Seonglae ChoCurrent state only dependent on previous state
Markov property is quite reasonable since physical reality also changes based on current state
However, the reason hidden states are necessary is because we need to understand trends in changes that cannot be predicted by current stock prices alone in order to incorporate them into the model parameters
마코프 가정은 러시아 수학자 마코프가 1913년경에 러시아어 문헌에 나오는 글자들의 순서에 관한 모델을 구축하기 위해 제안된 개념
Markov Model Notion