ETF Supply Change

etf-supply-change

Chart: ETF Supply Change

Parameters

Name	Type	Description	Required
start_date	string	Start date in YYYY-MM-DD format	No
end_date	string	End date in YYYY-MM-DD format	No
latest	bool	If true, returns the current value	No

Output

Index	Name	Type	Description
0	date	string	Date (ISO)
1	raw_new_supply	string	Raw new supply
2	raw_daily_etf_change	string	Raw daily ETF change
3	field_7_day_avg_daily_etf_change	string	7-day avg daily ETF change
4	field_7_day_ma_new_supply	string	7-day MA new supply
5	diff_from_ma	string	Diff from MA
6	color	string	Color ('green' or 'red')
7	btc_price	string	BTC price

Example Request

https://charts.bitbo.io/api/v1/etf-supply-change/?start_date=2025-05-07&end_date=2025-05-09

Example Request with Latest

https://charts.bitbo.io/api/v1/etf-supply-change/?latest=true

Code Samples

cURL

curl "https://charts.bitbo.io/api/v1/etf-supply-change/?start_date=2025-05-07&end_date=2025-05-09&api_key=YOUR_API_KEY"

Python

import requests

url = "https://charts.bitbo.io/api/v1/etf-supply-change/"
params = {
    "start_date": "2025-05-07",
    "end_date": "2025-05-09",
    "api_key": "YOUR_API_KEY"
}

response = requests.get(url, params=params)
data = response.json()
print(data)

JavaScript

const url = "https://charts.bitbo.io/api/v1/etf-supply-change/";
const params = new URLSearchParams({
  start_date: "2025-05-07",
  end_date: "2025-05-09",
  api_key: "YOUR_API_KEY"
});

const response = await fetch(`${url}?${params}`);
const data = await response.json();
console.log(data);

Go

package main

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

func main() {
	req, _ := http.NewRequest("GET", "https://charts.bitbo.io/api/v1/etf-supply-change/?start_date=2025-05-07&end_date=2025-05-09&api_key=YOUR_API_KEY", nil)

	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()

	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

Example Output

{
  "data": [
    [
      "2025-05-07",
      "12.34",
      "12.34",
      "12.34",
      "12.34",
      "12.34",
      "#ff0000",
      "12.34"
    ],
    [
      "2025-05-08",
      "23.45",
      "23.45",
      "23.45",
      "23.45",
      "23.45",
      "#ff0000",
      "23.45"
    ],
    [
      "2025-05-09",
      "34.56",
      "34.56",
      "34.56",
      "34.56",
      "34.56",
      "#ff0000",
      "34.56"
    ]
  ]
}