Based on the results of the analysis, hence some evidence is found that the crude oil market affects the natural gas market in Indonesia through a combination of changes in demand and not through changes in oil supply during the Covid-19 pandemic. The uncertainty of oil supply due to the Covid-19 pandemic has made the oil market shift to the natural gas market and increased the price of natural gas as the main substitute for oil. Meanwhile, changes in demand in Indonesia during the Covid19 Pandemic affected crude oil and gas prices, causing similar fluctuations in oil and gas prices. |