# CMS Marketplace issuer and plan enrollment measure history

`medicare_silver.fact_marketplace_plan_enrollment_measure_history` · Insurer negotiated rates · status live · 233,906 rows

CMS annual Marketplace plan-level enrollment measures across federal-platform and independent state-based Marketplace workbooks through business year 2025, preserving measure eras, suppression, exact plan identifiers, and workbook/Bronze lineage.

**Grain.** One source-native plan measure observation per business year, platform, issuer, plan, workbook sheet row, and immutable workbook artifact.

| column | type | meaning |
|---|---|---|
| business_year | int |  |
| workbook_release_year | int |  |
| platform | string |  |
| methodology_era | string |  |
| coverage_type | string |  |
| grain | string |  |
| state_code | string |  |
| issuer_hios_id | string |  |
| plan_id | string |  |
| plan_id_kind | string |  |
| county_fips | string |  |
| county_raw | string |  |
| workbook_sheet | string |  |
| source_row_number | bigint |  |
| source_measure_name | string |  |
| measure_name | string |  |
| raw_value | string |  |
| numeric_value | decimal(24,6) |  |
| value_state | string |  |
| source_workbook_sha256 | string |  |
| source_workbook_bytes | bigint |  |
| sheet_logical_sha256 | string |  |
| publisher_modified_at | string |  |
| publisher_observation_status | string |  |
| expected_table_measure_observations | bigint |  |
| observed_period | date |  |
| asserted_at | date |  |
| effective_period_start | date |  |
| effective_period_end | date |  |
| cms_vintage_sequence | int |  |
| parse_revision | int |  |
| parser_artifact_hash | string |  |
| source_url | string |  |
| sha256_content_hash | string |  |
| source_id | string |  |
| is_current | boolean |  |
| bronze_object_key | string |  |
| s3_version_id | string |  |
| vintage_tag | string |  |
| drug_source_version_id | string |  |

Query it: `query_substrate` with `SELECT ... FROM medicare_silver.fact_marketplace_plan_enrollment_measure_history WHERE ... LIMIT 100`; read `describe_data_source("medicare_silver.fact_marketplace_plan_enrollment_measure_history")` first.