# Data Dictionary - Global House Prices (OECD) - nominal, real, price-to-income & price-to-rent, cleaned Parquet

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

| column | type | description |
|---|---|---|
| `zone` | str | ISO-3 country code (USA, GBR, JPN, …) |
| `ts` | timestamp (UTC) | First month of quarter |
| `series` | str | Nominal HPI / Real HPI / Price-to-income / Price-to-rent |
| `value` | float | Index |
| `unit` | str | Unit |
| `res_min` | int | Native resolution (quarterly) |

*Source: OECD.*