# Data Dictionary - ECB Policy Rates, FX Reference Rates & Euro-Area Yield Curve - daily, cleaned Parquet

**Units:** vary by `series` - read the per-row `unit` column (overall: mixed (% for rates/yield; FX rate for pairs)).  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Always EUR (euro area) |
| `ts` | timestamp (UTC) | Observation date |
| `series` | str | Benchmark (refi rate / EUR-USD / … / 10Y yield) |
| `value` | float | Percent for rates/yield; FX per EUR for pairs |
| `unit` | str | Unit |
| `res_min` | int | Native resolution (daily = 1440) |

*Source: European Central Bank (ECB) - obtainable free of charge from the ECB.*