f/overrides/event-backup/gaigx-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

495 B

1DateDividends
22007-12-271.061000
32021-12-290.624000
42015-12-290.029000
52017-12-271.145000
62001-12-270.189000
72004-12-290.059000
82010-12-290.517000
92011-12-280.282000
102013-12-231.177000
112014-12-290.764000
122023-12-271.204000
132002-12-270.036000
142005-12-280.075000
152006-12-270.433000
162008-12-290.719000
172019-12-271.368000
182025-12-291.887000
192024-12-271.458000
202003-12-290.031000
212009-12-290.103000
222012-12-271.875000
232016-12-280.355000
242018-12-271.714000
252020-12-290.006000