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GET
/
gex
/
time-heatmap
Strike × time greek heatmap
curl --request GET \
  --url https://api.example.com/gex/time-heatmap \
  --header 'X-API-Key: <api-key>'
{
  "success": false,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Invalid API key"
  },
  "meta": {
    "version": "2.0",
    "timestamp": "2026-04-29T12:00:00Z"
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.backquant.com/llms.txt

Use this file to discover all available pages before exploring further.

Time-series of greek exposures by strike. Pick the greek (gex|dex|vex|charm|vanna), bound by DTE / OI / IV.

​
See also

What is GEX?

Greeks beyond delta

Authorizations

​
X-API-Key
string
header
required

Your BackQuant API key (same key as v1)

Headers

​
X-API-Key
string | null

Query Parameters

​
symbol
enum<string>
default:BTCUSDT

Trading symbol: BTCUSDT, ETHUSDT, SOLUSDT, or HYPEUSDT.

Available options:
BTCUSDT,
ETHUSDT,
SOLUSDT,
HYPEUSDT
​
greek
enum<string>
default:gex

Greek to display.

Available options:
gex,
dex,
vex,
charm,
vanna
​
dte_min
integer
default:0

Inclusive lower bound on days-to-expiry for contributing contracts.

Required range: 0 <= x <= 365
​
dte_max
integer
default:365

Inclusive upper bound on days-to-expiry.

Required range: 0 <= x <= 365
​
min_oi
number
default:0

Drop contracts with open interest below this value.

Required range: x >= 0
​
iv_min
number
default:0

Inclusive lower bound on IV (in % e.g. 50 for 50%).

Required range: 0 <= x <= 500
​
iv_max
number
default:200

Inclusive upper bound on IV (in %).

Required range: 0 <= x <= 500

Response

Successful Response