> ## Documentation Index
> Fetch the complete documentation index at: https://docs.beliefstate.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# refresh_market_data

> Refresh market context

**Refresh market context** · \$0.02 per call (x402, USDC)

Explicitly refresh missing or stale market data for one current company or subject, then return its research brief.

## Input parameters

| Parameter | Type | Required | Description |
| - | - | - | - |
| `ticker` | string | No | min length 1; max length 32 |
| `entity_id` | string | No | Released subject ID returned by search\_entities. |

## Transports

* **MCP:** `tools/call` with name `refresh_market_data` at `https://beliefstate.ai/mcp` (account access) or the wallet-paid x402 MCP server. See [MCP integration](https://docs.beliefstate.ai/guides/mcp-server.md).
* **x402 HTTP:** `POST https://beliefstate.ai/v1/research/refresh_market_data` with the arguments as a JSON body. An unpaid request returns an HTTP 402 payment quote.
* **Related REST resource:** [`GET /v1/brief`](https://docs.beliefstate.ai/api-reference/brief/get-an-evidence-backed-research-brief-for-a-ticker).

## Example request

### MCP

```json theme={null}
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "refresh_market_data",
    "arguments": {
      "ticker": "NBIS"
    }
  }
}
```

### x402 HTTP

```bash theme={null}
curl --request POST \
  --url 'https://beliefstate.ai/v1/research/refresh_market_data' \
  --header 'Content-Type: application/json' \
  --data '{"ticker":"NBIS"}'
```

The example shows request shape only. Identifiers are placeholders, not records.

## Related

* [All research tools](https://docs.beliefstate.ai/tools/index.md)
* [API reference: GET /v1/brief](https://docs.beliefstate.ai/api-reference/brief/get-an-evidence-backed-research-brief-for-a-ticker.md)


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