Options chain API endpoint

The answer, in one call

Units first,
then the request.

Prices are dollars per share. IV Call and IV Put are decimals (0.2569 means 25.69%). Greeks are per share; volume and OI are contracts.

Quotes are the parity-implied bid and ask from the data feed, not exchange NBBO. Spot is the nearest expiration's forward-implied price.

curlBearer token from Account, then API Access

curl -H "Authorization: Bearer avmcp_YOUR_TOKEN" \
     "https://apexvol.com/api/mcp/data/chain/NVDA?num_expirations=1"

Pythonrequests, nothing else

import requests

headers = {"Authorization": "Bearer avmcp_YOUR_TOKEN"}
params = {"num_expirations": "1"}
r = requests.get("https://apexvol.com/api/mcp/data/chain/NVDA", headers=headers, params=params)
r.raise_for_status()
data = r.json()["data"]
print(data["stock_price"])

In Claude, Cursor or ChatGPTthrough the MCP server, no code

You

Show me the NVDA options chain for the nearest expiration.

The assistant calls get_options_chain and answers from the JSON below.

ticker *any covered symbol

expirationYYYY-MM-DD, a listed expiration

num_expirations1 to 10

strikes_around0 for the full chain

Tokens come with every paid or trial plan. Sign in and create one under Account, then API Access, or start a trial. Your ticker, your budget.

GET /api/mcp/data/chain/NVDA?num_expirations=1200, application/json, captured 2026-09-08

{
  "success": true,
  "data": {
    "chains": {
      "2026-09-09": [
        {
          "Call Ask": 4.55,
          "Call Bid": 4.45,
          "Delta Call": 0.6607,
          "Delta Put": -0.3393,
          "Epsilon Call": -0.0208,
          "Epsilon Put": -0.0208,
          "Extrinsic Call": 1.7,
          "Extrinsic Put": 1.62,
          "Gamma Call": 0.0509,
          "Gamma Put": 0.0509,
          "IV Call": 0.266,
          "IV Put": 0.2645,
          "IVx Call": 0.7382,
          "IVx Put": 1.9192,
          "OI Call": 5032,
          "OI Put": 1774,
          "Put Ask": 1.64,
          "Put Bid": 1.61,
          "Rho Call": 0.0202,
          "Rho Put": -0.0109,
          "Strike": 227.5,
          "Theta Call": -0.2734,
          "Theta Put": -0.2734,
          "Vega Call": 0.1003,
          "Vega Put": 0.1003,
          "Volume Call": 5829,
          "Volume Put": 17517
        },
        {
          "Call Ask": 3.0,
          "Call Bid": 2.92,
          "Delta Call": 0.5266,
          "Delta Put": -0.4734,
          "Epsilon Call": -0.0166,
          "Epsilon Put": -0.0166,
          "Extrinsic Call": 2.66,
          "Extrinsic Put": 2.62,
          "Gamma Call": 0.0568,
          "Gamma Put": 0.0568,
          "IV Call": 0.258,
          "IV Put": 0.2594,
          "IVx Call": 1.155,
          "IVx Put": 1.2679,
          "OI Call": 20341,
          "OI Put": 1454,
          "Put Ask": 2.65,
          "Put Bid": 2.58,
          "Rho Call": 0.0162,
          "Rho Put": -0.0153,
          "Strike": 230.0,
          "Theta Call": -0.2871,
          "Theta Put": -0.2871,
          "Vega Call": 0.1074,
          "Vega Put": 0.1074,
          "Volume Call": 34581,
          "Volume Put": 35665
        },
        {
          "Call Ask": 1.85,
          "Call Bid": 1.81,
          "Delta Call": 0.3856,
          "Delta Put": -0.6144,
          "Epsilon Call": -0.0122,
          "Epsilon Put": -0.0122,
          "Extrinsic Call": 1.83,
          "Extrinsic Put": 1.75,
          "Gamma Call": 0.0552,
          "Gamma Put": 0.0552,
          "IV Call": 0.2561,
          "IV Put": 0.254,
          "IVx Call": 1.7499,
          "IVx Put": 0.7599,
          "OI Call": 7568,
          "OI Put": 226,
          "Put Ask": 4.0,
          "Put Bid": 3.9,
          "Rho Call": 0.0119,
          "Rho Put": -0.0199,
          "Strike": 232.5,
          "Theta Call": -0.2719,
          "Theta Put": -0.2719,
          "Vega Call": 0.1021,
          "Vega Put": 0.1021,
          "Volume Call": 46211,
          "Volume Put": 24057
        }
      ]
    },
    "data_type": "LIVE",
    "expirations": [
      "2026-09-09"
    ],
    "stock_price": 230.3,
    "strike_window": {
      "note": "Chain trimmed to strikes nearest the money; pass strikes_around=0 for the full chain.",
      "strikes_around": 20,
      "truncated": true
    },
    "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.
`expiration`	query	nearest	YYYY-MM-DD, a listed expiration	Which expiration to use. Defaults to the nearest one.
`num_expirations`	query	1	1 to 10	How many expirations when expiration is not set.
`strikes_around`	query	20	0 for the full chain	Strikes per side of the money to keep.

Field by field

What each
number means.

chains.<expiration>[]: Rows keyed by expiration date.
Strike, Call Bid, Call Ask, Put Bid, Put Ask: The quotes.
IV Call, IV Put: Per-contract implied vol as a decimal.
Delta Call, Gamma Call, Theta Call, Vega Call, and the Put twins: Per-share Greeks.
Volume and OI columns: Contracts traded today and open.
stock_price, strike_window: Spot used and how the rows were trimmed.

Access, limits, errors

Before the
first call.

Plan: Basic Basic 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 call https://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 carries Retry-After in seconds.
Errors: 401 no or revoked token; 429 Retry-After seconds; 424 data 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_options_chain by name. One URL, a sign-in, no token to paste.

Prompts that hit this endpointcopy one into Claude, Cursor or ChatGPT

You

Show me the NVDA options chain for the nearest expiration.

You

What are the 30-delta strikes on AAPL for October?

You

Pull the SPY chain with 5 strikes either side of spot.

More in the prompt library. Set the server up in Claude Desktop, Claude Code, Cursor, ChatGPT, VS Code, Windsurf or Gemini CLI.

Options chain APIEvery strike, calls and puts side by side, with quotes, per-contract IV, the Greeks, volume and open interest already on the row. Live today, or as it was priced on any past trading day. How to Read an Options Chain: Full GuideHow to read an options chain: calls, puts, strikes, bid-ask, volume, open interest and implied volatility explained, with a worked example. get_options_chain in an MCP clientPrompts for Claude, Cursor and ChatGPT that call this tool.

Included with
every paid plan.

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Real market data, not a sandbox. See it live on AAPL.

What does NVDA's options chain look like near the money for the nearest expiration?

Units first,then the request.

Bounded,and the bounds are stated.

What eachnumber means.

Before thefirst call.

Ask for itin an MCP client.

The rest of the family,and the explainer behind it.

Included withevery paid plan.