High-rolling investors have positioned themselves bullish on Costco Wholesale (NASDAQ:COST), 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 COST often signals that someone has privileged information.

Today, Benzinga's options scanner spotted 11 options trades for Costco Wholesale. This is not a typical pattern.

The sentiment among these major traders is split, with 45% bullish and 36% bearish. Among all the options we identified, there was one put, amounting to...