curl --request GET \
  --url https://api.example.com/api/market/v1/get-market-breadth-history

{
  "currentPctAbove20d": 123,
  "currentPctAbove50d": 123,
  "currentPctAbove200d": 123,
  "updatedAt": "<string>",
  "history": [
    {
      "date": "<string>",
      "pctAbove20d": 123,
      "pctAbove50d": 123,
      "pctAbove200d": 123
    }
  ],
  "unavailable": true
}