f/overrides/event-backup/ffwtx-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

455 B

1DateDividends
22023-12-280.393000
32024-05-100.182000
42024-12-300.463000
52017-12-280.232000
62019-12-302.080000
72021-05-140.171000
82021-12-300.357000
92022-05-130.133000
102026-05-080.037000
112025-05-090.121000
122017-05-120.147000
132018-05-110.098000
142018-12-280.581000
152019-05-100.076000
162020-12-300.265000
172020-05-080.100000
182022-12-290.317000
192015-12-290.212000
202016-05-130.029000
212016-12-280.225000
222023-05-120.030000
232025-12-300.495000