---
title: "Market breadth aggregation"
method: GET
path: "/market/breadth"
tags: ["Market"]
---

# Market breadth aggregation

`GET /market/breadth`

## Request

- Base URL: `https://api.signal8.ai/api/v1/public`
- URL: `https://api.signal8.ai/api/v1/public/market/breadth`
- Auth: API key in header `X-Api-Key`

Advance/decline counts and ratio, percent of constituents trading
above the 50-day and 200-day moving averages, and counts of new
52-week highs/lows for a chosen universe (S&P 500, Nasdaq 100, or
all tracked tickers). Point-in-time only — no historical breadth.

**Credit cost: 2**

## Query parameters

- `universe` string

## Response `200`

Market breadth payload

- object

## Other responses

- `400`: Invalid request parameters
- `401`: Missing or invalid API key
- `402`: Not enough credits for this request
- `429`: Rate limit exceeded

---

[API](https://skmtc.dev/signal8/apis/signal8-public-api.md) · [All operations](https://skmtc.dev/signal8/apis/signal8-public-api/llms.txt) · [OpenAPI document](https://skmtc.dev/signal8/apis/signal8-public-api/revisions/5a18ae8d6d58?raw)