# Data Dictionary - European Day-Ahead Price Volatility - daily, cleaned Parquet

**Units:** all `price_volatility_eur_mwh` values are in **EUR/MWh**.  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Bidding zone |
| `ts` | timestamp (UTC) | Day |
| `price_volatility_eur_mwh` | float | Std of hourly DA prices that day |
| `unit` | str | Unit |
| `res_min` | int | Cadence in minutes (daily) |

*Source: ENTSO-E Transparency Platform (derived).*