- API
- Earnings and expected move
- Expected move
Earnings and expected move API, GET /expected-move/{ticker}
How much does the market expect NVDA to move by the next expiration?
The straddle-implied expected move in dollars and percent, with bounds. Returns the expected move to the chosen expiration from the ATM straddle, as dollars and percent of spot, with the upper and lower bounds and the days to expiry.
The answer, in one call
Units first,
then the request.
expected_move_dollars and the bounds in dollars; expected_move_percent in percent.
ATM straddle price (call plus put) at the strike nearest spot. Skips a same-day expiry unless asked.
curl -H "Authorization: Bearer avmcp_YOUR_TOKEN" \
"https://apexvol.com/api/mcp/data/expected-move/NVDA"import requests
headers = {"Authorization": "Bearer avmcp_YOUR_TOKEN"}
r = requests.get("https://apexvol.com/api/mcp/data/expected-move/NVDA", headers=headers)
r.raise_for_status()
data = r.json()["data"]
print(data["expected_move_dollars"])What is the expected move for NVDA by Friday?
The assistant calls calculate_expected_move and answers from the JSON below.{
"success": true,
"data": {
"dte": 1,
"expected_move_dollars": 5.58,
"expected_move_percent": 2.42,
"expiration": "2026-09-09",
"lower_bound": 224.73,
"stock_price": 230.3,
"ticker": "NVDA",
"upper_bound": 235.88
}
}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. | |
expiration | query | nearest | YYYY-MM-DD, a listed expiration | Which expiration to use. Defaults to the nearest one. |
Field by field
What each
number means.
expected_move_dollars, expected_move_percent- The move.
upper_bound, lower_bound- Spot plus and minus the move.
expiration, dte, stock_price- 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 calculate_expected_move by name. One URL, a sign-in, no token to paste.
What is the expected move for NVDA by Friday?
YouHow much move is priced into AAPL for the October expiration?
YouGive me the one-week expected move on SPY in dollars.
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.