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# Get option tick bands

GET https://www.okx.com/api/v5/public/instrument-tick-bands

Retrieve the option tick size bands, i.e. how tick size varies across price ranges, for an instrument family.

Reference: https://okx-demo.ferndocs.com/api/api-reference/public-data/get-instrument-tick-bands

## Request

### Query parameters

- `instType` (enum, required) — Instrument type. Only OPTION is supported.
  - Allowed values: `OPTION`
- `instFamily` (string, optional) — Instrument family, e.g. BTC-USD. Applicable to OPTION.

## Response

### 200

Successful response

- `code` (string, optional) — Result code. `0` means success; any other value is an error code.
- `msg` (string, optional) — Error message. Empty on success.
- `data` (list of ApiV5PublicInstrumentTickBandsGetResponsesContentApplicationJsonSchemaDataItems, optional)

## Types

### ApiV5PublicInstrumentTickBandsGetResponsesContentApplicationJsonSchemaDataItems

- `instType` (string, optional) — Instrument type, OPTION.
- `instFamily` (string, optional) — Instrument family, e.g. BTC-USD.
- `tickBand` (list of ApiV5PublicInstrumentTickBandsGetResponsesContentApplicationJsonSchemaDataItemsTickBandItems, optional) — Tick size bands.

### ApiV5PublicInstrumentTickBandsGetResponsesContentApplicationJsonSchemaDataItemsTickBandItems

- `minPx` (string, optional) — Minimum price for this tick band.
- `maxPx` (string, optional) — Maximum price for this tick band.
- `tickSz` (string, optional) — Tick size that applies within this price band.

## Examples

**Response**

```json
{
  "code": "0",
  "msg": "",
  "data": [
    {
      "instType": "OPTION",
      "instFamily": "BTC-USD",
      "tickBand": [
        {
          "minPx": "0",
          "maxPx": "100",
          "tickSz": "0.1"
        },
        {
          "minPx": "100",
          "maxPx": "10000",
          "tickSz": "1"
        }
      ]
    },
    {
      "instType": "OPTION",
      "instFamily": "ETH-USD",
      "tickBand": [
        {
          "minPx": "0",
          "maxPx": "100",
          "tickSz": "0.1"
        },
        {
          "minPx": "100",
          "maxPx": "10000",
          "tickSz": "1"
        }
      ]
    }
  ]
}
```

**SDK Code**

```python publicData_getInstrumentTickBands_example
import requests

url = "https://www.okx.com/api/v5/public/instrument-tick-bands"

querystring = {"instType":"OPTION"}

response = requests.get(url, params=querystring)

print(response.json())
```

```javascript publicData_getInstrumentTickBands_example
const url = 'https://www.okx.com/api/v5/public/instrument-tick-bands?instType=OPTION';
const options = {method: 'GET'};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go publicData_getInstrumentTickBands_example
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://www.okx.com/api/v5/public/instrument-tick-bands?instType=OPTION"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby publicData_getInstrumentTickBands_example
require 'uri'
require 'net/http'

url = URI("https://www.okx.com/api/v5/public/instrument-tick-bands?instType=OPTION")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body
```

```java publicData_getInstrumentTickBands_example
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://www.okx.com/api/v5/public/instrument-tick-bands?instType=OPTION")
  .asString();
```

```php publicData_getInstrumentTickBands_example
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://www.okx.com/api/v5/public/instrument-tick-bands?instType=OPTION');

echo $response->getBody();
```

```csharp publicData_getInstrumentTickBands_example
using RestSharp;

var client = new RestClient("https://www.okx.com/api/v5/public/instrument-tick-bands?instType=OPTION");
var request = new RestRequest(Method.GET);
IRestResponse response = client.Execute(request);
```

```swift publicData_getInstrumentTickBands_example
import Foundation

let request = NSMutableURLRequest(url: NSURL(string: "https://www.okx.com/api/v5/public/instrument-tick-bands?instType=OPTION")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```