Skip to main content

Research Repository

Advanced Search

All Outputs (2)

Forecasting high-frequency excess stock returns via data analytics and machine learning (2021)
Journal Article
Akyildirim, E., Nguyen, D. K., Sensoy, A., & Šikić, M. (2023). Forecasting high-frequency excess stock returns via data analytics and machine learning. European Financial Management, 29(1), 22-75. https://doi.org/10.1111/eufm.12345

Borsa Istanbul introduced data analytics to present additional information about its market conditions. We examine whether this product can be utilized via various machine learning methods to predict intraday excess returns. Accordingly, these analyt... Read More about Forecasting high-frequency excess stock returns via data analytics and machine learning.

Do investor sentiments drive cryptocurrency prices? (2021)
Journal Article
Akyildirim, E., Aysan, A. F., Cepni, O., & Ceyhan Darendeli, S. P. (2021). Do investor sentiments drive cryptocurrency prices?. Economics Letters, 206, Article 109980. https://doi.org/10.1016/j.econlet.2021.109980

This paper studies the dynamic network connectedness between cryptocurrency returns and sentiments using the novel cryptocurrency-specific MarketPsych sentiment data for 13 cryptocur-rencies with the highest market capitalization. The results indicat... Read More about Do investor sentiments drive cryptocurrency prices?.