f/overrides/event-backup/artix-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
22024-12-102.762000
32019-11-211.742000
42025-12-106.726000
51999-11-110.563000
62011-12-150.282000
72012-12-190.275000
81998-09-300.280000
92010-12-160.178000
102020-11-241.117000
112023-12-070.481000
122001-12-140.995000
132005-11-220.410000
142006-12-202.763000
152007-12-194.673000
162015-11-190.128000
172018-11-202.642000
182004-11-180.123000
192013-11-210.292000
202008-12-170.893000
212009-12-170.246000
222016-11-170.300000
232022-11-220.608000
242000-11-153.550000
252001-11-150.065000
262002-11-140.101000
272003-11-130.176000
282014-11-190.228000
292017-11-210.223000
302021-11-237.117000
311996-12-030.115000
321997-12-101.327000