# Data Dictionary - Hyperliquid Perp Sector Indices - L1 / AI / MEME / DEFI / L2 baskets, daily Parquet

**Units:** vary by `metric` - read the per-row `unit` column (overall: mixed).  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Sector basket (L1 / AI / MEME / DEFI / L2) |
| `ts` | timestamp (UTC) | Day |
| `metric` | str | sector_funding_apr_pct / sector_oi_notional_usd / sector_volume_usd / sector_active_coins |
| `value` | float | Value. Units: funding=annualised %, oi/volume=USD, active_coins=count |
| `unit` | str | mixed - see metric |
| `res_min` | int | Native resolution (daily = 1440) |

*Source: Hyperliquid (on-chain perpetual DEX) - public asset-context data.*