Intraday Data

This endpoint provides the current intraday data for futures or options. You may request a market code for all contracts in that market, or an initial or exact code to narrow the result set.

For session timing and dataset definitions, see Data Availability. The current market phase is available from Get Market State.

Endpoint

GET https://www.asxenergy.com.au/api/intraday

Parameters

Exactly one of futures or options must be provided in each request.

Name	Type	Mandatory	Description
futures	`string`	YES (mutually exclusive with options)	Get intraday data for futures products. Accepted market codes: - `au_electricity` - `nz_electricity` - `au_gas` - `au_environmental` - `nz_environmental` Accepted futures codes: - Initial code (e.g. BNH, EVJ) - Exact code (e.g. HNZ2026, GNU2025)
options	`string`	YES (mutually exclusive with futures)	Get intraday data for options products. Accepted market codes: - `au_electricity` - `nz_electricity` Accepted options codes: - Initial code (e.g. BNZ, HQZ2026) - Exact code (e.g. HNZ20260012000, EAH20260010000C)
active	`boolean`	NO	Only available for options data. Set to `true` to select active codes only.

Errors

Status	When	Body
`400`	Neither or both of `futures` and `options`, or an invalid code were provided	`{"error":"..."}`
`403`	Your token is not entitled to the requested market	`{"error":"forbidden"}`
`401` `429`	Authentication failure or rate limit exceeded	See Data API overview

CSV Support

The API supports CSV-formatted responses when requested via the Accept header. To receive data in CSV format, set the following header in your request:

Accept: text/csv

Futures

Returns the current intraday data for futures products.

Response

Name	Type	Mandatory	Description
futures	`string`	YES	Echo of the `futures` query value
at	`string`	YES	Last update time as `yyyyMMddHHmm` format (Australia/Sydney)
data	`array`	YES	Futures product details listed below

data array items:

Name	Type	Notes
code	`string`	Futures code
bid_size	`string (nullable)`	Best bid quantity
bid	`string (nullable)`	Best bid price
ask_size	`string (nullable)`	Best ask quantity
ask	`string (nullable)`	Best ask price
high	`string (nullable)`	Session high
low	`string (nullable)`	Session low
last	`string (nullable)`	Last traded price
net_change	`string (nullable)`	Net change vs prior settle
volume	`string (nullable)`	Session volume
open_interest	`string (nullable)`	Open interest
open_interest_net_change	`string (nullable)`	Change in open interest
settle	`string (nullable)`	Settlement price when available

Many fields may be null when there is no quote or trade yet for the session.

Example

Request:

GET https://www.asxenergy.com.au/api/intraday?futures=nz_electricity

JSON response:

{
  "futures": "nz_electricity",
  "at": "202606021508",
  "data": [
    {
      "code": "EAH2028",
      "bid_size": null,
      "bid": null,
      "ask_size": null,
      "ask": null,
      "high": null,
      "low": null,
      "last": null,
      "net_change": null,
      "volume": null,
      "open_interest": "791",
      "open_interest_net_change": null,
      "settle": "149.75"
    },
    {
      "code": "EAM2025",
      "bid_size": "2",
      "bid": "343.20",
      "ask_size": "4",
      "ask": "344.00",
      "high": "343.30",
      "low": "332.50",
      "last": "336.05",
      "net_change": "0.50",
      "volume": "63",
      "open_interest": "5461",
      "open_interest_net_change": "4",
      "settle": "336.05"
    }
    // ...
  ]
}

CSV response:

Null fields are empty cells.

code,bid_size,bid,ask_size,ask,high,low,last,net_change,volume,open_interest,open_interest_net_change,settle
EAH2028,,,,,,,,,791,,149.75
EAM2025,2,343.20,4,344.00,343.30,332.50,336.05,0.50,63,5461,4,336.05
...

Options

Returns the current intraday data for options products. Data are returned under Put and Call.

Response

Name	Type	Mandatory	Description
options	`string`	YES	Echo of the `options` query value
at	`string`	YES	Last update time as `yyyyMMddHHmm` (Australia/Sydney)
data	`object`	YES	Object with `put` and `call` arrays listed below

data object:

Name	Type	Description
put	`array`	Put option data
call	`array`	Call option data

data.put / data.call array items:

Name	Type	Notes
code	`string`	Options code
bid_size	`string (nullable)`	Best bid quantity
bid	`string (nullable)`	Best bid price
ask_size	`string (nullable)`	Best ask quantity
ask	`string (nullable)`	Best ask price
high	`string (nullable)`	Session high
low	`string (nullable)`	Session low
last	`string (nullable)`	Last traded price
volume	`string (nullable)`	Session volume
open_interest	`string (nullable)`	Open interest
open_interest_net_change	`string (nullable)`	Change in open interest
settle	`string (nullable)`	Settlement price when available
implied_volatility	`string (nullable)`	Implied volatility

Many fields may be null when there is no quote or trade yet for the session.

Example

Request:

GET https://www.asxenergy.com.au/api/intraday?options=HNZ

JSON response:

{
  "options": "HNZ",
  "at": "202606021508",
  "data": {
    "put": [
      {
        "code": "HNZ20260004000P",
        "bid_size": null,
        "bid": null,
        "ask_size": null,
        "ask": null,
        "high": null,
        "low": null,
        "last": null,
        "volume": null,
        "open_interest": "25",
        "open_interest_net_change": null,
        "settle": null,
        "implied_volatility": "30.97"
      }
      // ...
    ],
    "call": [
      {
        "code": "HNZ20260004000C",
        "bid_size": "3",
        "bid": "78.50",
        "ask_size": "5",
        "ask": "81.00",
        "high": "82.25",
        "low": "76.10",
        "last": "80.00",
        "volume": "12",
        "open_interest": "25",
        "open_interest_net_change": "2",
        "settle": "80.30",
        "implied_volatility": "13.00"
      }
      // ...
    ]
  }
}

CSV response:

Null fields are empty cells. Put and call rows are interleaved by code order (not split into separate sections).

code,bid_size,bid,ask_size,ask,high,low,last,volume,open_interest,open_interest_net_change,settle,implied_volatility
HNZ20260004000C,3,78.50,5,81.00,82.25,76.10,80.00,12,25,2,80.30,13.00
HNZ20260004000P,,,,,,,,,25,,,30.97
...