It also depends on "the lowest price someone is willing to sell at", and you can start sketching it graphically, and have to ignore "some people don't have the

It also depends on "the lowest price someone is willing to sell at", and you can start sketching it graphically, and have to ignore "some people don't have the money to buy" and "this only applies to people actually trading stocks", but at the end it really has no impact on OP's point, namely that stock price is a reflection of a collective opinion, subject to the full range of flaws tainting all human perception.