Maybe the big contributor of the price fall is panic selling of bitcoin holder. Due to this, it contributes a huge amount of supply in the market but the demand is not too high because of price fall. People are scared to invest money in bitcoin nowadays because of constant price fall. Also, people discourage to engage nowadays with bitcoin because of different bad vibes prediction and speculation to bitcoins price in the future. Through this, it causes negative impacts to the market that results in low volume od demand that of price fall.