Obviously they should divide it into a low-risk low-return tranche and a high-risk high-return tranche and market two tokens, with an LLM informed of the rules providing final arbitrage.
Say the Marvels is coming out, Brie Larson knows everyone hates her and she's a bad actor so it will probably flop. Brie takes out a $10 million short on her own movie.
Now she has an incentive to be horrible so she acts EXTRA bad and treats people even worse than usual to be sure it flops.