Immutable data. Exactly when you need it.
Dark Tower Data is an independent U.S.-based market data publisher. We are not affiliated with any other company of a similar name. We publish audit-ready OHLCV datasets with repeatable builds and SHA-256 manifests.
Start with evaluation. Download today’s ZIP + manifest from /data.html, verify the SHA-256, and decide if the pipeline fits your research workflow.
Built for developers, quants, and traders who are tired of fixing their data before they can use it. No missing candles. No silent rewrites. No guesswork. Daily immutable ZIP packages with SHA-256 manifests — versioned, transparent, and audit-ready.
- Algo traders building automated systems
- Developers tired of fixing broken datasets
- Quants needing reproducible results
- Anyone who wants data they can trust without debugging
Verify in 30 seconds: download ZIP + manifest → compute SHA-256 → confirm match.
Immutable bundles
Daily immutable ZIP + SHA-256 manifest — verify fast, trust the artifact.
Canonical paths
Predictable paths — ingest once, automate forever. No surprise formats.
Truth-first ops
Integrity-first operations — public status, visible audits, and no silent rewrites.