{
  "series_id": "BLUE_COLLAR_YIELD_6M_AVG",
  "source": "derived",
  "shortName": "Blue Collar (L6M)",
  "name": "Yield - Blue Collar (6M Avg)",
  "updateFrequency": "monthly",
  "unit": "ratio",
  "derivation": {
    "type": "rolling_ma",
    "source": "BLUE_COLLAR_YIELD",
    "window": 6,
    "description": "6M Avg of Blue Collar Yield"
  }
}