VIXCLSFinancial ConditionsDaily

VIXCLS — CBOE Volatility Index (VIX)

Latest value

15.46Index

as of August 11, 2026

Refreshed hourly · Live via REST API

The VIX measures implied 30-day S&P 500 volatility from options prices. Widely known as the "fear index."

Update frequency

Daily

Unit

Index

Historical coverage

1990-01/..

Why VIXCLS matters

Risk-off/risk-on regime detection, market-stress alerts, and options-based hedging cost analysis.

Get the latest value

Fetch the most recent CBOE Volatility Index (VIX) reading with a single GET request. Free tier includes 100 calls per day.

# cURL curl -H "X-API-Key: brd_your_key" \ https://api.bullrundata.com/api/v1/indicators/VIXCLS # Python import requests r = requests.get( "https://api.bullrundata.com/api/v1/indicators/VIXCLS", headers={"X-API-Key": "brd_your_key"}, ) print(r.json()) # JavaScript const res = await fetch("https://api.bullrundata.com/api/v1/indicators/VIXCLS", { headers: { "X-API-Key": "brd_your_key" }, }); const data = await res.json();

Historical data

Retrieve the complete CBOE Volatility Index (VIX) history with min/max/change statistics. Use the range parameter to control the window (1m, 3m, 6m, 1y, 2y, 5y). Free tier caps at 1 year; Pro extends to 5 years; Enterprise to 20 years.

curl -H "X-API-Key: brd_your_key" \ "https://api.bullrundata.com/api/v1/indicators/VIXCLS/timeseries?range=5y"

Ask Claude via the connector

Installed the BullrunData connector? Paste this into any Claude conversation:

What's the current VIXCLS value, and what does it mean for the market right now?

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Aliases

You can also address this indicator using these shortcuts — the API resolves them to the canonical series ID transparently:

VIX

FAQ

What is VIXCLS?

VIXCLS is the series ID for CBOE Volatility Index (VIX), sourced from CBOE. The VIX measures implied 30-day S&P 500 volatility from options prices. Widely known as the "fear index."

What's the current VIXCLS value?

The most recent reading is 15.46 Index as of August 11, 2026. This page updates hourly, or fetch fresh values via the REST API.

How do I get historical VIXCLS data?

Call GET /api/v1/indicators/VIXCLS/timeseries?range=5y with your API key. Free tier includes 1 year of history; Pro extends to 5 years; Enterprise to 20 years. Historical coverage: 1990-01/...

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Start querying VIXCLS in 30 seconds

Free API key includes 100 calls per day. No credit card required.