As the co-author of “The Art of the Deal,” Donald J. Trump knows a thing or two about securing some landmark contracts. Sure enough, retail investors can take a page out of the former president’s book with a simple multi-leg options trade on Trump Media & Technology Group (DJT). Indeed, DJT stock is almost screaming for such a transaction. Is it a risky move? Absolutely — nothing in the equity ecosystem is absent risk. However, the ebb and flow of market efficiencies (or lack thereof) often shift the probabilities to one side of the spectrum or the other. For instance, converting a first and f…