As of now, you cannot buy Coinbase stock on Robinhood. This is because Coinbase is not yet a publicly traded company.
In order for you to be able to buy Coinbase stock on Robinhood, Coinbase would need to file for an initial public offering (IPO).
NOTE: This is a warning to those considering buying Coinbase stock on Robinhood. While it is possible to buy stocks on Robinhood, Coinbase stock is not currently available. Therefore, it is not possible to purchase Coinbase stock through Robinhood. Additionally, purchasing stocks through Robinhood carries a certain degree of risk and it is important to be aware of the potential losses that could be incurred.
As of now, there is no indication that Coinbase will file for an IPO any time soon. This is likely because Coinbase is still in the process of growing its business.
Once Coinbase has reached a certain level of maturity, it may then file for an IPO.
So, as of now, you cannot buy Coinbase stock on Robinhood. However, this could change in the future if Coinbase decides to file for an IPO.