Speculation is nearly the same like gambling, but trading is activity that the same like others business that we should be use risk management and trading plan. Beside that we should be have knowledge about technical analysis and how to predict trend of crypto market.
That's why indicators are being used in trading so they don't need to speculate. Traders predict the price through this tools or even without this as long as they know the basic. We should really have at least some background on how do technical analysis because if there is none, then probably you're not trading at all because its more on gambling.