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Market Data

Get Option Chain Expiration Date List

Query the list of available expiration dates for an underlying's option chain and the strike price list for the default expiration; used to render the expiration-date tabs on the option chain page.

GEThttps://api.lbkrs.com/v4/gemini/optionchain-date-list

Parameters

underlying_counter_idstringqueryRequired

Underlying stock counter_id

expire_datestringqueryOptional

Expiration date in format YYYYMMDD; if specified returns the strike list for that expiration, if omitted returns the data for the nearest expiration (i.e., default_expire_date)

standard_attrstringqueryOptional

Standard attribute：

  • S - Standard option
  • N - Non-standard option (adjusted options generated after corporate actions such as stock splits/mergers; Broker App labels as Old; some multi-leg strategy orders and position adjustments may exclude N); used together with expire_date

Responses

HTTP 200The request succeeded. The response body contains the result of the “Get option chain expiration date list” operation.
Standard response envelopecodemessagedata
dataobjectdata structure
expire_date_listarray<object>

List of available expiration dates

Child attributes
expire_datestring

Expiration date, format YYYYMMDD

typestring

Expiration date type：

  • W - Weekly option
  • Q - Quarterly option
standard_attrstring

Standard attribute：

  • S - Standard option
  • N - Non-standard option (adjusted options generated after corporate actions such as stock splits/mergers; Broker App labels as Old; some multi-leg strategy order flows and position adjustments may exclude N)
support_extendinteger

Supports extended sessions (pre-market/after-hours/night) quotes：

  • 1 - Supported
  • 0 - Not supported
default_expire_dateobject

Option expiration information

Child attributes
expire_datestring

Expiration date, format YYYYMMDD

typestring

Expiration date type：

  • W - Weekly option
  • Q - Quarterly option
standard_attrstring

Standard attribute：

  • S - Standard option
  • N - Non-standard option (adjusted options generated after corporate actions such as stock splits/mergers; Broker App labels as Old; some multi-leg strategy order flows and position adjustments may exclude N)
support_extendinteger

Supports extended sessions (pre-market/after-hours/night) quotes：

  • 1 - Supported
  • 0 - Not supported
strike_pricearray<object>

Strike list for the default (or specified) expiration date

Child attributes
pricestring

Strike price

call_counter_idstring

Call option contract id

put_counter_idstring

Put option contract id

standard_attrstring

Standard attribute：

  • S - Standard option
  • N - Non-standard option (adjusted options generated after corporate actions such as stock splits/mergers; Broker App labels as Old; some multi-leg strategy order flows and position adjustments may exclude N)
call_support_extendinteger

Call contract supports extended sessions (pre-market/after-hours/night) quotes：

  • 1 - Supported
  • 0 - Not supported
put_support_extendinteger

Put contract supports extended sessions (pre-market/after-hours/night) quotes：

  • 1 - Supported
  • 0 - Not supported
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