f/overrides/event-backup/dreix-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

1.1 KiB

1DateDividends
22012-12-130.086000
32023-03-300.051000
42012-06-080.070000
52013-03-080.025000
62014-09-090.057000
72015-06-080.101000
82016-06-290.102000
92016-09-290.036000
102018-09-270.079000
112019-09-270.095000
122022-06-290.132000
132013-09-100.051000
142014-12-160.117000
152022-12-140.342000
162023-06-290.154000
172023-12-130.391000
182026-03-300.061000
192018-03-280.013000
202019-03-280.040000
212019-06-270.121000
222021-09-290.107000
232022-09-290.140000
242025-03-280.060000
252025-09-290.122000
262013-12-120.249000
272015-09-090.061000
282021-03-300.044000
292016-03-300.056000
302017-03-300.033000
312021-12-150.304000
322024-03-270.052000
332024-09-270.116000
342024-12-130.469000
352014-03-100.043000
362019-12-170.112000
372023-09-280.105000
382015-12-160.076000
392022-03-300.046000
402025-12-151.137000
412026-06-290.155000
422012-09-100.038000
432015-03-090.027000
442017-09-280.072000
452021-06-290.116000
462018-06-280.106000
472020-06-290.088000
482020-03-300.049000
492020-09-290.073000
502013-06-100.075000
512014-06-090.077000
522024-06-270.143000
532025-06-270.161000
542016-12-150.135000
552017-06-290.103000
562017-12-150.134000
572018-12-180.211000
582020-12-160.075000