[pksebben]

This seems to back that up: https://www.sec.gov/files/form13f.pdf

FWIG you can't actually see what premium was paid on an option unless the buyer chooses to disclose that themselves.

[JumpCrisscross]

> you can't actually see what premium was paid on an option

Nor the strike or tenor. (Options are more thinly traded than stocks. This confidentiality is practical.)