Is the stock market open? (NYSE/NASDAQ) API

Is the US stock market open right now (or at a given time), and what are this year's holidays + early-close days? Rule-based, with weekend-observed shifts and Good Friday — reliably, not by eyeballing. All times US/Eastern. Answers 'is the NYSE open right now', 'is the market open', 'next market holiday', 'market hours today'.

Price$0.01per request

MethodPOST

Route/v1/finance/market-calendar

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache60s public

financemarkettrading-calendarnysenasdaqmarket-hoursholidaysis-open

API URLhttps://x402.hexl.dev/v1/finance/market-calendar

Integration docs

Example request

{
  "exchange": "NYSE"
}

Example response

{
  "exchange": "NYSE",
  "asOf": "2026-06-02T15:00:00.000Z",
  "localTimeET": "11:00",
  "weekday": "Tue",
  "isOpen": true,
  "status": "open",
  "regularHoursET": "09:30-16:00",
  "today": {
    "date": "2026-06-02",
    "holiday": null
  },
  "upcomingHolidays": [
    {
      "name": "Juneteenth",
      "date": "2026-06-19"
    }
  ]
}

Input schema

{
  "type": "object",
  "properties": {
    "exchange": {
      "type": "string",
      "enum": [
        "NYSE",
        "NASDAQ"
      ],
      "default": "NYSE"
    },
    "datetime": {
      "type": "string",
      "examples": [
        "2026-06-02T15:00:00Z"
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}