Task: Class Definition Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following definitions best describes 'opening price'?

A. last reported price at which a security was sold
B. cash value of the last transacted price before the market closes
C. price for a given security at some point between the opening and official closing price on an exchange
D. price at which something first trades at the start of a trading day

Answer: price at which something first trades at the start of a trading day