# CryptoMacro Implied Volatility Index (BTC & ETH)

> CryptoMacro Implied Volatility Index (BTC & ETH) is a paid API for AI agents from asistent-crypto.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Returns the 30-day implied volatility index for BTC and ETH, including its monthly percentile rank and expected price move over 1, 7, and 30 days.

## Facts

- Endpoint: POST https://asistent-crypto.vercel.app/api/x402/data/implied-volatility
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/cryptomacro-implied-volatility-index-btc-eth-2adea27d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Ly6snLVC_6JkMJU399Gl7

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 cryptomacro-implied-volatility-index-btc-eth-2adea27d -d '<json body>'
```

Example prompt: What is the current implied volatility for BTC and ETH — give me the 30-day IV index, where it sits as a percentile over the last month, and the expected price move over 1, 7, and 30 days so I can tell if hedging is cheap or expensive right now.

## When to prefer this

Use this endpoint when you need to assess options-market-derived volatility expectations for BTC or ETH — specifically to determine if hedging is cheap or expensive relative to recent history, or to understand how much price movement is already priced in. Prefer this over funding-rate endpoints when the question is about options/vol pricing rather than perpetual futures crowding. Ideal for pre-trade regime checks, options strategy sizing, or macro volatility monitoring dashboards.

## Known failure modes

- Options data source unavailable — may return stale or null IV values
- Invalid or unsupported asset symbol — endpoint focuses on BTC and ETH only
- Payment failure or x402 authentication error — call rejected before data is returned
- Rate limit or upstream API timeout — returns error with no volatility data

## How this service works

What the options market expects price to do, not what leverage is doing: the 30-day implied volatility index for BTC and ETH, with its percentile over the last month and the expected move in percent over 1, 7 and 30 days. Funding tells you who is crowded; this tells you how much movement is already priced in — and whether hedging is cheap or expensive relative to where it has been.

## Output

Returns the 30-day implied volatility index value for BTC and ETH, the IV percentile rank over the trailing month (indicating whether current vol is historically cheap or expensive), and the expected percentage price move over 1, 7, and 30-day horizons derived from options market pricing.

## 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",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "required": [],
     "properties": {}
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object"
    }
   },
   "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/cryptomacro-implied-volatility-index-btc-eth-2adea27d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from asistent-crypto.vercel.app](https://www.zero.xyz/host/asistent-crypto.vercel.app/llms.txt)