Abstract
The aim is to enhance Bitcoin price forecasts by leveraging graphical models and vine copulas. By integrating daily Bitcoin prices with Google\r\nTrends data, Twitter activity, and sentiment analysis using Bing and Afinn lexicons, the complex relationships within Bitcoin trends are captured.\r\nOne hundred fourteen (114) daily observations from February to May 2021 are utilized. Mixed graphical models (MGM) and vector autoregressive (VAR) models forecast Bitcoin prices, while ARIMA-GARCH and gamlss models extract residuals for vine copula implementation. Vine\r\nmodels predict Bitcoin prices using a rolling window method. Comparing forecasts with observed data highlights model accuracy, providing a\r\ncomprehensive view of Bitcoin market dynamics and public sentiment.
| Original language | English |
|---|---|
| Title of host publication | PROGRAMME AND ABSTRACTS, CFE-CMStatistics 2024, 18th International Conference on Computational and Financial Econometrics (CFE 2024) and Computational and Methodological Statistics (CMStatistics 2024) |
| Publisher | ECOSTA ECONOMETRICS AND STATISTICS |
| Pages | 144-144 |
| Number of pages | 1 |
| ISBN (Print) | 978-9925-7812-8-7 |
| Publication status | Published - 2024 |
Keywords
- graphical model
- sentiment analysis
- vine copula
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