Speculators also monitor what is happening in the market, the rate and the range of how the prices goes up and down. They have their own interpretations and understanding on what's happening inside the market. They are good in analyzing and predicting possible expectations on what to do next in
managing events in market.
While hodlers are just a play safe investor who doesn't want to spend their investment in a garbage ways without thinking. They are the one who is seizing the moment when the price of BTC goes boom! Their patience is really extreme and they only wait for the right time to come and then they will now sell BTC in a much higher price. That's a good technical analysis in graphs and good strategy in cryptocurrency exchange.
Those have their different role, different advantages and disadvantages in crypto world.