a bullish strategy

Purchase of a call option. If you place a long call trade and the underlying security increases in price, you can make money; if it decreases in price, your risk of loss is limited to the premium you paid to buy the call. See also long put, short call, and short put.

An option which gives its holder the right, but not the obligation to buy the underlying asset.

agent has been on a call for too long. (alarm condition)

a debit transaction (money-out-of-pocket)