The following commentary comes from an independent investor or market observer as part of TheStreet's guest contributor program, which is separate from the company's news coverage. NEW YORK (Options Trading Signals) -- Let's discuss an options strategy that often is overlooked. Besides covered calls and cash-secured naked puts (which have the same risk profile, by the way), one of the most basic spread constructions available to option traders is the vertical spread. ... Click to view a price quote on MOO. Click to research the Financial Services industry.