Onion Futures Act – US law banning trading futures on onions
en.wikipedia.org
en.wikipedia.org
ie, it's not wrong to try, and then change your mind.
>Vince Kosuga was an onion farmer back in the 1930s. A pretty successful one. But farming wasn't enough for him. He also liked to make bets on wheat and other crops. Then he had an idea: Why not try his luck with the crop he knew best?
[0] https://www.npr.org/sections/money/2015/10/14/448718171/epis...