All Atlanta Volunteers events let you buy shares in the Tropical Adventure Competition.
Shares are not in use until the episodes start. They create ways to fund raise for the episode.
Shares paid with loonies are virtual shares and are not similar to actual shares in a corporation. These shares target virtual rewards. They add features and privileges to actors, props, storyline, locations and more. They can give you bidding power to influence what roles you play and with what props, studio, celebrities and situations you play them with. There will be more information when the episodes start as each episode has their own rewards.