# Data Dictionary - COT × Commodity Positioning Divergence - weekly, derived Parquet

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

| column | type | description |
|---|---|---|
| `zone` | str | Commodity |
| `ts` | timestamp (UTC) | Week |
| `variable` | str | Metric |
| `value` | float | Value |
| `unit` | str | Unit (mixed) |
| `res_min` | int | Native resolution (weekly) |

*Source: U.S. Commodity Futures Trading Commission (CFTC).*