f/overrides/event-backup/indy-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

615 B

1DateDividends
22018-12-180.120000
32019-06-170.225000
42012-06-200.092000
52012-12-170.004000
62015-06-240.109000
72014-06-240.117000
82018-06-190.072000
92018-12-280.015000
102025-12-163.995000
112010-06-210.117000
122015-12-210.047000
132023-12-200.116000
142014-12-190.038000
152020-06-150.033000
162024-06-110.042000
172026-06-150.099000
182010-12-290.007000
192011-12-190.026000
202013-12-170.083000
212024-12-170.080000
222013-06-250.097000
232016-06-210.102000
242016-12-220.029000
252017-12-210.059000
262023-06-070.074000
272011-06-210.101000
282021-06-100.007000
292022-12-131.585000
302017-06-200.040000
312021-12-133.361000