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Open: the price of bitcoin in the first trade of this day.
High: the price of bitcoin which is highest of this day.
Low: the price of bitcoin which is lowest of this day.
Close: the price of bitcoin in the last trade of this day.
Volume: unit (USD)
Market Cap: the total worth of Circulating Supply.
Open & Close are on UTC time.
Close_ratio = (open_price - close_price)/close_price
Spread = Absolute of (open_price - close_price)