期刊
FINANCE RESEARCH LETTERS
卷 48, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.frl.2022.102995
关键词
Ruble; Exchange rates; Attention; Volatility models; Implied volatility
资金
- Czech Science Foundation (GACR) [22-27075S]
This study models the intraday price fluctuations of USD/RUB and EUR/RUB exchange rates using high-frequency data and proxies investor's attention and expectations using google searches and implied volatility. The results show that both approaches are useful in predicting intraday price fluctuations of the exchange rates, with implied volatility encompassing intraday attention.
The onset of the Russo-Ukrainian crisis has led to the rapid depreciation of the Russian ruble. In this study, we model intraday price fluctuations of the USD/RUB and the EUR/RUB exchange rates from the 1st of December 2021 to the 7th of March 2022. Our approach is novel in that instead of using daily (low-frequency) measures of attention and investor's expectations, we use intraday (high-frequency) data: google searches and implied volatility to proxy investor's attention and expectations. We show that both approaches are useful in predicting intraday price fluctuations of the two exchange rates, although implied volatility encompasses intraday attention.
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