Merck (MRK) Historical Stock Data

Download daily and 1-minute OHLCV historical price data for Merck (MRK) as CSV, covering 2009-11-05 to 2026-06-26. Every row carries both unadjusted and split/dividend-adjusted prices. This ticker is delisted; its full price history is frozen and included, which is exactly what survivorship-bias-free backtests need.

Status (record 1 of 2)	Active · type CS
Coverage	2009-11-05 to 2026-06-26
Daily bars file size	407 KB
1-minute file size (regular + extended)	313.4 MB

Status (record 2 of 2)	Delisted (last data 2009-11-04) · type CS
Coverage	2003-11-03 to 2009-11-04
Daily bars file size	145 KB
1-minute file size (regular + extended)	115.9 MB

Options data is also available for MRK (1080 contracts on the latest options day, 2026-07-02) — see the options dataset.

MRK is included in the full U.S. stock dataset — a one-time purchase (daily bars $299, 1-minute bars $399) delivered as CSV, not a per-ticker charge. Verify the format with a free sample first, then buy the archive that fits your research.

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Coverage shown is current as of 2026-06-19; the stock bundle is rebuilt every Saturday (U.S. Eastern). Live dataset dates: /api/status.