DEFINITION of 'Option Series'
A specific set of calls or puts on the same underlying security, in the same class and with the same strike price and expiration date.
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BREAKING DOWN 'Option Series'
An option series is a certain contract traded on a particular exchange. For example, all ABC July puts would make up an options series.
RELATED TERMS

Strike Price
The price at which a specific derivative contract can be exercised. ... 
Vertical Spread
An options trading strategy with which a trader makes a simultaneous ... 
Expiration Date (Derivatives)
The last day that an options or futures contract is valid. When ... 
Bull Spread
An option strategy in which maximum profit is attained if the ... 
Bull Call Spread
An options strategy that involves purchasing call options at ... 
Iron Butterfly
An options strategy that is created with four options at three ...
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RELATED FAQS

How are call options priced?
Learn how aspects of an underlying security such as stock price and potential for fluctuations in that price, affect the ... Read Answer >> 
When is a call option considered to be "in the money"?
Learn about call options, their intrinsic values and why a call option is in the money when the underlying stock price is ... Read Answer >> 
What happens when a security reaches its strike price?
Learn more about the moneyness of stock options and what happens when the underlying security's price reaches the option ... Read Answer >> 
How do I set a strike price in a put?
Learn about put options, considerations to make before you select strike prices and how to select strike prices for your ... Read Answer >> 
How do I set a strike price for an option?
Learn about the strike price of an option and how to set a strike price for call and put options depending on risk tolerance ... Read Answer >> 
When is a put option considered to be "in the money"?
Learn about put options, what they are, how these financial derivatives operate and when put options are considered to be ... Read Answer >>