gex major levels

Key GEX levels (Zero Gamma, Major Positive/Negative GEX by OI and Volume) from the classic GEX model. A slim version of the GEX chain endpoint.

GET/{ticker}/classic/{category}/majorsClassic Tier

chart

Powers the gexbot classic chart.

Provides the key GEX levels (Zero Gamma, Major Positive/Negative GEX by OI and Volume) from the classic GEX model. This is a slimmed-down version of the main GEX chain endpoint.

Subscription

Requires a Classic subscription or higher.

Request

Example: /SPX/classic/gex_full/majors

Headers

Name	Type	Description
`Authorization`	`string`	Required. Format: "Bearer <YOUR_API_KEY>"
`User-Agent`	`string`	Required. Identify your client application.
`Accept`	`string`	Required. Set to "application/json".

Path parameters

Name	Type	Description
`ticker`	`string`	Desired ticker symbol (e.g., SPX).
`category`	`string`	Classic category: `full`, `gex_full`, `zero`, `gex_zero`, `one`, or `gex_one`.

Response

Field	Type	Description
`timestamp`	`integer`	The Unix timestamp of when the data was generated.
`ticker`	`string`	The ticker symbol for the requested asset.
`spot`	`number`	The spot price of the underlying asset. `null` when spot data is not available to the caller.
`mpos_vol`	`number`	The strike with the most positive GEX by volume.
`mpos_oi`	`number`	The strike with the most positive GEX by open interest.
`mneg_vol`	`number`	The strike with the most negative GEX by volume.
`mneg_oi`	`number`	The strike with the most negative GEX by open interest.
`zero_gamma`	`number`	The center of the options complex, according to a spline interpolation on gex by volume.
`net_gex_vol`	`number`	Total net gamma exposure by volume.
`net_gex_oi`	`number`	Total net gamma exposure by open interest.

{
  "timestamp": 1753283591,
  "ticker": "SPX",
  "spot": 6326.45,
  "mpos_vol": 6339.92,
  "mpos_oi": 6400,
  "mneg_vol": 6300,
  "mneg_oi": 6200,
  "zero_gamma": 6323.39,
  "net_gex_vol": 41199.07077,
  "net_gex_oi": 57505.37699
}

{
  "type": "object",
  "properties": {
    "timestamp": {
      "type": "integer",
      "format": "int64"
    },
    "ticker": {
      "type": "string",
      "minLength": 2,
      "maxLength": 6
    },
    "spot": {
      "type": ["number", "null"],
      "format": "double"
    },
    "mpos_vol": {
      "type": "number"
    },
    "mpos_oi": {
      "type": "number"
    },
    "mneg_vol": {
      "type": "number"
    },
    "mneg_oi": {
      "type": "number"
    },
    "zero_gamma": {
      "type": "number"
    },
    "net_gex_vol": {
      "type": "number"
    },
    "net_gex_oi": {
      "type": "number"
    }
  },
  "additionalProperties": false
}

type: object
properties:
  timestamp:
    type: integer
    format: int64
  ticker:
    type: string
    minLength: 2
    maxLength: 6
  spot:
    type: [number, 'null']
    format: double
  mpos_vol:
    type: number
  mpos_oi:
    type: number
  mneg_vol:
    type: number
  mneg_oi:
    type: number
  zero_gamma:
    type: number
  net_gex_vol:
    type: number
  net_gex_oi:
    type: number
additionalProperties: false

Errors

Most error responses have the body {"error": "<message>"}. A 401 response has no body. A 403 response from the API key product check also has no body.

Status	Body	When
`400`	`{"error": "User-Agent not found."}`	The request has no `User-Agent` header.
`400`	`{"error": "Authorization header not found."}`	The request has no `Authorization` header.
`400`	`{"error": "Invalid ticker format."}` or `{"error": "Unknown ticker symbol: <ticker>"}`	The ticker is not a known symbol.
`400`	`{"error": "Invalid category package combination."}`	The category is not a classic category.
`401`	(no body)	The API key is not valid.
`403`	`{"error": "User is not subscribed."}`	The account has no Classic subscription or higher.
`403`	`{"error": "User does not have permission to access this endpoint."}`	The account does not have REST API access.
`403`	`{"error": "Commercial child access is suspended."}`	The commercial seat that owns the API key is suspended.
`429`	`{"error": "Rate limit exceeded."}`	The account has used its quota for this endpoint. See rate limits.
`500`	`{"error": "Failed to get redis chart data: null or zero length"}`, `{"error": "Failed to get chart data."}` or `{"error": "Unexpected error occurred."}`	The server could not read the data. Retry the request.