High-rolling investors have positioned themselves bearish on Vistra (NYSE:VST), 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 VST often signals that someone has privileged information.

Today, Benzinga's options scanner spotted 39 options trades for Vistra. This is not a typical pattern.

The sentiment among these major traders is split, with 41% bullish and 46% bearish. Among all the options we identified, there was one put, amounting to $25,620, and 38 calls...