McMillan on Short Selling
https://mcmillan.ca/insights/publications/short-selling-in-canada-regulations-are-weak-and-a-new-path-forward-is-needed-to-reduce-systemic-risk/
I doubt very much there is short selling on SIC. It is too low volume and price. Maybe someone can check into that. I could not find data showing SIC is being shorted.