Survivor 49 Placeholder [Male Castaway - See Contingency rules]

Survivor 49 Placeholder [Female Castaway - See Contingency rules]

No member of the announced cast [See Contingency rules]

This will resolve to whoever is publicly announced as the winner of 

This market will close when Jeff invites the first juror to cast their vote (usually by saying "It is time to vote" at the final tribal council) 

As the names of the castaways from Survivor 49 have yet to be announced placeholders have been added for those slots. Once the names are officially announced by CBS those contingency slots will be renamed with the relevant castaway. 

Based on an overwhelming amount of preseason rumors and past Survivor practice, I'm assuming that one of the castaways from Season 49 will identify as male and the other will identify as female. If that's not the case, the names will be replaced in the following way:

If any castaway whose name was not announced appears on the season, they will take the slot titled "no member of the announced cast". If a third member of the cast of Survivor 49 is added to the Survivor 50 cast the castaway whose exit was aired first will take the slot titled no member of the announced cast and the remaining contestants will take the survivor 49 slots.