4.7 Article

How COVID-19 induced panic on stock price and green finance markets: global economic recovery nexus from volatility dynamics

期刊

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 29, 期 18, 页码 26322-26335

出版社

SPRINGER HEIDELBERG
DOI: 10.1007/s11356-021-17774-y

关键词

COVID-19; Market lockdown; Government relief; Green finance; Stock price; Responsible Editor: Nicholas Apergis

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The paper explores the impact of essential COVID-19 data on stock price dynamics and options markets from 2020 to 2021, finding that sentiment indexes may change jump volatility and various indexes are correlated with market volatility.
This paper investigates the effect of different categories of essential COVID-19 data from 2020 to 2021 towards stock price dynamics and options markets. It applied the hypothetical method in which investors develop depression based on the understanding suggested by various green finance divisions. Furthermore, additional elements like panic, sentiment, and social networking sites may impact the attitude, size, and direction of green finance, subsequently impacting the security prices. We created new emotion proxies based on five groups of information, namely COVID-19, marketplace, lockdown, banking sector, and government relief using Google search data. The results show that (1) if the proportional number of traders' conduct exceeds the stock market, the effect of sentimentality indexes on jump volatility is expected to change; (2) the volatility index component jump radically increases with the COVID-19 index, city and market lockdown index, and banking index; and (3) expanding the COVID-19 index gives rise to the stock market index. Moreover, all indexes decreased in jump volatility but only after 5 days. These findings comply with the hypotheses proposed by our model.

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