Vertical Spread An options trading strategy with which a trader makes a simultaneous purchase and sale of two options of the same type that have the same expiration dates but different strike prices. Investopedia Says: Profits are determined by the widening or narrowing of the difference between the option premiums on the two positions. Related Terms: Bear Spread Bull Call Spread Bull Spread Bull Vertical Spread Expiration Date Frontspread Horizontal Spread Option Spread Spread Option |