At market close fairly random will roll a d100 (kinda) and resolve to the number rolled as a percent.

Explaination of decision process after market close:

At market close I will use @FairlyRandom and ask it to choose a number between 1 and 80. If that number to from 1-40 I will resolve to that percent. If the number is from 41-80 I will resolve to that percent +19. This is to make it impossible to resolve at 50 where no one would win anything.

Any questions are welcome