I think you are confusing the possibility being present with the possibility being realized. In a free market, that possibility is present but unrealized. The p

I think you are confusing the possibility being present with the possibility being realized. In a free market, that possibility is present but unrealized. The possibility doesn't make the market non-free (and anything that would prevent such possibility would make the market strictly speaking non-free), but when entities choose to act on that possibility the market is no longer free.