# IV Rank

`GET` `https://api.unusualwhales.com/api/stock/{ticker}/iv-rank`

Returns the IV rank data for a ticker over a period of time.
IV rank is a measure of where current implied volatility stands relative to its historical range.


## Authentication

```
Authorization: Bearer YOUR_API_KEY
```

## Path Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `ticker` | SingleTicker | Yes | A single ticker |

## Query Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `date` | Optional Market Date | No | A trading date in the format of YYYY-MM-DD.
This is optional and by default the last trading date.
 |
| `timespan` | OptionalTimespan | No | Optional timespan parameter that can be used to specify a date range. Accepts values like '1y', '6m', '3m', '1m', '1w' or an ISO date (example: 2024-01-25). |


## Response (200)

| Field | Type | Description |
|-------|------|-------------|
| `close` | Stock Close Price | The close stock price of the ticker. |
| `date` | Market General Trading day | A trading date in ISO format.
 |
| `iv_rank_1y` | Market General IV Rank | The IV rank value, which represents where current implied volatility stands relative to its historical range. |
| `updated_at` | General UTC Timestamp | A UTC timestamp. |
| `volatility` | Market General Volatility | The implied volatility value. |


## Example

### curl

```bash
curl -X GET "https://api.unusualwhales.com/api/stock/{ticker}/iv-rank" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"
```

### Python

```python
import http.client

conn = http.client.HTTPSConnection("api.unusualwhales.com")
headers = {"Authorization": "Bearer YOUR_API_KEY", "Accept": "application/json"}
conn.request("GET", "/api/stock/{ticker}/iv-rank", headers=headers)
response = conn.getresponse()
print(response.read().decode("utf-8"))
```

## Response Example

```json
{
  "data": [
    {
      "close": "180.50",
      "date": "2024-01-22",
      "iv_rank_1y": "0.65",
      "updated_at": "2024-01-22T16:35:52.168490Z",
      "volatility": "0.25"
    },
    {
      "close": "181.25",
      "date": "2024-01-23",
      "iv_rank_1y": "0.72",
      "updated_at": "2024-01-23T16:35:52.168490Z",
      "volatility": "0.28"
    }
  ]
}
```