Files
foxhunt/ml/examples
jgrusewski 6befda18a5 feat(ml): add quarterly download binary for futures baseline
Adds `ml/examples/download_baseline.rs` that downloads 730 days of
Databento OHLCV-1m data in quarterly chunks for 4 CME futures symbols.

Features:
- Reads universe config from TOML (symbols, date range, dataset)
- Splits date range into calendar-quarter chunks (~90 days each)
- Resume support: skips existing non-empty files
- Uses `get_range_to_file` for streaming writes to .dbn.zst
- Dry-run mode with cost estimate ($0.12/symbol/day)
- Confirmation prompt (skippable with --yes)
- Per-file progress with timing and byte counts
- Failure-tolerant: logs errors and continues

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23 18:33:26 +01:00
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