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README.md

@@ -37,7 +37,7 @@ No market prices or equity trading data are included, eliminating survivorship b
 
 ## Supported Tasks
 
-- **Tabular Classification**: Predict financial distress, value creation, fundamental improvement
+- **Tabular Classification**: Predict financial distress, bankruptcy, value creation, fundamental improvement
 - **Tabular Regression**: Predict quality scores (f_score, z_prime_score, composite_quality_score), growth rates
 - **Anomaly Detection**: Identify companies in financial distress or with QA anomalies
 
@@ -50,9 +50,9 @@ No market prices or equity trading data are included, eliminating survivorship b
 | train | 221,779 | 11,786 | 2008-12-31 to 2019-12-31 |
 | validation | 45,109 | 7,207 | 2020-01-31 to 2021-12-31 |
 | test | 47,334 | 7,208 | 2022-01-31 to 2023-12-31 |
-| recent | 38,171 | 6,358 | 2024-01-31 to 2025-11-30 |
+| recent | 43,288 | 6,507 | 2024-01-31 to 2026-02-28 |
 
-**Total records:** 352,393
+**Total records:** 357,510
 
 ### Feature Groups
 
@@ -78,18 +78,18 @@ No market prices or equity trading data are included, eliminating survivorship b
 
 ## Target Columns
 
-19 forward-looking prediction targets using same-quarter year-over-year comparisons:
+21 forward-looking prediction targets using same-quarter year-over-year comparisons:
 
 ### 1-Year Targets
 - **Growth rates** (6): BVPS, equity, earnings, revenue, OCF, FCF growth
 - **Level/delta** (2): Forward ROE, margin expansion
-- **Binary** (4): ROA improved, fundamentals improved (≥3 of 5 metrics), value created (equity grew AND ROE>0), survived
+- **Binary** (5): ROA improved, fundamentals improved (≥3 of 5 metrics), value created (equity grew AND ROE>0), survived (filed Q+4 AND no bankruptcy in window), filed for bankruptcy (petition within 365 days)
 
 ### 2-Year Targets
 - **Growth rates** (6): Same metrics as 1-year, over 2-year horizon
-- **Binary** (1): Survived 2 years
+- **Binary** (2): Survived (filed Q+8 AND no bankruptcy in window), filed for bankruptcy (petition within 730 days)
 
-All targets are null when forward quarter data is unavailable.
+Survived and bankruptcy targets are mutually exclusive by construction. All targets are null when forward quarter data is unavailable.
 
 ### Rank-Transformed Targets (14 columns)
 
@@ -102,15 +102,16 @@ regression models. Rank-transforming yields IC ~0.37.
 
 ### Source Data
 
-All data sourced exclusively from SEC EDGAR Financial Statement Data Sets (FSDS), 2009-present.
+All data sourced from SEC EDGAR: Financial Statement Data Sets (FSDS) for fundamentals
+and Full-Text Search API (EFTS) for 8-K Item 1.03 bankruptcy filings.
 No market data providers. No third-party data. No equity pricing data.
 
 ### Pipeline
 
-1. **Ingest**: Download quarterly SEC FSDS ZIP files from EDGAR
+1. **Ingest**: Download quarterly SEC FSDS ZIP files and bankruptcy events from EDGAR
 2. **Parse**: Extract XBRL financial data, normalize 32 tags to standard fields
-3. **Enrich**: Compute derived ratios (8), scoring models (5), and QA flags
-4. **Label**: Generate 19 forward-looking prediction targets
+3. **Enrich**: Compute derived ratios (8), scoring models (5), bankruptcy flags, and QA flags
+4. **Label**: Generate 21 forward-looking prediction targets (including bankruptcy)
 5. **Split**: Temporal train/validation/test/recent splits with leakage validation
 6. **Evaluate**: Quality checks, ML fitness, and publication readiness
 7. **Publish**: Stage and upload to Hugging Face Hub
@@ -123,6 +124,7 @@ No market data providers. No third-party data. No equity pricing data.
 - F-Score delta components require prior quarter data (null for first appearance)
 - Z'-Score was designed for manufacturing firms; interpretation varies by sector
 - No market data: cannot compute price-based metrics (P/E, market cap, etc.)
+- Bankruptcy chapter classification is not yet extracted (requires filing body parsing)
 
 ### Bias Considerations
 

recent.parquet

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train.parquet

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