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

Which of the following classes does 'XNYS - JPM' belong to as one valid explicit type? Context: ticker symbol for JPMorgan Chase & Co. common stock listed on the New York Stock Exchange (NYSE)

A. ticker symbol
B. international securities identification number
C. contextual designation
D. market segment-level market identifier

Answer: ticker symbol