f/overrides/event-backup/btefx-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

515 B

1DateDividends
22013-12-180.180000
32014-12-110.583000
42005-12-080.204000
52006-12-120.355000
62011-12-080.132000
72017-12-120.612000
82020-12-150.934000
92024-12-121.110000
102004-12-090.266000
112012-12-110.160000
122015-12-101.460000
132016-12-081.349000
142018-12-110.407000
152019-12-100.268000
162023-12-120.617000
172009-01-020.007000
182009-12-100.101000
192012-12-310.031000
202010-12-090.106000
212021-12-141.104000
222022-12-131.095000
232025-12-163.297000
242003-12-100.016000
252007-12-120.375000
262008-12-110.090000