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Board track record

GET/v1/premarket/track-record

How the board's past picks finished over the last N trading days: how many there were and how often each list worked.

Each call counts against your allowance.

Parameters

NameInTypeWhat it does
daysquerywhole number, 1–120Trading days back. Leave it out for 20.

Any other parameter is refused, so a typo is caught rather than quietly ignored.

Answer

The answer is { data, asOf }. Here is data, abridged: real answers carry more fields.

data (abridged)
{
  "period": {
    "days": 20,
    "since": "2026-09-23"
  },
  "metrics": [
    {
      "listType": "tier1",
      "n": 41,
      "winRate": 0.56,
      "avgCloseVsOpenPct": 0.4,
      "confirmRate": 0.63
    }
  ],
  "tier1EmptyDayRate": {
    "emptyDays": 2,
    "totalBoards": 20,
    "rate": 0.1
  }
}

Answers and errors covers every answer’s shape and what an error carries.