Choose your weapon. Your mission is to defeat the plurality. The option that would defeat the option that finishes with the highest percentage will resolve to Yes. All other options will resolve to No. If there is a tie when the market closes, the option that most recently held a higher percentage than the other option(s) it was tied with will be used to break the tie.
Simpler explanation:
Rock wins if Scissors finishes with the highest percentage.
Paper wins if Rock finishes with the highest percentage.
Scissors wins if Paper finishes with the highest percentage.
the option that most recently held the highest percentage out of the options tied for the highest percentage at the end
I believe this is ambiguous: Do you mean the option that held the highest percentage out of the tied options at the most recent point where one of the tied options held a higher percentage than all other tied options, or do you mean the tied option that held the highest percentage, and if there is a tie for that, then the one which held that percentage most recently?
For example, right now Paper and Scissors are tied. Would Scissors win because Paper held the highest percentage at 39%? Or would Rock win because at the most recent point that Scissors and Paper were not tied, Scissors held the highest percentage at 34% while Paper held 32%?
I was trying to describe the second option you note in your second paragraph. If 2 options are tied, go back to the latest point in time where they were not tied and take the one that was higher. If 3 options are tied, go back to the latest point in time where 1 was higher than the other 2 and take the one that was highest at that point in time.
I took a swing at fixing the wording in the description to make it less ambiguous.