f/overrides/event-backup/dffgx-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

2.4 KiB

1DateDividends
22018-12-170.049000
32019-06-270.054000
42005-12-190.130000
52008-06-100.063000
62016-03-300.027000
72017-03-300.028000
82020-03-300.026000
91989-12-120.467000
102008-12-100.099000
112012-09-100.025000
122016-12-140.059000
132023-06-290.066000
141988-06-080.145000
151997-12-220.346000
162010-06-080.065000
172012-03-080.018000
182015-12-150.072000
192013-03-080.014000
202013-12-110.047000
212022-12-120.058000
221993-06-080.176000
231994-06-080.194000
241998-06-090.216000
252000-06-080.232000
262006-09-080.116000
272021-06-290.003000
282022-09-290.060000
292001-06-080.207000
302002-12-160.241000
312006-06-080.110000
322010-03-090.039000
332012-12-120.122000
342010-09-080.060000
352014-09-090.021000
362016-06-290.027000
371995-11-270.275000
382004-06-080.136000
392005-06-080.090000
402025-03-280.088000
411989-06-080.385000
422019-12-160.045000
432023-09-280.107000
442023-12-130.126000
451992-12-150.717000
462003-12-220.570000
472007-03-080.077000
482009-03-100.041000
491998-12-210.314000
502008-09-090.063000
512012-06-080.026000
522014-03-100.011000
532017-09-280.031000
542025-09-290.104000
552026-06-290.090000
561991-12-101.012000
571993-12-150.048000
582024-12-130.124000
592025-12-150.104000
601988-12-130.479000
611990-12-110.465000
621999-06-080.185000
631999-12-200.312000
642007-06-080.127000
652010-12-090.230000
662015-06-080.023000
671987-12-310.472000
682016-09-290.023000
692018-09-270.042000
702019-09-270.054000
712022-06-290.046000
722024-09-270.118000
732004-09-080.083000
742005-03-080.046000
752017-12-140.035000
762019-03-280.040000
772024-06-270.130000
781992-06-080.239000
792002-06-100.171000
802007-12-190.152000
812009-12-090.175000
822025-06-270.100000
831997-06-100.243000
842014-06-090.019000
852024-03-270.112000
862026-03-300.076000
872018-06-280.040000
881990-06-080.314000
891994-11-280.235000
901995-06-080.252000
911996-12-270.350000
922008-03-100.053000
932022-03-300.017000
942001-12-170.257000
952011-06-080.047000
962017-06-290.031000
971991-06-100.273000
981993-11-160.403000
992003-06-100.140000
1002011-09-080.038000
1011994-12-280.065000
1021995-12-270.057000
1032006-12-180.165000
1042009-09-090.066000
1052006-03-080.066000
1062007-09-100.126000
1072009-06-090.066000
1082020-06-290.005000
1092021-09-290.006000
1102021-12-130.007000
1112000-12-180.360000
1122011-03-080.034000
1132011-12-120.245000
1142015-03-090.015000
1152023-03-300.055000
1162004-12-200.117000
1172018-03-280.030000
1182005-09-080.085000
1192014-12-150.052000
1201996-06-100.308000
1212013-06-100.021000
1222013-09-100.020000
1232015-09-090.025000