Fig. 4: The movement of the close price and the returns for FTSE100 and S&P500.
From: Impact of COVID-19 on jump occurrence in capital markets
The dynamics of the daily closing prices (upper) and the daily returns (bottom) of indexes from 2018 to 2023. Specifically, the FTSE100 of UK and SP500 of USA are positioned on the left and right sides, respectively. The background area shaded in sky blue distinguishes the situation during the COVID period from the pre-COVID and post-COVID periods. Notably, a significant plunge in the index can be observed at the beginning of 2020.
