The currencies of the world are affected by many different parameters such as politics, economy, wars. The value of the money also shows up and down according to these parameters.
What are the parameters that affect bitcoin?
Government, global economic and businesses. We should know that bitcoin is banned in some countries and it affects the bitcoin market to operate in all countries in the world, the global economic affects the bitcoin price sometimes. Bitcoin has its pump and dumps and these can happen anytime so we can't be sure that everything is going good and slowly, when more businesses accept bitcoin then the bitcoin marketplace will have a better range.
Ok, You refer perhaps to geopolitical factors, but we must also consider many other factors that affect the price, similar to times of the year, some kind of bad news, that is to mention some examples only, it would have to analyze in more depth that other factors could intervene, but yes, generally speaking all that has been mentioned is perhaps the most representative so far, the only thing I wanted to add is that all that factors are multiplying dozens of times since there is a greater distribution in the daily run, provoking an effect according to the nature and duration of the event and which is also minimized by new participants.