f/overrides/event-backup/hqivx-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

1.2 KiB

1DateDividends
22025-06-260.102000
32025-09-260.099000
42017-03-300.106000
52019-12-270.105000
62020-12-290.125000
72021-06-280.077000
82015-03-300.091000
92019-12-101.262000
102022-03-290.110000
112016-03-300.107000
122016-06-290.093000
132016-12-280.101000
142018-06-280.104000
152021-03-290.114000
162025-03-270.116000
172026-03-270.116000
182014-12-300.108000
192021-12-101.659000
202016-12-160.595000
212017-09-280.094000
222019-09-270.091000
232023-09-270.106000
242024-06-260.095000
252026-06-260.079000
262017-12-270.112000
272018-12-171.437000
282020-06-260.080000
292020-12-100.200000
302023-12-111.081000
312024-03-260.137000
322024-09-260.108000
332014-12-120.524000
342019-06-270.103000
352020-03-270.116000
362020-09-280.075000
372022-12-122.155000
382025-12-290.121000
392016-09-290.091000
402017-12-151.039000
412019-03-280.107000
422015-12-290.102000
432021-12-290.139000
442022-06-280.113000
452023-06-280.091000
462023-12-270.173000
472024-12-111.644000
482024-12-270.149000
492018-09-270.093000
502022-12-280.159000
512015-06-290.112000
522015-09-290.107000
532021-09-280.093000
542022-09-280.108000
552025-12-112.283000
562017-06-290.088000
572018-03-280.110000
582018-12-270.126000
592023-03-290.126000
602015-12-111.399000