The impact of the Covid-19 pandemic and Joe Biden’s winning speech to IDX composite using multi input intervention analysis

The world was shocked by the emergence of a new type of virus, namely Covid-19. 2020 March 2nd, President Joko Widodo announced two positive Covid-19 patients as the first cases of Covid-19 in.Indonesia. The Covid-19 pandemic and the Large-Scale Social Restrictions (LSSR) carried out by the government harmed economic growth. The value of the IDX fell from 6000's to 4,000's after the first Covid-19 case in Indonesia. The IDX indicates an increasing trend when Joe Biden made his victory speech on 2020 November 7th. Intervention analysis is used to evaluate the effect of the Covid-19 pandemic, LSSR and Joe Biden's victory speech on the IDX using the daily closing data from April 2019 to December 2020. The results of the intervention analysis obtained are the Covid-19 pandemic raised the IDX value by 233,70 points on the second day and raised 121,47 points on the third day since the announcement of the first Covid-19 patient in Indonesia. The implementation of the LSSR in DKI Jakarta lowered the IDX value by 167,31 points one day after the policy was implemented and Joe Biden's victory speech had no effect on the IDX value.