f/overrides/event-backup/fku-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

1.1 KiB

1DateDividends
22025-12-120.457000
32026-03-260.157000
42020-06-250.090000
52025-09-250.320000
62016-03-230.155000
72018-12-180.269000
82020-12-240.071000
92021-06-240.477000
102013-09-200.124000
112014-12-230.168000
122019-06-140.354000
132021-03-250.235000
142023-03-240.107000
152013-12-180.216000
162017-03-230.131000
172015-12-230.258000
182017-06-220.454000
192018-09-140.300000
202021-09-230.259000
212016-06-220.306000
222016-09-210.390000
232013-06-210.568000
242022-12-230.072000
252012-03-210.140000
262020-09-240.126000
272024-06-270.446000
282025-03-270.165000
292023-06-270.492000
302012-06-210.305000
312014-03-250.459000
322014-09-230.236000
332022-03-250.320000
342023-09-220.265000
352012-12-210.189000
362013-03-210.078000
372026-06-251.097000
382015-06-240.322000
392025-06-260.529000
402022-06-240.669000
412024-09-260.269000
422015-09-230.399000
432019-03-210.127000
442022-09-230.697000
452019-12-130.491000
462021-12-230.344000
472019-09-250.400000
482017-09-210.348000
492018-03-220.529000
502020-03-260.272000
512024-12-130.644000
522018-06-210.542000
532015-03-250.082000
542017-12-210.237000
552023-12-220.539000
562024-03-210.193000
572012-09-210.231000
582014-06-240.425000