f/overrides/event-backup/klcax-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

375 B

1DateDividends
22018-12-062.466000
32021-12-065.116000
42009-12-300.001000
52015-12-030.001000
62012-12-280.017000
72014-12-290.695000
82017-12-050.338000
92025-12-084.997000
102011-12-050.450000
112012-12-050.299000
122010-12-290.054000
132024-12-096.686000
142019-12-051.246000
152020-12-041.239000
162022-12-065.290000
172023-12-075.895000
182008-12-300.019000
192013-12-270.418000