Prices · REST · MCP · Parquet

Stock price API Daily OHLCV, raw or adjusted, with delisted names kept in.

Daily open, high, low, close and volume for US equities and ETFs, served raw as traded, split-adjusted or total-return. Delisted, bankrupt and acquired names stay in the dataset, so a backtest can hold the companies that failed.

Fig. 01 — Lehman Brothers · raw close, as traded2008-09-08 → 2008-09-16
SessionClose, raw
2008-09-0814.15
2008-09-097.79
2008-09-107.25
2008-09-114.22
2008-09-123.65
2008-09-150.21
2008-09-160.30
GET /api/v1/prices/LEH?start=2008-09-08&end=2008-09-16&adjustment=raw→ 7 rows, adjustment=raw

Delisted names stay in the dataset. Lehman's raw closes, as traded: 14.15 on 2008-09-08, 0.21 on 2008-09-15. Its tape runs 2,715 sessions, from 1997-12-31 to 2008-10-15. Reading it back to 2008 takes the Quant plan's full history.

Receipt
GET /api/v1/prices/LEH?start=2008-09-08&end=2008-09-16&adjustment=raw source end-of-day market data, raw as traded tier quant captured 2026-10-11T04:32:55Z
01 / What you get

Raw, split-adjusted or total-return

Chosen per request with adjustment=raw | split_adjusted | total_return.

Delisted names stay in the dataset

Bankrupt and acquired companies stay in the dataset.

Labelled or withheld

A print we can't confirm as traded is labelled or withheld.

Three ways in

REST and MCP on every plan; bulk Parquet files on Quant.

02 / Plans

Start with a free key.

Free tier to evaluate, then $19/mo Developer or $79/mo Quant. The REST API and the native MCP server on every plan; bulk Parquet on Quant.