- API
- Stock analytics
- Correlation
Stock analytics API, GET /correlation/{ticker}
How tightly does NVDA track SPY and its sector ETF?
Correlation and beta to SPY and the best-matching sector ETF over one month and one year. Returns one-month and one-year correlation and beta to SPY and to the best sector ETF, with the IV-to-SPY ratio.
The answer, in one call
Units first,
then the request.
Correlations -1 to 1; beta unitless.
Daily returns; best_etf is chosen by fit.
curl -H "Authorization: Bearer avmcp_YOUR_TOKEN" \
"https://apexvol.com/api/mcp/data/correlation/NVDA"import requests
headers = {"Authorization": "Bearer avmcp_YOUR_TOKEN"}
r = requests.get("https://apexvol.com/api/mcp/data/correlation/NVDA", headers=headers)
r.raise_for_status()
data = r.json()["data"]
print(data["best_etf"])What is NVDA's beta and correlation to SPY?
The assistant calls get_ticker_analytics and answers from the JSON below.{
"success": true,
"data": {
"best_etf": "XLK",
"beta": {
"beta_1m": 3.08,
"beta_1y": 1.93
},
"correlations": {
"etf_1m": 0.52,
"etf_1y": 0.27,
"spy_1m": 0.49,
"spy_1y": 0.41
},
"iv_spy_ratio": 2.7984,
"price": 230.3,
"sector": "Technology",
"ticker": "NVDA"
}
}Every response is wrapped as {"success": true, "data": {...}}. Lists in the sample are cut to a few rows so it fits on a page; the shape is exactly what your code receives.
Parameters
Bounded,
and the bounds are stated.
Out-of-range numbers are clamped to the documented range, never silently changed to something else. A missing required field returns 400 with the reason.
| Name | In | Default | Range | Meaning |
|---|---|---|---|---|
ticker required | path | any covered symbol | The underlying, upper case. Use /search to check coverage. |
Field by field
What each
number means.
correlations.spy_1m, spy_1y, etf_1m, etf_1y- The correlations.
beta.beta_1m, beta_1y- The betas.
best_etf, sector, iv_spy_ratio- Context.
Access, limits, errors
Before the
first call.
- Plan
- Premium Premium and above. Tokens are issued to paid and trial accounts from $55 a month; each endpoint follows the tier of its web feature. An endpoint above your plan answers 402 and names the plan it needs.
- Auth
- Bearer token, prefix
avmcp_, created under Account, then API Access. Shown once, hashed at rest, rotates in one click. Always callhttps://apexvol.com, never www. - Limits
- 60 requests a minute and 1,000 an hour per token, plus a monthly allowance by plan. Every response carries the remaining counts in
X-RateLimit-*headers; a 429 carriesRetry-Afterin seconds. - Errors
401no or revoked token;429Retry-After seconds;403Premium plan required;424data feed unavailable, retry. The full list with payload shapes is on the errors page.- Since
- API 1.0. Units, bases and timestamps follow the conventions shared by every endpoint; changes are logged in the API changelog.
- Machine-readable
- This page as Markdown, the family as one file, the whole API as llms-full.txt or OpenAPI 3.1.
The same data, in plain English
Ask for it
in an MCP client.
Connect the ApexVol MCP server and the assistant calls get_ticker_analytics by name. One URL, a sign-in, no token to paste.
What is NVDA's beta and correlation to SPY?
YouWhich ETF tracks AMD best?
YouHas AAPL's correlation to the market dropped this month?
More in the prompt library. Set the server up in Claude Desktop, Claude Code, Cursor, ChatGPT, VS Code, Windsurf or Gemini CLI.
Included with
every paid plan.
From $55 a month, tier-matched: your token queries the data your plan includes and Pro unlocks the full surface.
Real market data, not a sandbox. See it live on AAPL.