f/overrides/event-backup/glcux-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

396 B

1DateDividends
22017-12-200.189000
32018-12-112.516000
42018-12-190.208000
52019-12-180.235000
62023-12-131.941000
72025-12-112.743000
82016-12-200.200000
92024-12-123.931000
102024-12-170.023000
112015-12-210.209000
122019-12-121.117000
132020-12-143.804000
142020-12-160.113000
152021-12-160.095000
162022-12-134.066000
172023-12-180.028000
182017-12-111.289000
192021-12-1415.340000
202022-12-160.108000