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f/overrides/event-backup/eim-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

5.7 KiB
Raw Blame History

1DateDividends
22008-11-190.065000
32015-05-200.064000
42017-12-210.052000
52019-10-230.043000
62006-10-200.064000
72010-06-210.076000
82026-03-160.051000
92018-06-210.048000
102021-01-210.050000
112022-02-170.050000
122023-09-210.033000
132025-11-140.051000
142014-08-200.064000
152016-10-200.056000
162021-04-220.050000
172024-01-220.047000
182024-04-220.047000
192024-06-210.047000
202016-04-200.061000
212026-08-140.051000
222007-01-220.064000
232020-12-230.050000
242003-05-210.075000
252003-02-200.076000
262011-02-160.076000
272005-12-200.074000
282007-12-190.251000
292011-06-210.076000
302011-09-210.076000
312014-06-190.064000
322018-05-230.048000
332023-02-210.035000
342025-02-140.051000
352012-06-200.064000
362014-01-220.064000
372015-03-200.064000
382015-09-210.064000
392016-09-210.056000
402017-06-210.052000
412004-11-220.078000
422005-02-170.078000
432006-03-220.067000
442008-12-220.065000
452011-04-190.076000
462019-03-200.043000
472022-04-210.045000
482022-09-220.041000
492004-07-220.078000
502010-05-190.076000
512016-03-220.061000
522021-08-230.050000
532004-05-200.078000
542006-01-200.067000
552009-12-220.075000
562013-07-220.064000
572017-02-160.054000
582024-05-230.047000
592009-05-200.067000
602010-01-200.075000
612020-09-220.050000
622003-06-190.076000
632018-02-200.048000
642021-09-220.050000
652024-08-220.051000
662025-09-150.051000
672006-06-210.064000
682006-11-200.064000
692010-09-210.076000
702016-12-210.054000
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722026-01-150.051000
732010-10-200.076000
742017-10-230.052000
752018-08-230.048000
762011-11-210.072000
772013-09-190.064000
782016-07-200.058000
792022-08-230.041000
802012-03-210.066000
812013-02-190.064000
822014-12-220.064000
832015-04-210.064000
842017-03-220.054000
852020-03-230.050000
862023-01-230.035000
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972015-12-210.064000
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1002023-12-210.033000
1012025-05-150.051000
1022025-07-150.051000
1032003-04-220.076000
1042006-12-190.064000
1052010-12-210.076000
1062013-04-190.064000
1072017-01-200.054000
1082017-03-090.054000
1092018-04-200.048000
1102023-11-210.033000
1112019-01-110.043000
1122020-08-210.050000
1132022-07-210.041000
1142024-03-200.047000
1152007-06-200.064000
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1182022-12-220.035000
1192002-11-210.075000
1202009-01-210.065000
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1222014-10-220.064000
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1242021-05-200.050000
1252009-08-200.075000
1262020-10-220.050000
1272024-07-230.051000
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1292013-05-220.064000
1302008-07-220.064000
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1322019-11-210.043000
1332023-04-210.035000
1342007-03-210.064000
1352010-08-200.076000
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1372015-06-190.064000
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1392017-05-220.052000
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1432025-06-160.051000
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1472010-11-190.076000
1482012-01-200.066000
1492012-11-200.064000
1502018-07-230.048000
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1522018-03-210.048000
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1542006-09-200.064000
1552009-10-210.075000
1562025-03-140.051000
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2042020-06-220.050000
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2172005-10-200.074000
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2222005-07-200.074000
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2242009-11-190.075000
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2262022-06-220.041000
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2282024-09-200.051000
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2342025-10-150.051000
2352016-05-200.061000
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2372026-02-170.051000
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2442006-12-200.332000
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2482019-06-200.043000
2492007-08-220.064000
2502011-01-200.076000
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2532011-05-200.076000
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2552026-07-150.051000
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2602024-11-210.051000
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2642020-02-200.050000
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2662022-03-230.045000
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