---
title: "Negative-price risk calendar (Home+ full 14 days)"
method: GET
path: "/v1/risk/negative/{zone}"
---

# Negative-price risk calendar (Home+ full 14 days)

`GET /v1/risk/negative/{zone}`

## Request

- Base URL: `https://voltcast.com/api`
- URL: `https://voltcast.com/api/v1/risk/negative/{zone}`
- Auth: HTTP bearer

## Path parameters

- `zone` string, required

## Query parameters

- `days` integer
- `format` 'json' | 'csv'

## Response `200`

P(price < 0) per 15-minute period up to 14 days ahead, with daily aggregates. Brier-scored publicly on /accuracy.

- object

---

[API](https://skmtc.dev/voltcast/apis/voltcast-api.md) · [All operations](https://skmtc.dev/voltcast/apis/voltcast-api/llms.txt) · [OpenAPI document](https://skmtc.dev/voltcast/apis/voltcast-api/revisions/9c39e52e3eed?raw)