Symbol: VXTLT | Category: Volatility Indices
Get real-time and historical CBOE 20+ Year Treasury Bond prices with our comprehensive API
Since 2025-09-22
Data available from this date
2026-03-26
Last price update date
Volatility
Volatility Indices
CBOE 20+ Year Treasury Bond (VXTLT) is a financial index available through the Indices-API. This index provides real-time and historical pricing data that can be accessed via our comprehensive API.
This index is classified under the Volatility Indices category and is traded on the CBOE exchange.
Our API offers seamless integration to access current prices, historical data, fluctuations, and time-series information for CBOE 20+ Year Treasury Bond.
Get the most recent CBOE 20+ Year Treasury Bond price. Depending on your subscription plan, the API's latest endpoint will return real-time exchange rate data updated every 60 minutes, every 10 minutes, or every 60 seconds.
https://pr5-testing.indices-api.com/api/latest?access_key=YOUR_API_KEY&base=USD&symbols=VXTLT
| Parameter | Description |
|---|---|
access_key |
[required] Your API Key. |
base |
[optional] Enter the three-letter currency code or index code of your preferred base currency. Default USD. |
symbols |
[required] Enter a list of comma-separated currency codes or indices codes to limit output codes. (The number of symbols per API request depends on the acquired plan). |
{
"success": true,
"timestamp": 1519296206,
"base": "USD",
"date": "2024-01-15",
"rates": {
"VXTLT": 0.000051351995333131
}
}
Get historical CBOE 20+ Year Treasury Bond price for a specific date. Historical rates are available for VXTLT since September 2025. You can query the Indices-API API for historical rates by appending a date (format YYYY-MM-DD) to the base URL.
https://pr5-testing.indices-api.com/api/2024-10-09?access_key=YOUR_API_KEY&base=USD&symbols=VXTLT
| Parameter | Description |
|---|---|
YYYY-MM-DD |
[required] A date in the past for which historical rates are requested. |
access_key |
[required] Your API Key. |
base |
[optional] Enter the three-letter currency code or index code of your preferred base currency. Default USD. |
symbols |
[required] Enter a list of comma-separated currency codes or indices codes to limit output codes. |
{
"success": true,
"historical": true,
"date": "2024-10-09",
"base": "USD",
"rates": {
"VXTLT": 0.000051351995333131
}
}
Convert any amount from one currency to CBOE 20+ Year Treasury Bond, or convert VXTLT to another currency or index. It is also possible to convert currencies using historical indices rates data.
https://pr5-testing.indices-api.com/api/convert?access_key=YOUR_API_KEY&from=USD&to=VXTLT&amount=100
https://pr5-testing.indices-api.com/api/convert?access_key=YOUR_API_KEY&from=USD&to=VXTLT&amount=100&date=2024-10-09
| Parameter | Description |
|---|---|
access_key |
[required] Your API Key. |
from |
[required] The three-letter currency code or index code of the symbol you would like to convert from. |
to |
[required] The three-letter currency code or index code of the currency you would like to convert to. |
amount |
[required] The amount to be converted. |
date |
[optional] Specify a date (format YYYY-MM-DD) to use historical rates for this conversion. |
{
"success": true,
"query": {
"from": "USD",
"to": "VXTLT",
"amount": 100
},
"info": {
"timestamp": 1519328414,
"rate": 0.000051351995333131
},
"historical": false,
"date": "2024-01-15",
"result": 0.0051351995333131
}
Query the API for daily historical CBOE 20+ Year Treasury Bond rates between two dates of your choice. The date limits per API request depends on the acquired plan. Note: You cannot use the current date on the parameter "end_date". We recommend using a day prior to the current date.
https://pr5-testing.indices-api.com/api/timeseries?access_key=YOUR_API_KEY&start_date=2024-10-04&end_date=2024-10-09&symbols=VXTLT
| Parameter | Description |
|---|---|
access_key |
[required] Your API Key. |
start_date |
[required] The start date of your preferred timeframe. (The date limits per API request depends on the acquired plan). |
end_date |
[required] The end date of your preferred timeframe. (The date limits per API request depends on the acquired plan). |
base |
[optional] Enter the three-letter currency code or index code of your preferred base currency. Default USD. |
symbols |
[required] Enter one currency or indices codes to limit the output. |
order |
[optional] Enter the sort order of the results. Supported values: asc (ascending), desc (descending). Default is desc. |
Retrieve summarized information about how CBOE 20+ Year Treasury Bond prices changed between two specific dates. The endpoint provides the start and end rates, absolute and percentage change. The date range limits per API request depend on your subscription plan. This endpoint supports 1 symbol per API request.
https://pr5-testing.indices-api.com/api/fluctuation?access_key=YOUR_API_KEY&start_date=2024-10-04&end_date=2024-10-09&symbols=VXTLT
Get the open, high, low, and close price for CBOE 20+ Year Treasury Bond on a specific date. Note: The open and close values are based on the start and end of the UTC day, not on traditional trading hours. If you're querying data for the current day, keep in mind that the high and close prices may change as the day progresses. This endpoint has a limitation of one symbol per request.
https://pr5-testing.indices-api.com/api/open-high-low-close/2024-10-09?access_key=YOUR_API_KEY&base=USD&symbols=VXTLT
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