f/overrides/event-backup/hilgx-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

655 B

1DateDividends
22024-12-050.392000
32025-12-040.590000
42012-12-310.116000
52017-12-070.432000
62017-12-270.095000
72019-12-060.131000
82020-12-290.128000
92022-12-280.116000
102025-12-290.137000
112011-12-270.099000
122013-12-100.676000
132014-12-310.165000
142022-12-081.783000
152024-12-270.142000
162014-12-082.258000
172016-12-280.149000
182018-12-072.328000
192021-12-071.804000
202023-12-070.306000
212011-12-052.461000
222012-12-070.017000
232015-12-290.171000
242023-12-270.144000
252015-12-092.763000
262020-12-080.493000
272021-12-290.111000
282013-12-310.174000
292018-12-270.118000
302019-12-270.166000
312009-12-290.050000
322010-12-020.016000
332010-12-300.122000