See: Option Series.
All contracts of the same class having the same Expiry Day and the same exercise price.
Option contracts on the same class having the same strike price and expiration m...
Options of the same class having the same expiration date and underlying future.
All call or put options on a security having the same exercise price and expiration date. For example, all XYZ October 30 calls would comprise a series of options. See: Call Option; Exercise Price; Expiration Date; Options; Put Option