---
title: "List Backtest Runs"
method: GET
path: "/api/v1/admin/pricing/backtest-runs"
tags: ["admin-pricing-backtest"]
---

# List Backtest Runs

`GET /api/v1/admin/pricing/backtest-runs`

List historical pricing-engine-v2 backtest runs, newest-first.

Returns an empty list (not 404) when the output directory does not
exist or contains no runs — this is the expected state on a fresh
container before any backtest has been executed.

## Response `200`

Successful Response

- BacktestRunSummary[]
  - `run_id` string, required
  - `created_at` string, date-time, required
  - `parts_processed` integer, required
  - `quotes_processed` integer, required
  - `median_v1_delta_pct` number, nullable, required
  - `median_v2_delta_pct` number, nullable, required
  - `v2_beats_v1` boolean, nullable, required
  - `clean_cohort_size` integer, required

---

[API](https://skmtc.dev/prototyping/apis/prototyping-io-api.md) · [All operations](https://skmtc.dev/prototyping/apis/prototyping-io-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/prototyping/prototyping-io-api/revisions/f4a0079fbb57/schema)