Services not offered include retirement accounts, mutual funds and bonds.[36][37]
Robinhood typically only supports trading stocks and ETFs listed on the Nasdaq and New York Stock Exchange, and normally does not support over-the-counter securities such as those traded on OTC Markets.
So no 401s, 457's etc Consequently No OTC and no PCTL as of yet.
Just a thought, have your friend of a friend move onto a broader platform.