f/overrides/event-backup/mltax-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

435 B

1DateDividends
22013-12-270.192000
32015-12-290.414000
42025-12-231.404000
52012-12-270.156000
62019-12-260.839000
72021-12-281.549000
82023-12-270.591000
92005-12-290.160000
102006-12-270.135000
112010-12-280.159000
122011-12-270.212000
132014-12-290.229000
142016-12-280.951000
152017-12-270.561000
162024-12-261.241000
172007-12-280.656000
182008-12-260.272000
192009-12-280.178000
202018-12-270.753000
212020-12-290.631000
222022-12-280.898000