f/overrides/event-backup/hdg-dividend.csv
Greg Pomerantz bb8e39605e Event-history protection: backup dir, empty-download fallback, docs
Yahoo's 2026 event-feed change (capitalGain events dropped for some
funds; no events at all for terminated tickers) can wipe good event
history on re-download. Defense in depth:

- overrides/event-backup/: last-known-good copy of every dividend/
  capitalGain file (8,192 files, 58 MB); refresh with
  scripts/backup_events.py after each dump update
- data.py event_file(): frozen > data-root (while populated) > backup;
  used by panel reads, verify_official, and the double-listing scanner
- README: capital-gain files are mutual-fund-only in this dump; Yahoo
  has no LT/ST split (tax.py taxes capg at lt_rate; the per-fund split
  would come from fund-company annual tax statements or commercial feeds)
- tests: exact Timestamp .loc keys (pandas 3.x string matching returns a
  Series on large DatetimeIndex)
2026-08-31 21:59:25 -04:00

515 B

1DateDividends
22025-06-250.285000
32018-03-210.004000
42018-06-200.057000
52019-03-200.139000
62019-06-250.150000
72025-03-260.301000
82018-09-260.081000
92023-03-220.257000
102025-09-240.356000
112025-12-240.370000
122024-12-230.505000
132018-12-260.080000
142023-09-200.604000
152023-12-200.515000
162024-03-200.363000
172024-09-250.426000
182023-06-210.315000
192024-06-260.435000
202026-03-250.272000
212012-12-260.053000
222019-09-250.125000
232019-12-240.093000
242020-03-250.042000
252022-12-220.185000
262026-06-240.293000