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)
2.5 KiB
2.5 KiB
| 1 | Date | Dividends |
|---|---|---|
| 2 | 1997-08-14 | 0.407387 |
| 3 | 1998-08-12 | 0.425905 |
| 4 | 2018-08-16 | 0.740000 |
| 5 | 2020-08-18 | 0.150000 |
| 6 | 2025-03-04 | 0.170000 |
| 7 | 1998-02-05 | 0.425905 |
| 8 | 2006-05-17 | 0.629599 |
| 9 | 2008-11-13 | 0.740704 |
| 10 | 2014-11-07 | 0.650000 |
| 11 | 2016-11-08 | 0.710000 |
| 12 | 2024-08-19 | 0.170000 |
| 13 | 2026-06-15 | 0.170000 |
| 14 | 2011-11-08 | 0.550000 |
| 15 | 2013-05-08 | 0.580000 |
| 16 | 2015-05-06 | 0.650000 |
| 17 | 2021-02-18 | 0.150000 |
| 18 | 2022-08-18 | 0.150000 |
| 19 | 2021-08-18 | 0.150000 |
| 20 | 2022-11-08 | 0.170000 |
| 21 | 1999-11-17 | 0.472199 |
| 22 | 2005-02-18 | 0.601822 |
| 23 | 2013-02-20 | 0.580000 |
| 24 | 2020-02-20 | 0.750000 |
| 25 | 2020-11-06 | 0.150000 |
| 26 | 2025-12-15 | 0.170000 |
| 27 | 1997-05-19 | 0.407387 |
| 28 | 2008-05-15 | 0.740704 |
| 29 | 2013-11-07 | 0.620000 |
| 30 | 2019-08-16 | 0.750000 |
| 31 | 2023-11-08 | 0.170000 |
| 32 | 1996-11-20 | 0.407387 |
| 33 | 1997-11-19 | 0.425905 |
| 34 | 2008-02-20 | 0.740704 |
| 35 | 2014-08-18 | 0.620000 |
| 36 | 2024-02-15 | 0.170000 |
| 37 | 1995-05-16 | 0.388870 |
| 38 | 1996-08-19 | 0.388870 |
| 39 | 2020-04-21 | 0.100000 |
| 40 | 2000-02-16 | 0.472199 |
| 41 | 2000-11-15 | 0.490717 |
| 42 | 2023-05-18 | 0.170000 |
| 43 | 2025-06-03 | 0.170000 |
| 44 | 1995-08-18 | 0.388870 |
| 45 | 2003-05-16 | 0.527752 |
| 46 | 2008-08-19 | 0.740704 |
| 47 | 2012-05-08 | 0.550000 |
| 48 | 2019-02-20 | 0.750000 |
| 49 | 1996-02-15 | 0.388870 |
| 50 | 2007-05-16 | 0.657375 |
| 51 | 2018-11-08 | 0.750000 |
| 52 | 2009-11-09 | 0.059172 |
| 53 | 2010-11-09 | 0.500000 |
| 54 | 2017-08-16 | 0.710000 |
| 55 | 2022-02-17 | 0.150000 |
| 56 | 2026-03-16 | 0.170000 |
| 57 | 2016-05-03 | 0.680000 |
| 58 | 1994-11-07 | 0.370352 |
| 59 | 2002-02-20 | 0.509234 |
| 60 | 2002-11-14 | 0.509234 |
| 61 | 2004-11-10 | 0.601822 |
| 62 | 2006-02-21 | 0.629599 |
| 63 | 2005-11-10 | 0.629599 |
| 64 | 2012-02-17 | 0.550000 |
| 65 | 2015-08-18 | 0.650000 |
| 66 | 2005-05-18 | 0.601822 |
| 67 | 2012-08-16 | 0.550000 |
| 68 | 2015-02-18 | 0.650000 |
| 69 | 1994-05-06 | 0.064812 |
| 70 | 1994-08-04 | 0.370352 |
| 71 | 1995-02-13 | 0.370352 |
| 72 | 1999-05-18 | 0.449052 |
| 73 | 2004-02-19 | 0.564787 |
| 74 | 2011-08-17 | 0.500000 |
| 75 | 2016-02-17 | 0.680000 |
| 76 | 2001-05-16 | 0.490717 |
| 77 | 2003-02-20 | 0.527752 |
| 78 | 2014-05-07 | 0.620000 |
| 79 | 2024-11-12 | 0.170000 |
| 80 | 2025-09-09 | 0.170000 |
| 81 | 2003-08-18 | 0.527752 |
| 82 | 2016-08-17 | 0.680000 |
| 83 | 2000-08-16 | 0.472199 |
| 84 | 2009-02-18 | 0.740704 |
| 85 | 2011-02-17 | 0.500000 |
| 86 | 1996-05-17 | 0.388870 |
| 87 | 1999-02-16 | 0.449052 |
| 88 | 2007-11-13 | 0.740704 |
| 89 | 2012-11-07 | 0.580000 |
| 90 | 2014-02-19 | 0.620000 |
| 91 | 2006-11-13 | 0.657375 |
| 92 | 2009-08-10 | 0.058131 |
| 93 | 2013-08-16 | 0.580000 |
| 94 | 2017-02-16 | 0.710000 |
| 95 | 2017-11-09 | 0.740000 |
| 96 | 2021-11-08 | 0.150000 |
| 97 | 2023-08-17 | 0.170000 |
| 98 | 1998-11-20 | 0.449052 |
| 99 | 2001-08-16 | 0.490717 |
| 100 | 2001-11-15 | 0.509234 |
| 101 | 2004-08-18 | 0.564787 |
| 102 | 2010-02-11 | 0.060000 |
| 103 | 2004-05-18 | 0.564787 |
| 104 | 2024-05-17 | 0.170000 |
| 105 | 2003-11-12 | 0.564787 |
| 106 | 2006-08-16 | 0.629599 |
| 107 | 2009-05-07 | 0.057053 |
| 108 | 2010-05-06 | 0.500000 |
| 109 | 2019-05-07 | 0.750000 |
| 110 | 2017-05-03 | 0.710000 |
| 111 | 2018-05-07 | 0.740000 |
| 112 | 2019-11-07 | 0.750000 |
| 113 | 2023-02-16 | 0.170000 |
| 114 | 1998-05-11 | 0.425905 |
| 115 | 1999-08-17 | 0.449052 |
| 116 | 2001-02-20 | 0.490717 |
| 117 | 2010-08-18 | 0.500000 |
| 118 | 2018-02-20 | 0.740000 |
| 119 | 2000-05-16 | 0.472199 |
| 120 | 2002-05-16 | 0.509234 |
| 121 | 2005-08-05 | 0.601822 |
| 122 | 2015-11-09 | 4.680000 |
| 123 | 2011-05-06 | 0.500000 |
| 124 | 2021-05-06 | 0.150000 |
| 125 | 2022-05-19 | 0.150000 |
| 126 | 1995-11-21 | 0.388870 |
| 127 | 1997-02-18 | 0.407387 |
| 128 | 2002-08-23 | 0.509234 |
| 129 | 2007-02-21 | 0.657375 |
| 130 | 2007-08-17 | 0.657375 |