hyperliquid.predictions.metrics_daily table provides daily activity, fee, user, and open interest metrics for Hyperliquid HIP-4 prediction markets. One row per (day, category, sub_category).
HIP-4 categories:
price_binary (Recurring auto-generated price markets), categorical (named outcomes under a question), binary (orphan named outcomes). sub_category is the Recurring underlying asset (e.g. ‘BTC’); ‘none’ for non-Recurring categories.