WARN Act notices are unique in finance: they're legally mandated 60-day advance warnings of mass layoffs. Unlike earnings reports (backward-looking) or analyst estimates (speculative), WARN filings are commitments — companies that file them are legally obligated to follow through. For institutional investors, this creates an actionable information edge.
Why WARN Data Matters for Investors
A surge of WARN notices in a sector is one of the strongest leading indicators of earnings deterioration. Consider the timeline:
- Day 0: Company files WARN notice (public record, but scattered across 50 state websites)
- Day 30-60: Restructuring charges hit the income statement
- Day 60-90: Earnings miss, guidance cuts, analyst downgrades
- Day 90-180: Stock price adjusts to new reality
Investors who monitor WARN filings in real-time have a 60-90 day head start on the market consensus.
Cross-Referencing WARN with SEC 8-K Filings
The signal gets stronger when you cross-reference WARN notices with SEC 8-K filings (Item 2.05 — restructuring costs). When the same company appears in both datasets within a 90-day window, the probability of further distress rises dramatically.
WARN Firehose's Risk Signal engine automates this cross-reference, scanning all 6 federal datasets daily and computing a 0-100 distress score for every company in the database.
Sector Rotation Signals
WARN data also reveals sector-level trends before they appear in BLS reports. When multiple unrelated companies in the same NAICS sector file WARN notices across different states simultaneously, it signals systemic industry distress — not just a single company's problem.
Our Industry Domino Index tracks these cascading patterns in real-time, flagging sectors where layoffs are spreading across state lines.
Getting Started
WARN Firehose provides a REST API with endpoints for real-time layoff search, risk signal scores, and SEC/bankruptcy cross-reference. The free tier includes 25 API calls/day — enough to evaluate the data before committing to a paid plan.
For quantitative teams, data is available in Parquet format for direct integration with Python, Spark, or your analytics pipeline.
Start exploring WARN data for your portfolio
Learn about our alternative data API or get a free API key to start querying today.