f/overrides/event-backup/ldsf-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

1.8 KiB

1DateDividends
22024-03-210.069000
32025-02-210.072000
42020-04-210.033000
52024-01-230.069000
62022-06-240.035000
72023-03-240.057000
82024-08-210.075000
92025-04-220.072000
102020-09-240.036000
112021-10-210.032000
122023-09-220.065000
132023-11-210.074000
142024-02-210.069000
152019-04-230.054000
162023-06-270.063000
172019-12-130.064000
182020-01-220.042000
192020-08-210.036000
202021-02-230.030000
212022-03-250.033000
222022-08-230.045000
232019-08-210.050000
242019-09-250.045000
252024-12-130.072000
262025-12-120.071000
272026-03-260.075000
282026-05-210.074000
292023-04-210.063000
302024-09-260.072000
312023-10-240.073000
322025-07-220.072000
332025-10-210.073000
342022-09-230.045000
352022-10-210.044000
362022-02-180.033000
372020-07-210.041000
382024-04-230.066000
392024-06-270.075000
402025-05-210.072000
412020-02-210.041000
422020-06-250.037000
432020-11-240.041000
442022-01-210.033000
452025-06-260.072000
462025-08-210.072000
472022-05-240.035000
482023-02-220.057000
492020-10-210.041000
502021-03-250.035000
512021-04-210.035000
522026-08-210.075000
532019-10-220.041000
542019-11-210.049000
552023-01-240.057000
562023-12-220.073000
572024-05-210.066000
582025-09-250.074000
592020-12-240.120000
602022-07-210.043000
612021-08-240.035000
622023-07-210.063000
632025-11-210.073000
642026-04-210.074000
652026-07-210.074000
662019-07-230.049000
672020-05-210.032000
682024-10-220.072000
692026-02-200.075000
702026-06-250.074000
712022-12-230.056000
722024-07-230.075000
732021-09-230.034000
742022-04-210.033000
752022-11-220.049000
762024-11-210.072000
772025-01-220.072000
782019-05-210.055000
792021-06-240.035000
802021-05-210.035000
812021-11-230.029000
822021-12-230.029000
832023-05-230.063000
842025-03-270.072000
852020-03-260.042000
862021-01-210.030000
872023-08-220.063000
882026-01-210.073000
892019-06-140.053000
902021-07-210.035000