f/overrides/event-backup/inds-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

635 B

1DateDividends
22024-06-270.203424
32018-12-240.159700
42020-09-210.185131
52021-06-210.075179
62019-06-250.059328
72021-09-230.192300
82024-09-260.342853
92022-06-230.089881
102023-06-220.176920
112024-12-270.431941
122018-09-250.204135
132020-06-220.072847
142020-12-210.254691
152022-03-240.045614
162025-09-040.397617
172022-09-220.515068
182022-12-220.316873
192023-09-211.042293
202025-06-050.067071
212026-06-040.036860
222018-06-260.069972
232019-09-240.149441
242021-03-220.163988
252023-03-230.080754
262025-12-300.891633
272026-03-050.028984
282019-03-260.239146
292019-12-240.303576
302020-03-230.105942
312021-12-230.261449
322024-03-210.344559