and teams members who are known in the society and the source codes of the coin can easily be updated which have made them not to have a static circulating which is has been the major reason why the altcoin market is hard to speculate because it circulating supply can easily be tempered more coin being minted at will which will render speculators analysis inaccurate in most cases.
Is this saying that bitcoin is able to be speculated? Because the total supply is known and can not be manipulated also ?
I don't think that bitcoin is able to be speculated.
However the reason for altcoins not be able to be speculated is obviously. Apart that most don't have certain supply, they are centralized and control by developers not even team e.g ripple.