Only stock hunters can join black event
Join stock increases daily
Even if you do not win, your join stock will not be returned.
There are two type of a random and the highest price.
If multiple winners are selected, even at the highest bid, the winners are determined by bid order.
Random winners will be selected randomly by the number of winners.
Participants can not see the detail list, you can see only your own history.
Manager or sponsors may not participate in their events.