f/overrides/event-backup/fhcox-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

1.3 KiB

1DateDividends
22022-07-290.014000
32022-10-310.025000
42025-08-290.039000
52025-12-310.036000
62021-04-300.003000
72021-09-300.002000
82024-02-290.046000
92024-04-300.046000
102024-11-290.042000
112021-10-290.002000
122022-09-300.020000
132024-12-310.042000
142025-05-300.039000
152025-07-310.039000
162026-07-310.034000
172023-10-310.048000
182024-03-280.047000
192024-09-300.044000
202024-10-310.044000
212021-03-310.003000
222023-01-310.035000
232026-03-310.035000
242022-12-300.033000
252025-06-300.038000
262025-04-300.038000
272022-03-310.003000
282023-07-310.043000
292023-04-280.038000
302025-03-310.039000
312025-11-280.036000
322026-04-300.034000
332022-04-290.004000
342022-08-310.018000
352023-09-290.046000
362024-08-300.046000
372025-02-280.038000
382021-11-300.002000
392022-06-300.010000
402024-06-280.046000
412021-12-310.002000
422023-12-290.048000
432023-02-280.033000
442023-06-300.040000
452025-10-310.038000
462023-05-310.041000
472021-08-310.001000
482023-03-310.037000
492022-11-300.029000
502021-06-300.002000
512022-02-280.003000
522026-01-300.035000
532026-02-270.033000
542021-02-260.003000
552023-11-300.048000
562025-09-300.038000
572026-05-290.034000
582026-06-300.033000
592024-07-310.046000
602025-01-310.040000
612022-01-310.003000
622022-05-310.007000
632023-08-310.046000
642024-01-310.049000
652024-05-310.047000
662021-05-280.002000
672021-07-300.002000