristics of information asymmetry and uncertainty, which can increase underpricing. This study’s sample consists of 231 Swedish companies listed on Nasdaq Stockholm and Nasdaq First North between January 2010 and December 2020. Sweden has a strong association with innovation activities such as R&D, and the country’s IPO market has snowballed in recent years, making it a suitable context for the study. To investigate the relationship between underpricing and R&D activities, the study uses an OLS regression. The findings indicate that R&D positively affects underpricing, which is in line with previous studies on other markets. In addition, the study finds evidence of Firm Size, Offer Size, Shares Offered, VCPE backed, and Firm Leverage related to underpricing.
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Asset Pricing in Different Periods of Stock Market Volatility : The Varied Effectiveness of Carhart's Four-Factor Model in the Swedish MarketMunkhammar, Robin, Hampus, Svensson January 2023 (has links)
Investing in the Swedish stock market has over time proven to be an effective way to increase wealth. Nationally speaking, Sweden’s population is also one of the best in the world at investing their savings. Four out of five swedes invest at least some part of their private savings into mutual funds which approximately amounts to 8.4 million people. Consequently, in 2022, the aggregated amount of household wealth invested into fund shares and stocks was a staggering 3.1 trillion Swedish crowns. With such a huge interest in the stock market it is important to understand how risk-adjusted returns should be evaluated. Traditionally there has been a choice between active and passive investment strategies, depending on how the investor views the market's pricing of securities. This study investigates, using the Carhart four-factor model, how asset pricing varies over time depending on different levels of market volatility. The theories that have been used for this study are mainly the efficient market hypothesis and the adaptive market hypothesis. With these as a starting point, various asset pricing models have been tested (Carhart four-factor model & CAPM) and examined with statistical tests to produce reliable results. The results of this study can be used to draw conclusions that both theoretically and practically contribute to the expanding body of knowledge regarding factor models and Smart Beta investment strategies, specifically in the Swedish stock market. The study suggests that the Carhart four-factor is a reliable method to determine risk-adjusted returns in the Swedish stock market, mainly when it’s used during normal market conditions. It also appears that, based on the study’s observation of alpha, the dynamics of asset pricing in the Swedish stock market are more in line with the adaptive market theory rather than the efficient market theory. This insight can be used as an argument for how the Swedish stock market can be assumed to behave. In turn, this can give investors more understanding for which risk factors are considered significant during different times of market volatility, and how their risk premiums should be discounted when valuing securities. By emphasizing the importance of various risks being priced in different ways during different times of market volatility it is possible to manage the risk exposure of security portfolios in a more accurate and desirable way. Finally, it can be stated that the results are both on par with previous research that advocates and opposes factor models. The study found the effectiveness of the Carhart four-factor model in explaining the risk-adjusted returns to vary over time and that it cannot be assumed with statistical certainty to improve upon the CAPM in all market climates.
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Piotroski leder vägen : En kvantitativ studie baserad på fundamental analys / Piotroski leads the way : A quantitative study based on fundamental analysisSundén, Lina January 2017 (has links)
Syftet med studien är att undersöka huruvida det är möjligt att generera högre avkastning genom fundamental analys med fokus på värdeinvestering och Joseph Piotroskis modell (2000) Fundamental Signal Score (F-SCORE). Modellen testas på den svenska aktiemarknaden under perioden 2007-2015. Genom att skapa 27 fiktiva portföljer, beräkna årlig avkastning och jämföra dem mot marknadsindexet SIXRX utvärderas modellens möjligheter att skapa marknadsjusterad avkastning på den svenska aktiemarknaden. Vidare undersöks modellens statistiska samband med avkastning samt kvoten mellan bokfört värde och marknadsvärde (B/M). Studien visar att H_F-portföljen bestående av företag med höga F-SCORES (7-9) gav upphov till bättre marknadsjusterad avkastning än både HBM-portföljen, bestående av företag med höga B/M-tal samt L_F-portföljen med F-SCORES mellan 0-3. Resultatet indikerar att det är möjligt att hitta undervärderade tillgångar och slå marknaden fem av nio gånger genom tillämpning av F-SCORE på den svenska aktiemarknaden. Detta innebär att den effektiva marknadshypotesen (EMH) inte är lika effektiv som teorin antyder. / The aim of this paper is to examine whether it is possible to generate higher returns through the use of fundamental analysis with focus on value investing and Joseph Piotroski’s (2000) model called Fundamental Signal Score (F-SCORE). The model is tested on the Swedish Stock Market during the period 2007-2015. By forming 27 fictive portfolios, calculating yearly returns and comparing them to the SIXRX benchmark, the model’s possibility to generate market-adjusted returns on the Swedish Stock Market is evaluated. Furthermore, the model’s correlation with the returns and book-to-market ratio (B/M) are tested statistically. The study shows that the H_F-portfolio consisting of companies with high F-SCORES (7-9) gave rise to better market-adjusted returns than both the HBM-portfolio, consisting of companies with high book-to-market ratios, and the L_F-portfolio with F-SCORES between 0-3. The results indicate that it is possible to find undervalued assets and beat the market five out of nine times by using the F-SCORE on the Swedish Stock Market. Therefore, the efficient market hypothesis (EMH) is not as efficient as the theory applies.
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Investing Like an Insider : An Event Study Exploring the Possibilities of Positive Return for Outside Investors Following an Insider's BehaviorCarnland, Anders January 2019 (has links)
This study aims to investigate if an outside investor can gain positive return from investing in company stocks on the Swedish stock market following published announcements of insider stock purchases done through the Swedish financial regulatory authority Finansinspektionen’s public insider transaction registry. Studying a total of 5 966 announced stock purchases during the period 2014 – 2018, the study finds significant positive abnormal return over all studied time periods following the announcement date, regardless of differences in company size. Highest return was found in smaller companies, at the cost of accepting a higher degree of risk. Despite significant results showing informational value of the announced purchases, economic gain from following insider behavior could be inhibited by the cost of investment and would require the outside investor to pick the right stock, which could prove difficult.
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Magic Formula has its magic and Momentum has its moments. : -A study on magic formula and momentum on the Swedish stock market. / Magic Formula har sin magi och Momentum har sina ögonblick. : -En studie om magic formula och momentum på den svenska aktiemarknaden.Sjöbeck, Erik, Verngren, Joel January 2019 (has links)
The study examines how the investment strategy Magic Formula (Greenblatt, 2006) has performed on the Swedish stock market. It is also investigated how the performance is affected when the strategy is combined with momentum. Since the expected pension for future generations is expected to decline it is important to have private savings with as high return as possible. Therefore, it is relevant to investigate if simple investment strategies can be used to achieve higher return. The purpose with this study is to find out if the investment strategies Magic Formula and Magic Formula combined with momentum has had a higher risk-adjusted return than the benchmark index OMX30. The results show that both Magic Formula and Magic Formula combined with momentum yielded a higher risk-adjusted return than the benchmark index. The results also showed that Magic Formula yielded an even better risk-adjusted return when it was combined with momentum. We wish that the result that was found in this study will give inspiration to private investors in order to achieve a higher return in their savings and a more satisfactory pension in the future
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Aktieportföljer hos höginkomsttagare : En kvantitativ studie om investeringsbeteende hos höginkomsttagare på svenska aktiemarknaden / Stock portfolios of high income earners : A quantitative study of investment behavior among high income earners in the Swedish stock marketBoughrira, Imen, Kazemi, Zohal January 2018 (has links)
Inom aktiemarknaden finns det en mängd olika teorier som förklarar investeringsbeteendet hos individer. Grunden för beslutsfattande är inte alltid uppenbart. Beslutens påverkan på avkastningen är dock uppenbart och viktigt för investerare. Studier från den kinesiska aktiemarknaden påvisar att investerare med högst portföljvärde gynnas av aktiehandel på grund av informativa fördelar som investerarna besitter. Denna studie syftar därav till att studera investeringsbeteenden hos de högsta inkomsttagarna på svenska aktiemarknaden. Investerare med högst inkomst benämns som superinvesterare och befinner sig på och över den 99:e percentilen i populationen. Urvalsgruppen superinvesterare uppgår till, i genomsnitt, 20 413 individer. Datamaterialet för studien omfattar år 2014–2016 och kommer från Visby Research In Stock Ownership på Uppsala Universitet, Campus Gotland. De studerade variablerna består av inkomst, portföljvärde, antal aktier som innehas och Herfindahl-Hirschman index. På grund av restriktioner för behandling av data med känsliga personuppgifter presenteras data i genomsnittliga siffror för perioden, och delas även in i olika åldersgrupper. Studien tillämpar univariat analys och multivariat regressionsanalys där den statistiska signifikansen undersöks. Herfindahl-Hirschman index används som ett mått för att mäta koncentrationen (diversifieringen) i portföljen. Studien utgår från teorier inom området behavioral finance, risk inom finansiell teori och portföljteorin. De utvalda teorierna inom området behavioral finance studerar investeringsbeteendet i förhållande till genusperspektiv, inkomstnivå och risktolerans samt investeringsbeteendet hos höginkomsttagare. Samtliga teorier valdes för att frambringa olika perspektiv inom området men även för att ge en grundläggande uppfattning och ökad förståelse för hur investerare agerar på aktiemarknaden. Studiens resultat visar att investerare på och över den 99:e percentilen, det vill säga superinvesterare, äger koncentrerade portföljer med höga portföljvärden. Det kan innebära att superinvesterare besitter informativa fördelar med tanke på att de i genomsnitt äger ett aktieinnehav. Resultatet visar även att portföljvärdet ökar i takt med åldern vilket stämmer i enlighet med teorier som förklarar de bakomliggande faktorerna till det ökade portföljvärdet. Utifrån genusperspektiv pekar resultatet på att män har högre värden än kvinnor i de studerade variablerna. Det är emellertid viktigt att ha i åtanke att andelen män är fler än kvinnor i den studerade percentilgruppen. / In this thesis, we will examine the investment behavior of the ’highest income earners’, also known as ’superinvestors.’ The highest income earners are defined as those that are at or above the 99th percentile in the Swedish stock market. Previous studies have provided evidence to suggest that investors with the highest portfolio value, benefit greatly from stock trading due to the associated informative benefits. We will critically analyse how investors in the Swedish stock market choose to allocate their shares in proportion to their portfolio value and income. The assigned hypotheses are designed to enable us to investigate and answer important questions in the area. The group of our selection of superinvestors amounts to an average of 20,413 individuals. The data retrieved from the study is from Visby Research In Stock Ownership at Uppsala University, Campus Gotland which covers the period between 2014 and 2016. The studied variables are income; portfolio value; number of shares held and the Herfindahl-Hirschman Index. The analysis is based on average figures due to restrictions on processing data with sensitive personal information. From our results, it is suggested that investment behaviour differs according to the individuals’ sex and age dispositions. On an average, women tend to invest more carefully and own less share capital than men. Women also earn, on average, significantly less income than men. In relation to age, younger individuals also owned less investment portfolios than their older counterparts. Superinvestors were also found to own concentrated portfolios of high value. In evidential reliance, there are several theories that provide explanations for such common patterns of investment behaviour.
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Luck or skills for short sellersNagy, Jonathan, Gustavsson, Oscar January 2022 (has links)
This study has examined the ten most shorted shares belonging to the Swedish Stockholm Stock Exchange's Large Cap list, by following randomly selected financial institutions that have chosen to take short positions. The purpose of the study is to investigate whether it is possible for short sellers to generate an excess return compared to the index OMXS30GI. The theory is mostly about short selling in general, efficient market hypothesis, behavioral finance, opponents of short selling, technical analysis of an index and the theory also includes previous research regarding short selling. The method used is based on collected secondary data from different databases. Via the secondary data, we have artificially followed randomly selected financial institutions that have glossed over and done the same as them to see if it can generate an excess return. In this study we will not take the cost associated with short selling into account which normally would be costs as margin interest, stock borrowing costs and commissions to brokers. The results show that it is possible for short sellers to generate an excess return that outperforms index OMXS30GI. We can also conclude that short sellers follow a pattern that indicates that they do not act in a way to destroy market efficiency and we can question whether the market is efficient or not.
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The impact of macroeconomic variables on the Swedish stock market / Makroekonomiska variablers påverkan på den svenska aktiemarknaden.Johansson, John, Rudberg, Anton January 2021 (has links)
The main objective of this thesis is to find information of how, or if, the selected macroeconomic variables consumer price index, interest rate, exchange rate, industrial production, oil price and money supply have affected the Swedish stock market (OMXafgx) during the time-period 1973-2017. Findings in this research proves that all variables are co-integrated with the Swedish stock market, but only one of the variables selected, industrial production, have a short- and a longrun relationship affecting the Swedish stock market. A negative long run relation is also identified for money supply. / Huvudsyftet med denna uppsats är att finna information om hur, eller om, de utvalda makroekonomiska variablerna konsumentpris index, ränta, växelkurs, industriproduktion, oljepris och penningmängd har någon påverkan på den svenska aktiemarknaden (OMXafgx) från 2973-2017. Resultaten från denna undersökning visar att alla variablerna är samintegrerade med den svenska aktiemarknaden. Dock är det endast industriproduktion som har en kort- och långsiktig relation som påverkar den svenska aktiemarknaden. En negativ långsiktig relation identifieras även för penningmängd.
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From Hype to Longevity: Evaluating the Endurance of Swedish IPOs : A quantitative approach to measure the long-term performance of IPOsCarlsson, Vilhelm, Persson, Alva, Kahlman, Flora January 2023 (has links)
The prospect of earning extraordinary returns drives the allure of investing in new companies through IPOs. However, this approach may be flawed due to market conditions, information asymmetry, and behavioral biases. Past research supports evidence of the long-term underperformance of IPOs compared to the market index. Despite the substantial research on IPO performance, limited studies have focused on the long-term performance of IPOs in Sweden and among industries, particularly from 2010 to 2019. The study aims to address the existing knowledge gap and provide investors with insights into the long-term performance of Swedish IPOs and their associated industries. By analyzing IPOs, the study enhances the risk-reward understanding, informs retail investment decisions, and promotes stock market transparency in Sweden. The research employed a quantitative method with a deductive approach. Stock prices 12 and 36 months after the IPO date and prospect prices were collected as the data set. The data were analyzed using statistical applications to assess the significance of the research findings, employing a One-Sample T-test and Kruskal-Wallis H-test. The findings indicate that the IPOs in our sample underperformed the selected index, OMXSGI, with an average underperformance of 7.84% for 12 months and 12.32% for 36 months. The results are in line with previous research of similar markets as Sweden. Additionally, performance varied among industries, with the technology sector performing the best and consumer staples performing the worst.
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