Comparar una tasa con la referencia oficial

{
  "country": "CO",
  "reference": {
    "id": "co-trm",
    "market": "co_trm",
    "value": 3900.12,
    "updated_at": "2026-10-25T00:00:00Z"
  },
  "compared": {
    "id": "co-p2p",
    "market": "co_p2p",
    "value": 4001.55,
    "updated_at": "2026-10-25T11:55:00Z"
  },
  "spread": {
    "absolute": 101.43,
    "percentage": 2.6007,
    "direction": "above"
  },
  "fetched_at": "2026-10-25T12:00:00Z"
}