Sökning: "stock market twitter"

Visar resultat 1 - 5 av 30 uppsatser innehållade orden stock market twitter.

  1. 1. Processing, Modeling, and Forecasting: A Time Series Analysis of Sick Leave Absences in Sweden and Evaluating the Impact of Macro Factors

    Master-uppsats, Lunds universitet/Matematisk statistik

    Författare :Marcus Lindell; Casper Schwerin; [2023]
    Nyckelord :AI; Machine Learning; Time series analysis; Modeling; Sick absence; Forecasting; Macro factors; Stochastic processes; Mathematics and Statistics; Technology and Engineering;

    Sammanfattning : Sick absence affects companies both operationally and economically and the matter has become increasingly prominent following the COVID-19 pandemic. MedHelp Care is an e-health company working towards increasing workplace wellness by offering insights into absence and rehabilitation matters. LÄS MER

  3. 2. Stock Price Prediction with Social Media Sentiment

    Kandidat-uppsats, Göteborgs universitet/Företagsekonomiska institutionen

    Författare :Marco Cuskic; Christian Nilsson; Marcus Remgård; [2022-07-06]
    Nyckelord :Sentiment analysis; Machine learning; Financial time series; Stock price; Long Short-Term Memory;

    Sammanfattning : This thesis investigates the correlation effects between social media sentiments and the stock price of AMZN and TSLA, by utilizing pre-trained machine learning models, so-called transformers, and lexicon-based models. The comments were fetched from two sources, Reddit and Twitter. LÄS MER

  4. 3. Evaluating the efficiency of Host-based Intrusion Detection Systems protecting web applications

    M1-uppsats, Blekinge Tekniska Högskola/Institutionen för datavetenskap

    Författare :Adam Willerton; Rasmus Gustafsson; [2022]
    Nyckelord :Intrusion Detection System; IDS; Host-based Intrusion Detection System; HIDS; Web applications; Efficiency;

    Sammanfattning : Background. Web applications are a more significant part of our digital experience, and the number of users keeps continuously growing. Social media alone accounts for more than half of the world’s population. Therefore these applications have become a lucrative target for attackers, and we have seen several attacks against them. LÄS MER

  5. 4. Instagram Content Publishing and Its Effect on Stock Prices for Swedish Firms : A multiple case study on the economic effect of social media publishing for firms

    Uppsats för yrkesexamina på avancerad nivå, Blekinge Tekniska Högskola/Institutionen för industriell ekonomi

    Författare :Edwin Carlsson; Niklas Ek; [2022]
    Nyckelord :stock prices; social media; synthetic control group; Instagram; aktie-pris; social media; syntetisk kontrollgrupp; Instagram;

    Sammanfattning : Background. Instagram as a social media platform is used by firms as both a com- munication, marketing and promotion tool. In analyses of firms on Twitter, several authors have found connections between positive changes in stock returns and posts on Twitter regarding the firm, both from and about the firm. LÄS MER

  7. 5. The buzz behind the stock market : Analysis and characterization of the social media activity around the time of big stock valuation changes

    Kandidat-uppsats, Linköpings universitet/Institutionen för datavetenskap

    Författare :David Envall; Paul Blåberg Kristoffersson; [2022]
    Nyckelord :;

    Sammanfattning : As the discussion of stocks on social media is increasing its effect on the financial market is distinct. This has led to new opportunities in influencing private investors to make uninformed decisions affecting the value of stocks. LÄS MER