Speculation comes from the latin word Specula, an army lookout, speculation means observation.
The speculator should be the one in charge of the observation of the market trends for the safeguard of the community.
It seems funny but the speculator should be the one who looks after you.
In effect, if you are a good observer you can make money from nothing, simply observing.
It means you should be able to make profit simply observing.
Below you can find the main fields.