cURL
curl -H 'Authorization: Bearer $HD_KEY' 'https://data.hyperdash.com/v1/markets/BTC/volatility?interval=1h'import requests
url = "https://data.hyperdash.com/v1/markets/{coin}/volatility"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://data.hyperdash.com/v1/markets/{coin}/volatility', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://data.hyperdash.com/v1/markets/{coin}/volatility",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://data.hyperdash.com/v1/markets/{coin}/volatility"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://data.hyperdash.com/v1/markets/{coin}/volatility")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://data.hyperdash.com/v1/markets/{coin}/volatility")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"data": [
{
"t": 123,
"vol_pct": "<string>",
"sum_sq_log_ret": "<string>",
"n_returns": 123
}
],
"has_more": true,
"next_cursor": "<string>",
"meta": {}
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}Markets
Realized volatility of one market
Annualized realized volatility per complete hour or UTC day from 1-minute log returns: sqrt(Σr² / n × 525,600) × 100, with the inputs (Σr², n) so windows can be combined. Up to the last complete hour (meta.as_of).
Pricing: flat; ×1 to 1d, ×2 to 7d, ×5 to 30d, ×8 to 90d, ×11 to 365d. Scope: markets:read.
GET
/
v1
/
markets
/
{coin}
/
volatility
cURL
curl -H 'Authorization: Bearer $HD_KEY' 'https://data.hyperdash.com/v1/markets/BTC/volatility?interval=1h'import requests
url = "https://data.hyperdash.com/v1/markets/{coin}/volatility"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://data.hyperdash.com/v1/markets/{coin}/volatility', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://data.hyperdash.com/v1/markets/{coin}/volatility",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://data.hyperdash.com/v1/markets/{coin}/volatility"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://data.hyperdash.com/v1/markets/{coin}/volatility")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://data.hyperdash.com/v1/markets/{coin}/volatility")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"data": [
{
"t": 123,
"vol_pct": "<string>",
"sum_sq_log_ret": "<string>",
"n_returns": 123
}
],
"has_more": true,
"next_cursor": "<string>",
"meta": {}
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}{
"type": "<string>",
"title": "<string>",
"status": 123,
"code": "<string>",
"request_id": "<string>",
"detail": "<string>",
"hint": "<string>"
}Authorizations
hdk_sk_live_v1_… or hdk_sk_test_v1_…
Headers
Refuse (free) if the request could cost more.
Expected price version; 409 price_changed if it differs.
Path Parameters
Market, e.g. BTC, xyz:TSLA.
Pattern:
^[A-Za-z0-9:_\-/@.]{1,40}$Query Parameters
Bucket size.
Available options:
1h, 1d Start, epoch ms (inclusive). Default: end_time − 1 day (1h) / 30 days (1d). Range ≤ 30 days hourly, 365 days daily.
End, epoch ms (exclusive). Default: now. Clamped to the data (meta.as_of).

