As long as financial survival isn't at stake, they may enjoy the adventure of playing the market. Many speculators are in this category. However, some Adventurers may get in over their heads. This may be from peer pressure or from a change in external conditions. Before making a decision or taking action they gather information and analyze the odds.
Calculators try to be realistic, recognize the risks, and try to reduce risks to acceptable levels.
Most growers are Calculators, at least in the majority of their decisions. Managing Risk in Agriculture. North Central Regional Extension Publication. D.C. Baquet, A., R. Hambleton, and D. Jose. 1997. Introduction to Risk Management.