# Unusual Trades Chart Data

`GET` `https://api.unusualwhales.com/api/congress/unusual-trades/chart-data`

Returns trade points (with price context) and SPY daily closes over the requested date range,
suitable for plotting congressional trade activity against the broader market.
Defaults to the last ~4 months when no range is supplied.

This is a premium endpoint. Contact dev@unusualwhales.com to request access.



## Authentication

```
Authorization: Bearer YOUR_API_KEY
```

## Query Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `date_from` | string | No | Inclusive lower bound on transaction_date (ISO 8601). |
| `date_to` | string | No | Inclusive upper bound on transaction_date (ISO 8601). |


## Response (200)

| Field | Type | Description |
|-------|------|-------------|
| `spy_prices` | array[SPY Daily Close] |  |
| `trades` | array[Unusual Trade Chart Point] |  |


## Example

### curl

```bash
curl -X GET "https://api.unusualwhales.com/api/congress/unusual-trades/chart-data" \
  -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/congress/unusual-trades/chart-data", headers=headers)
response = conn.getresponse()
print(response.read().decode("utf-8"))
```

## Response Example

```json
{
  "spy_prices": [
    {
      "close": 0.0,
      "date": "string"
    }
  ],
  "trades": [
    {
      "amount": "string",
      "asset_type": "stock",
      "company_name": "NVIDIA Corp",
      "filing_date": "string",
      "id": "string"
    }
  ]
}
```