Bitcoin has max 21 million coins, this low amount gives it that fundamental value.
Can a altcoin with a billion max supply reach $100 each?
Has any alts in history with a billion or billion+ but no more than a trillion coins reach $100 each?
Everything is possible especially in crypto market because it is still young. When the market cap will be over 20 trillion you will see many examples of high supply coins growing over $100 but for that you need to be patient.