# Options Chain & IV

> Options Chain & IV is a paid API for AI agents from www.x402financialdata.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Fetches full options chain (calls and puts across all strikes) with implied volatility, volume, open interest, and put/call ratio for a given stock ticker from Yahoo Finance data

## Facts

- Endpoint: GET https://www.x402financialdata.com/options/:ticker
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/options-chain-iv-db32aaf1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jg-xNJntjWIWKe31b6r1b

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability options-chain-iv-db32aaf1
```

Example prompt: Pull up the full options chain for TSLA — I want to see all strikes with implied volatility, volume, open interest, and the put/call ratio for the nearest expiration.

## When to prefer this

Use this endpoint when you need comprehensive options chain data including implied volatility skew, open interest distribution, and put/call ratios from real Yahoo Finance data. Prefer this over generic stock quote endpoints when the user is specifically analyzing options positioning, volatility surface, or derivatives sentiment. It's the go-to for options traders who need all strikes in one call rather than querying individual contracts.

## Known failure modes

- Invalid or unrecognized ticker symbol returns an error
- Requested expiration date not available — falls back to nearest or returns error
- Market closed or data delay may result in stale IV/volume figures
- Rate limiting or payment failure if x402 payment is not properly handled

## How this service works

Options chain with calls and puts, all strikes, implied volatility, volume, open interest, and put/call volume ratio from real Yahoo Finance data. Supports optional expiration date selection (defaults to nearest). Essential for options traders analyzing volatility skew and positioning. $0.005/call.

## Output

Returns a complete options chain for the requested ticker including separate call and put tables with all available strikes, each showing the implied volatility, bid/ask, volume, open interest, and last price. Also includes the aggregate put/call volume ratio and the selected expiration date.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object",
     "required": [
      "ticker"
     ],
     "properties": {
      "ticker": {
       "type": "string",
       "description": "Stock ticker symbol, e.g. AAPL, TSLA, MSFT"
      }
     }
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {
      "expiration": {
       "type": "string",
       "format": "date",
       "description": "Options expiration date, e.g. 2026-07-27. Defaults to the nearest available expiration."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/options-chain-iv-db32aaf1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from www.x402financialdata.com](https://www.zero.xyz/host/www.x402financialdata.com/llms.txt)