f/overrides/event-backup/gimsx-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

2.1 KiB

1DateDividends
22020-08-310.019000
32024-07-310.023000
42026-07-310.022000
52022-04-290.020000
62018-02-280.026000
72020-07-310.017000
82021-02-260.020000
92018-12-310.024000
102020-12-310.021000
112026-06-300.022000
122023-09-290.024000
132025-09-300.023000
142018-11-300.021000
152019-07-310.024000
162020-09-300.020000
172024-03-280.022000
182026-01-300.024000
192026-03-310.022000
202018-04-300.036000
212021-03-310.019000
222023-03-310.023000
232024-04-300.022000
242025-12-310.023000
252019-01-310.025000
262019-12-310.020000
272020-10-300.019000
282022-10-310.021000
292023-05-310.023000
302024-02-290.021000
312024-03-260.001000
322019-02-280.023000
332020-03-310.018000
342020-04-300.015000
352022-01-310.017000
362021-10-290.021000
372023-04-280.022000
382023-10-310.025000
392019-03-290.026000
402019-06-280.022000
412021-01-290.022000
422019-11-290.019000
432023-01-310.019000
442025-05-300.023000
452026-05-290.022000
462023-12-220.596000
472024-05-310.022000
482024-06-280.022000
492018-08-310.028000
502023-08-310.027000
512024-11-290.023000
522025-06-300.023000
532021-04-300.015000
542021-05-280.017000
552025-08-290.022000
562019-04-300.023000
572021-12-310.019000
582022-09-300.020000
592026-04-300.022000
602020-02-280.019000
612022-06-300.020000
622022-11-300.018000
632019-09-300.019000
642021-09-300.020000
652022-12-220.129000
662020-01-310.021000
672018-01-310.029000
682018-03-290.034000
692018-07-310.032000
702025-10-310.023000
712018-05-310.029000
722024-08-300.023000
732025-01-310.024000
742019-08-300.022000
752023-11-300.023000
762023-12-290.023000
772022-03-310.013000
782022-07-290.018000
792025-03-310.024000
802025-07-310.022000
812020-06-300.013000
822021-07-300.018000
832022-08-310.019000
842026-02-270.022000
852025-04-300.023000
862022-02-280.018000
872019-10-310.019000
882020-11-300.019000
892018-09-280.021000
902022-05-310.020000
912024-01-310.021000
922025-02-280.023000
932024-09-300.023000
942024-10-310.023000
952018-06-290.030000
962021-06-300.019000
972023-07-310.024000
982025-11-280.023000
992018-10-310.020000
1002019-05-310.023000
1012021-08-310.019000
1022023-06-300.026000
1032017-12-290.030000
1042022-12-300.020000
1052020-05-290.012000
1062021-11-300.022000
1072023-02-280.020000
1082024-12-310.023000