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Flowseeker/API Reference/Underlying

List traded expirations for a ticker

GEThttps://flow-api.skylit.ai/v1/underlying/{ticker}/expirations

Returns each expiration that traded on date, with per-expiration call/put volume + premium and the unique-contract count.

Authorization

Authorization: Bearer <your API key>

Required. A missing header returns 401; an invalid, revoked or expired key returns 403.

Path parameters

  • tickerstringrequired

    Underlying ticker symbol (uppercase, e.g. SPY, AAPL).

Query parameters

  • datestringdate

    Trading date the request targets, in YYYY-MM-DD. Defaults to the current trading date (the most recent session that has settled enough data to be queryable).

Responses

  • 200

    Expirations with per-expiry totals.

  • 401

    Missing or invalid API key.

  • 402

    The account's shared Skylit credit balance is lower than this route's cost. Top up to continue. Carries X-Credits-Remaining: 0.

  • 429

    Per-minute rate limit exceeded.

Response fields

  • dataobject[]required
    • expirationstringdaterequired
    • dteintegerrequired
    • callVolumeintegerrequired
    • putVolumeintegerrequired
    • callPremiumnumberdoublerequired
    • putPremiumnumberdoublerequired
    • contractCountintegerrequired
  • metaobjectrequired
    • timestampstringdate-timerequired

      Server-side timestamp the response was generated at.

    • requestIdstringrequired

      Short opaque ID for log correlation.

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