# Data Dictionary - US Macro-Liquidity Tape - daily, cleaned Parquet

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

| column | type | description |
|---|---|---|
| `zone` | str | Always US |
| `ts` | timestamp (UTC) | Trading day |
| `variable` | str | Net liquidity / 2Y / 10Y / 30Y / EUR-USD |
| `value` | float | Daily value |
| `unit` | str | Unit (mixed) |
| `res_min` | int | Native resolution (daily) |

*Source: U.S. Department of the Treasury (Fiscal Data) & Federal Reserve Bank of New York.*