---
title: "Validated lead/lag detector"
method: GET
path: "/_api/price_lag"
tags: ["Markets & official data"]
---

# Validated lead/lag detector

`GET /_api/price_lag`

## Request

- Base URL: `https://shadowalpha.online`
- URL: `https://shadowalpha.online/_api/price_lag`
- Auth: none declared

Only relationships that survive Benjamini-Hochberg FDR (5 %) and held-out out-of-sample validation. Fields: leader, follower, lagDays, direction, trainCorr, trainQ, testCorr, testP, zeroLagCorr, stability, windows. Empty when nothing survives.

## Response `200`

Method, sample and surviving signals.

- object

---

[API](https://skmtc.dev/shadowalpha/apis/shadowgraph-api.md) · [All operations](https://skmtc.dev/shadowalpha/apis/shadowgraph-api/llms.txt) · [OpenAPI document](https://skmtc.dev/shadowalpha/apis/shadowgraph-api/revisions/1b62d5453408?raw)