Correction to: Statistical Methods & Applications https://doi.org/10.1007/s10260-023-00690-5

In the published version of the paper, two figures have been uploaded from a previous version. In view of that, the captions of Figs. 3, 4, 5 and 6 are correct, but the reported figures do not correspond to the captions.

We report below Figs. 3, 4, 5 and 6 as they would have appeared in the correct version of the paper.

Fig. 3
figure 3

Boxplots showing positive and negative sentiment in Period A (October 1, 2019–20 February 2020) and Period B (21 February–31 May 2020)

Fig. 4
figure 4

Boxplots showing positive and negative emotions in Period A (October 1, 2019–20 February 2020) and Period B (21 February–31 May 2020)

Fig. 5
figure 5

Temporal evolution of the positive (on the left: anticipation, joy, surprise, and trust) and negative (on the right: anger, disgust, fear, and sadness) emotions from October 1 to May 31

Fig. 6
figure 6

a BIC and Residual Sum of Squares using the FTSE-MIB index values; b Breakpoints in FTSE-MIB index values