# Expiry Breakdown

`GET` `https://api.unusualwhales.com/api/stock/{ticker}/expiry-breakdown`

Returns all expirations for the given trading day for a ticker.


## 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.
 |


## Response (200)

| Field | Type | Description |
|-------|------|-------------|
| `chains` | integer | The total amount of chains for that expiry |
| `expiry` | Option Contract Expiry | The contract expiry date in ISO format. |
| `open_interest` | integer | The total open interest for that expiry |
| `volume` | integer | The total volume for that expiry |


## Example

### curl

```bash
curl -X GET "https://api.unusualwhales.com/api/stock/{ticker}/expiry-breakdown" \
  -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}/expiry-breakdown", headers=headers)
response = conn.getresponse()
print(response.read().decode("utf-8"))
```

## Response Example

```json
{
  "data": [
    {
      "chains": 5000,
      "expiry": "2023-09-07",
      "open_interest": 554,
      "volume": 1566232
    },
    {
      "chains": 50,
      "expiry": "2023-10-20",
      "open_interest": 0,
      "volume": 1532
    },
    {
      "chains": 20,
      "expiry": "2023-11-30",
      "open_interest": 33112,
      "volume": 931
    }
  ]
}
```