High-rolling investors have positioned themselves bearish on Carnival (NYSE:CCL), and it’s important for retail traders to take note.\This activity came to our attention today through Benzinga’s tracking of publicly available options data. The identities of these investors are uncertain, but such a significant move in CCL often signals that someone has privileged information. Today, Benzinga’s options scanner spotted 17 options trades for Carnival. This is not a typical pattern. The sentiment among these major traders is split, with 23% bullish and 70% bearish. Among all the options we identif…