f/overrides/event-backup/ictex-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

316 B

1DateDividends
22018-12-192.043000
32023-11-301.831000
42024-11-290.899000
52025-11-283.196000
61999-12-166.444000
71998-12-290.784000
82021-12-313.598000
91997-12-260.386000
102016-12-203.251000
112017-12-203.946000
122019-12-190.716000
132020-11-300.740000
142000-12-1810.204000
152022-11-302.762000
162009-12-160.045000