f/overrides/event-backup/dvrax-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

375 B

1DateDividends
22019-12-170.099000
32023-12-210.113000
42024-12-190.181000
52025-12-180.120000
62018-12-180.079000
72010-12-160.216000
82011-12-150.275000
92014-12-180.093000
102008-12-111.909000
112012-12-180.257000
122013-12-170.132000
132015-12-170.095000
142016-12-200.240000
152017-12-190.182000
162020-12-150.045000
172021-12-140.042000
182007-12-310.010000
192022-12-130.038000