f/overrides/event-backup/meifx-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

435 B

1DateDividends
22008-12-160.751000
32023-12-210.082000
42025-12-190.949000
52012-12-180.281000
62013-12-170.217000
72017-12-200.189000
82018-12-201.646000
92022-12-211.049000
102010-12-150.206000
112011-12-150.210000
122014-11-132.424000
132015-12-170.486000
142019-12-205.883000
152020-12-182.143000
162006-12-150.278000
172007-12-180.757000
182009-12-220.192000
192014-12-170.248000
202016-12-200.098000
212021-12-213.763000
222024-12-201.926000