- API
- Events and calendars
- Seasonality
Events and calendars API, GET /seasonality/{ticker}
Which months have historically been strongest and weakest for NVDA?
Average and median returns and volatility by month and quarter. Returns per-month and per-quarter average and median returns with the sample size and volatility over the requested years, plus the best and worst months.
The answer, in one call
Units first,
then the request.
Returns and volatility in percent.
Monthly close-to-close returns over analysis_years.
curl -H "Authorization: Bearer avmcp_YOUR_TOKEN" \
"https://apexvol.com/api/mcp/data/seasonality/NVDA"import requests
headers = {"Authorization": "Bearer avmcp_YOUR_TOKEN"}
r = requests.get("https://apexvol.com/api/mcp/data/seasonality/NVDA", headers=headers)
r.raise_for_status()
data = r.json()["data"]
print(data["best_month"])What is NVDA's seasonality by month?
The assistant calls get_earnings_move_analysis and answers from the JSON below.{
"success": true,
"data": {
"analysis_years": 3,
"best_month": 5,
"monthly_seasonality": {
"1": {
"avg_return_pct": 0.2741,
"median_return_pct": 0.471,
"month": 1,
"sample_size": 61,
"volatility_pct": 3.4418
},
"2": {
"avg_return_pct": 0.4343,
"median_return_pct": 0.3508,
"month": 2,
"sample_size": 58,
"volatility_pct": 3.6276
},
"3": {
"avg_return_pct": 0.0074,
"median_return_pct": 0.1223,
"month": 3,
"sample_size": 63,
"volatility_pct": 3.0692
},
"4": {
"avg_return_pct": 0.2274,
"median_return_pct": 0.2521,
"month": 4,
"sample_size": 64,
"volatility_pct": 4.0456
},
"5": {
"avg_return_pct": 0.8471,
"median_return_pct": 0.4241,
"month": 5,
"sample_size": 63,
"volatility_pct": 2.6655
},
"6": {
"avg_return_pct": 0.4123,
"median_return_pct": 0.3537,
"month": 6,
"sample_size": 60,
"volatility_pct": 2.7239
},
"7": {
"avg_return_pct": 0.1496,
"median_return_pct": 0.2925,
"month": 7,
"sample_size": 66,
"volatility_pct": 3.1089
},
"8": {
"avg_return_pct": 0.1925,
"median_return_pct": -0.0426,
"month": 8,
"sample_size": 64,
"volatility_pct": 3.0437
},
"9": {
"avg_return_pct": 0.1875,
"median_return_pct": 0.2386,
"month": 9,
"sample_size": 59,
"volatility_pct": 2.6006
},
"10": {
"avg_return_pct": 0.1858,
"median_return_pct": 0.5626,
"month": 10,
"sample_size": 68,
"volatility_pct": 2.431
},
"11": {
"avg_return_pct": 0.0999,
"median_return_pct": 0.3984,
"month": 11,
"sample_size": 60,
"volatility_pct": 2.3957
},
"12": {
"avg_return_pct": 0.1453,
"median_return_pct": 0.2031,
"month": 12,
"sample_size": 63,
"volatility_pct": 1.8841
}
},
"quarterly_seasonality": {
"1": {
"avg_return_pct": 0.2328,
"median_return_pct": 0.364,
"quarter": 1,
"sample_size": 182,
"volatility_pct": 3.3659
},
"2": {
"avg_return_pct": 0.4955,
"median_return_pct": 0.2593,
"quarter": 2,
"sample_size": 187,
"volatility_pct": 3.2147
},
"3": {
"avg_return_pct": 0.176,
"median_return_pct": 0.2371,
"quarter": 3,
"sample_size": 189,
"volatility_pct": 2.9211
},
"4": {
"avg_return_pct": 0.1455,
"median_return_pct": 0.3515,
"quarter": 4,
"sample_size": 191,
"volatility_pct": 2.2418
}
},
"success": true,
"ticker": "NVDA",
"timestamp": "2026-09-08T08:07:50.837273",
"worst_month": 3
}
}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. | |
years | query | 3 | 1 to 10 | History length. |
Field by field
What each
number means.
monthly_seasonality.<month>.avg_return_pct, median_return_pct, volatility_pct, sample_size- Per month.
quarterly_seasonality.<quarter>- Per quarter.
best_month, worst_month- The extremes.
Access, limits, errors
Before the
first call.
- Plan
- Pro Pro 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;403Pro 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_earnings_move_analysis by name. One URL, a sign-in, no token to paste.
What is NVDA's seasonality by month?
YouIs September usually weak for SPY?
YouWhich quarter has been best for AAPL over 5 years?
More in the prompt library. Set the server up in Claude Desktop, Claude Code, Cursor, ChatGPT, VS Code, Windsurf or Gemini CLI.
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