f/overrides/event-backup/dreqx-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

1.6 KiB

1DateDividends
21999-03-310.981000
32002-12-130.005000
42024-12-060.760000
51987-12-221.485000
61990-12-140.195000
71991-12-100.080000
82009-06-240.031000
92000-03-310.140000
102001-03-300.025000
112003-12-150.020000
122025-06-241.053000
131982-04-050.290000
142016-06-220.019000
152018-06-220.990000
162003-03-310.018000
172006-06-290.127000
182025-12-082.071000
191989-09-250.245000
201999-12-080.197000
212002-06-280.007000
222022-12-060.158000
231997-12-150.936000
242011-06-290.032000
252020-06-230.467000
262023-12-060.167000
272026-06-231.345000
281993-11-041.560000
291996-12-161.365000
302006-12-150.471000
311988-06-280.180000
321994-12-160.177000
332012-06-270.013000
341983-04-140.250000
351985-04-100.210000
361995-12-121.386000
372002-03-280.013000
382021-12-101.820000
391991-09-260.050000
401992-11-110.010000
411993-12-281.040000
421998-12-170.535000
432008-06-300.155000
442014-06-180.425000
451984-03-290.175000
461986-04-081.300000
471995-08-010.010000
481990-10-290.095000
491997-03-310.569000
502015-06-230.239000
512004-03-310.054000
522007-06-290.274000
532010-06-290.010000
542013-12-190.068000
552017-06-230.363000
561987-04-091.010000
571989-12-191.020000
581994-11-011.759000
592017-12-191.102000
602021-06-231.237000
612022-06-221.801000
622013-06-260.032000
631992-12-300.010000
642005-03-310.021000
652007-12-130.686000
662001-12-130.008000
672014-12-180.611000
682018-12-171.494000
692019-06-200.461000
702023-06-220.440000
711980-04-070.175000
721986-12-171.500000
732000-12-060.345000
741981-04-010.140000
751988-12-200.260000
762015-12-170.707000
772019-12-171.043000
782020-12-101.174000
792004-12-200.033000
802012-12-190.018000
812016-12-190.760000