# Inflow & Outflow

`GET` `https://api.unusualwhales.com/api/etfs/{ticker}/in-outflow`

Returns an ETF's inflow and outflow.
Defaults to the last year of data. Maximum date range is 3 years.


## Authentication

```
Authorization: Bearer YOUR_API_KEY
```

## Path Parameters

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

## Query Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `start_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.
 |
| `end_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 |
|-------|------|-------------|
| `change` | Etf Share Change | The net in/outflow measured as volume. |
| `change_prem` | Etf Premium Change | The net in/outflow measured as premium. |
| `close` | Stock Close Price | The close stock price of the ticker. |
| `date` | General ISO Date | An ISO date. |
| `is_fomc` | Is FOMC Date | If the date has an FOMC announcement. |
| `volume` | Stock Day Stock Volume | The volume of the ticker for the trading day. |


## Example

### curl

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

## Response Example

```json
{
  "data": [
    {
      "change": -50,
      "change_prem": "-12000.0",
      "close": "236.16",
      "date": "2024-10-02",
      "is_fomc": false,
      "volume": 592342
    },
    {
      "change": 100,
      "change_prem": "23500.0",
      "close": "235.12",
      "date": "2024-10-01",
      "is_fomc": false,
      "volume": 602342
    }
  ]
}
```