f/overrides/event-backup/fttmx-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

9.6 KiB

1DateDividends
22011-09-300.040000
32015-07-310.033000
42011-04-290.043000
51998-02-180.052000
62003-11-190.045000
72004-08-190.045000
82005-04-200.046000
92012-04-300.037000
102012-11-300.034000
111994-11-210.062000
122015-03-310.036000
131990-02-150.061000
142009-06-190.043000
152010-01-290.045000
162008-08-200.043000
172013-11-290.041000
182021-06-300.025000
192003-12-190.085000
201997-04-220.055000
212006-08-180.044000
222020-02-280.023000
232023-06-300.027000
241989-10-130.061000
251996-04-220.055000
262016-12-300.033000
271985-10-150.068000
281993-02-220.062000
292000-05-180.050000
302003-01-170.047000
312021-08-310.023000
321989-01-130.061000
331999-04-160.050000
342015-10-300.034000
352017-02-280.032000
362017-04-280.032000
372025-10-310.031000
381992-12-210.062000
391985-12-130.069000
401988-04-150.066000
411991-11-150.062000
421995-04-190.062000
432005-12-160.045000
442015-06-300.033000
452017-06-300.031000
462017-09-290.031000
471986-10-150.069000
482007-04-190.044000
492011-05-310.042000
502025-12-310.031000
511986-07-150.069000
522001-08-170.049000
532022-07-290.025000
542025-04-300.028000
551989-11-150.061000
562014-02-280.040000
572014-09-300.035000
582024-12-310.027000
592013-03-280.037000
602014-03-310.040000
612016-08-310.034000
622020-01-310.026000
632024-01-310.027000
641987-07-150.066000
652007-01-190.044000
662008-11-200.043000
672010-09-300.041000
681997-09-220.054000
692001-07-190.049000
702022-03-310.025000
712023-01-310.025000
721990-07-130.062000
732002-07-190.040000
742012-03-300.037000
752018-09-280.029000
762018-10-310.029000
772020-09-300.025000
781991-08-150.062000
792000-12-190.050000
802003-08-190.045000
812007-05-180.044000
822014-08-290.040000
831985-11-150.068000
842019-02-280.027000
852010-10-290.043000
861997-02-190.055000
871997-06-180.104000
881998-08-190.051000
892001-10-180.049000
902009-10-200.043000
912012-07-310.036000
922016-01-290.035000
931993-09-200.062000
942021-09-300.022000
952010-08-310.043000
962011-07-290.043000
972020-07-310.025000
982001-02-200.050000
991989-09-150.061000
1001990-06-200.062000
1011990-11-150.062000
1022001-11-190.049000
1032023-12-290.029000
1041987-12-150.066000
1052021-11-300.023000
1062004-02-190.045000
1072004-04-190.045000
1082014-11-280.036000
1092015-12-310.035000
1102018-07-310.029000
1112000-04-180.050000
1122004-11-190.046000
1132007-10-190.043000
1142024-11-290.028000
1151986-05-150.069000
1162007-12-200.054000
1172008-04-210.043000
1182012-02-290.038000
1192013-04-300.031000
1201989-05-150.061000
1211992-08-200.062000
1221995-11-200.062000
1232003-07-180.077000
1242004-09-170.046000
1252013-12-310.039000
1262015-02-270.036000
1271987-04-150.066000
1282010-12-200.015000
1292017-05-310.032000
1302024-10-310.028000
1312026-02-270.027000
1322005-07-180.045000
1332020-08-310.026000
1341995-02-210.062000
1352006-05-190.045000
1362014-06-300.037000
1372002-08-190.048000
1382002-11-190.048000
1392004-10-190.046000
1402007-09-200.043000
1412020-10-300.025000
1422024-06-280.025000
1431999-02-180.050000
1442021-02-260.022000
1452026-01-300.030000
1462002-09-190.048000
1472001-03-200.050000
1482009-01-200.043000
1492012-09-280.036000
1502023-09-290.028000
1511987-10-150.066000
1522005-10-200.045000
1532006-12-210.064000
1542012-06-290.037000
1552018-03-290.030000
1562001-01-190.050000
1572016-02-290.034000
1582000-10-180.050000
1591989-12-150.061000
1601992-03-190.062000
1611993-01-200.062000
1622010-06-300.042000
1632019-04-300.040000
1641988-02-120.066000
1652003-04-170.047000
1661992-05-200.062000
1671989-08-150.061000
1681999-07-200.050000
1692011-03-310.043000
1702026-07-310.032000
1711988-12-150.061000
1721997-01-210.055000
1732006-03-200.045000
1742019-06-280.024000
1751996-10-210.055000
1762011-11-300.041000
1772012-12-310.034000
1782021-03-310.026000
1792022-11-300.025000
1801991-02-150.062000
1812001-09-190.049000
1822014-12-310.036000
1831994-10-190.062000
1842011-01-310.042000
1852025-06-300.028000
1862003-09-190.045000
1872002-04-180.049000
1882017-08-310.031000
1892018-02-280.029000
1902019-09-300.026000
1911987-01-150.069000
1921997-05-200.055000
1932000-02-160.050000
1941990-03-150.062000
1951992-04-210.062000
1961994-07-210.062000
1972004-01-160.045000
1982004-06-180.045000
1992008-05-200.043000
2002018-12-310.028000
2012024-09-300.025000
2021991-01-150.062000
2031992-09-220.062000
2042023-11-300.027000
2051991-05-150.062000
2061999-08-180.050000
2072002-10-210.040000
2082016-04-290.035000
2091987-11-130.066000
2102011-12-300.039000
2112020-06-300.025000
2122021-05-280.022000
2132009-08-200.043000
2142004-05-190.045000
2152019-07-310.028000
2162019-10-310.026000
2172003-06-190.046000
2181994-03-220.062000
2192021-07-300.022000
2201990-04-190.062000
2211993-04-200.062000
2221998-06-230.084000
2232011-02-280.039000
2242012-10-310.032000
2252016-05-310.035000
2262016-11-300.034000
2272018-11-300.029000
2281991-10-150.062000
2291993-06-210.062000
2301995-01-190.062000
2311996-03-200.055000
2321999-09-170.050000
2332004-12-170.046000
2342013-09-300.037000
2351991-04-150.062000
2362024-04-300.027000
2372026-06-300.030000
2381995-07-190.062000
2391991-03-150.062000
2402002-01-180.049000
2411990-01-150.061000
2421999-10-190.050000
2432025-01-310.029000
2441988-10-140.066000
2452003-05-190.047000
2462020-05-290.024000
2471993-10-200.062000
2482017-07-310.031000
2492007-02-200.044000
2502015-11-300.034000
2512024-02-290.027000
2522001-06-200.049000
2531987-06-150.066000
2542007-03-190.044000
2552016-03-310.034000
2561986-09-150.069000
2572002-02-190.049000
2582008-07-210.043000
2591990-12-140.062000
2601991-07-150.062000
2611993-03-220.062000
2621999-12-160.050000
2631990-09-140.062000
2641992-07-220.062000
2652023-03-310.029000
2661989-04-140.061000
2671996-05-210.055000
2681997-08-200.054000
2692003-02-190.047000
2702005-01-210.046000
2712006-06-190.044000
2722010-07-300.045000
2732017-03-310.032000
2741986-12-150.069000
2751991-09-130.062000
2761996-12-190.055000
2772010-12-310.041000
2782024-05-310.030000
2791988-08-150.066000
2802025-09-300.028000
2811999-06-170.050000
2822001-12-190.049000
2832002-06-200.040000
2842005-11-180.045000
2851986-01-150.069000
2861995-03-210.062000
2872015-01-300.036000
2882021-12-310.026000
2891992-01-220.062000
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2921988-07-150.066000
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2952005-06-170.045000
2962025-05-300.029000
2972000-07-180.050000
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3042012-01-310.041000
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3142003-03-190.047000
3152007-08-200.043000
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3192000-03-210.050000
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3272006-01-190.045000
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3292001-05-180.050000
3302013-10-310.039000
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3322006-11-200.044000
3332010-06-210.001000
3342017-10-310.031000
3352018-06-290.030000
3361986-06-130.069000
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3431989-03-150.061000
3441996-02-200.057000
3451996-08-210.055000
3461997-07-220.054000
3472004-03-190.045000
3482015-04-300.034000
3492015-09-300.034000
3502019-03-290.027000
3511988-06-150.066000
3522022-02-280.021000
3532024-08-300.030000
3542019-05-310.027000
3551994-06-210.062000
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3572004-07-190.045000
3582006-04-200.045000
3592008-03-200.043000
3602009-04-200.043000
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3642009-02-190.041000
3652009-11-190.043000
3662010-05-280.044000
3672023-04-280.024000
3681998-05-190.051000
3692010-03-310.046000
3702022-04-290.024000
3711998-04-210.051000
3722003-10-170.045000
3732022-01-310.022000
3741997-12-220.132000
3751993-11-220.062000
3762010-02-260.041000
3772024-03-280.028000
3781991-06-140.062000
3791994-02-220.062000
3802011-06-300.040000
3811993-12-210.062000
3822016-07-290.035000
3831986-04-150.069000
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3952018-01-310.029000
3962018-04-300.030000
3972006-02-210.045000
3982019-01-310.027000
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