f/overrides/event-backup/flqm-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

755 B

1DateDividends
22020-09-140.130000
32021-06-100.092000
42023-12-150.249000
52025-12-190.315000
62017-09-200.107000
72019-09-110.174000
82019-12-110.190000
92020-06-110.053000
102026-06-260.355000
112022-06-170.120000
122022-09-160.159000
132025-06-270.226000
142026-03-200.127000
152023-06-230.138000
162023-09-150.136000
172024-09-200.192000
182018-03-200.051000
192020-03-110.069000
202020-12-140.163000
212021-09-130.127000
222017-12-200.178000
232019-06-110.037000
242022-12-160.203000
252024-03-150.082000
262018-09-200.135000
272018-12-200.138000
282024-06-210.181000
292022-03-100.069000
302023-03-170.086000
312017-06-200.033000
322019-03-200.053000
332021-03-110.066000
342024-12-200.239000
352018-06-200.050000
362021-12-130.223000
372025-03-210.108000
382025-09-190.189000