# E0 — real-data universe and exports for E1–E4 (FinData OS, FirstRate Data private license; cache is git-ignored) dataset_id: market_bars.stock.1m.raw year: 2024 start: 2024-01-02 end: 2024-12-31 min_sessions_total: 250 # symbols active across the year (coverage endpoint: d0 <= start, d1 >= end) sample_sizes: [1, 10, 100, 1000] # nested samples (seeded): the 1000-symbol universe contains the 100, 10, 1 ones seed: 20261102 symbols_per_export: 50 exclude_delisted_suffix: true