f/overrides/event-backup/ictux-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

1.6 KiB

1DateDividends
22015-03-310.067000
32015-12-310.069000
42019-09-300.032000
52017-12-290.080000
62018-06-290.086000
72021-03-310.045000
82021-12-310.649000
92025-03-310.042000
101999-12-163.104000
112000-12-180.508000
122005-12-191.122000
132014-06-300.070000
142020-11-300.397000
152022-09-300.054000
162026-03-310.040000
172011-12-300.116000
182017-09-290.066000
192020-12-310.052000
202023-09-290.059000
212012-09-280.047000
222013-06-280.056000
232016-12-300.071000
242018-12-190.053000
252019-06-280.067000
262020-03-310.048000
272024-12-310.077000
282004-12-210.082000
292012-12-310.060000
302013-03-280.048000
312025-09-300.043000
322002-12-160.056000
332011-06-300.088000
342012-03-300.012000
352017-12-200.483000
362019-03-290.069000
372020-09-300.061000
382009-12-160.136000
392019-12-270.049000
402020-06-300.043000
412022-03-310.045000
422013-09-300.053000
432014-09-300.072000
442015-09-240.061000
452016-03-310.063000
462016-06-300.076000
472016-09-300.064000
482017-03-310.068000
492022-11-300.691000
502024-06-280.059000
512025-06-300.055000
521997-12-260.045000
532015-06-300.068000
542018-09-280.070000
552023-03-310.063000
562003-12-170.071000
572008-12-150.379000
582018-12-280.090000
592022-12-300.058000
602014-03-310.044000
612016-12-200.791000
622021-06-300.053000
632024-03-280.051000
642025-12-310.061000
652014-12-310.068000
662018-03-290.076000
672021-09-300.058000
682023-12-290.060000
692001-12-170.058000
702006-12-180.741000
712010-12-160.208000
722012-06-290.055000
732019-12-190.327000
742023-06-300.057000
752024-09-300.042000
761998-12-296.141000
772007-12-170.974000
782013-12-310.049000
792017-06-300.066000
802022-06-300.047000
812026-06-300.044000