Choice is the expression of a speculation
1. the forming of a theory or conjecture without firm evidence.
“there has been widespread speculation that he plans to quit”
Similar: conjecture, theorizing, hypothesizing, supposition, guesswork, talk, theory, hypothesis, thesis, postulation, guess, surmise, opinion, notion, prediction, forecast, guesstimate, gamble, venture, risk, gambling, investment, spec, flutter, adventure
2. investment in stocks, property, etc. in the hope of gain but with the risk of loss.
“the company’s move into property speculation”