---
title: "Aggregate disclosed short % for a UK stock"
method: GET
path: "/api/v1/fca/shorts/aggregate/{isin}"
tags: ["Hedge Fund Intelligence"]
---

# Aggregate disclosed short % for a UK stock

`GET /api/v1/fca/shorts/aggregate/{isin}`

Sum of disclosed short positions across all current holders for a single ISIN, plus the count of distinct holders. Useful as a single-number short-pressure metric.

## Path parameters

- `isin` string, required

## Response `200`

Aggregate disclosed short % + holder count for the ISIN.

- EnvelopeFcaAggregateRow
  - `data` FcaAggregateRow, required
    - `isin` string, required
    - `issuer` string, required
    - `total_short_pct` number, required — Sum of disclosed short % across all current holders.
    - `holder_count` integer, required
    - `as_of` string, required — Most recent position_date among the contributing rows.
  - `meta` SugraMeta, required — Metadata attached to every /api/v1/* response envelope.
    - `endpoint` string, required — Requested endpoint path.
    - `data_time` string, required — ISO 8601 UTC timestamp of the source data, not of the request.
    - `response_time` string, required — ISO 8601 UTC timestamp when this response was produced.
    - `provider` string, required — API name and version.
    - `source` string, nullable — Identifier of the primary upstream source used for this response.
    - `attribution` string, nullable — Human-readable attribution mandated by an upstream source (e.g. a securities regulator or self-regulatory organization). Present only on responses whose source requires the owner and source to be clearly identified. Do not remove or alter it when using the response.
    - `fallback_used` boolean, nullable — True when the primary source failed and a fallback produced the data.
    - `fallback_chain` string[], nullable — Ordered list of sources attempted, in the order they were tried.
    - `cached` boolean, nullable — True when this response was served from the internal cache.
    - `stale` boolean, nullable — True when the cached response was returned after the upstream rate-limited or errored. Clients can use this to detect degraded data.

## Other responses

- `401` — Missing or invalid `x-api-key` header.
- `422` — Validation Error
- `429` — Daily rate limit exceeded. Check `X-RateLimit-Reset` for the next window.
- `503` — Upstream source is temporarily unavailable. Retry after a short delay.

---

[API](https://skmtc.net/sugra/apis/sugra-api.md) · [All operations](https://skmtc.net/sugra/apis/sugra-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sugra/sugra-api/versions/4e2740743eb4/schema)