bull call spread

基本解释

Traders looking for a pre-earnings strategy for PCLN might want to consider a bull call spread.
FORBES: Priceline.com Earnings: High Expectations, Volatile Price Action
According to data from Trade-Alert.com, one trader opened a bull call spread using the November 26 and 31 strikes.
FORBES: Plains Exploration & Production's Rebound Sparks Unusual Bull Debit Spread
According to data from Trade-Alert.com, one trader opened a bull call spread using the January 2012 20 and 17.50 strikes.
FORBES: Cisco Systems Bull Opens an Unusual Debit Spread