About Signal Cat
Signal Cat builds proprietary data products from primary sources for systematic and fundamental investors. We combine deep data engineering expertise with institutional market understanding to deliver high-quality, backtestable datasets.
Signal Cat is the alternative data arm of Tabby Stack, a data engineering consultancy specializing in the modern data stack.
2,800+
Companies tracked
4x daily
Data refreshes
7
Role categories
50+
Data projects delivered
Built by
Steven Pisani
Founder · Signal Cat
Steven Pisani founded Signal Cat after 10+ years building production data systems, beginning at Susquehanna International Group (SIG) — one of the world's largest quantitative trading firms. That experience shaped a core belief: the best investment signals come from proprietary data collected at the source, not from repackaged third-party feeds.
Operational Structure
All Signal Cat data pipelines are fully automated, monitored, and version-controlled. Collection, transformation, and delivery run through 30+ dbt models with automated data quality checks at every stage. Uptime and data freshness are not dependent on manual intervention — the system is designed to operate independently and reliably.