Greg Pomerantz
bb8e39605e
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)
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| 1 | Date | Dividends |
|---|---|---|
| 2 | 2002-06-07 | 0.001000 |
| 3 | 2018-12-26 | 1.022000 |
| 4 | 1991-12-20 | 0.181000 |
| 5 | 2013-12-06 | 0.817000 |
| 6 | 2009-12-11 | 0.012400 |
| 7 | 2020-12-29 | 2.911000 |
| 8 | 1994-12-16 | 0.103000 |
| 9 | 1997-01-03 | 0.007000 |
| 10 | 1986-01-13 | 0.007000 |
| 11 | 1996-12-13 | 0.167000 |
| 12 | 2014-01-10 | 0.070300 |
| 13 | 2008-12-30 | 0.001000 |
| 14 | 2016-01-15 | 0.035700 |
| 15 | 1999-01-08 | 0.044000 |
| 16 | 2001-01-05 | 0.016000 |
| 17 | 2019-12-27 | 0.821000 |
| 18 | 2016-12-27 | 0.816200 |
| 19 | 1987-12-16 | 0.001000 |
| 20 | 1996-01-05 | 0.021000 |
| 21 | 2011-12-16 | 0.276200 |
| 22 | 2021-12-28 | 3.890000 |
| 23 | 1989-12-19 | 0.184000 |
| 24 | 1993-01-08 | 0.004000 |
| 25 | 2008-01-11 | 0.000500 |
| 26 | 2024-12-26 | 3.575000 |
| 27 | 2025-12-26 | 2.376000 |
| 28 | 1995-12-15 | 0.173000 |
| 29 | 2013-01-11 | 0.015800 |
| 30 | 1988-12-30 | 0.011000 |
| 31 | 2008-12-12 | 0.006800 |
| 32 | 2012-12-14 | 0.247100 |
| 33 | 2014-12-05 | 0.448700 |
| 34 | 2023-12-26 | 1.224000 |
| 35 | 1992-01-10 | 0.033000 |
| 36 | 1998-01-02 | 0.043000 |
| 37 | 1999-12-17 | 0.585000 |
| 38 | 2005-01-07 | 0.001000 |
| 39 | 2015-01-16 | 0.020900 |
| 40 | 2015-12-04 | 0.515500 |
| 41 | 1985-01-07 | 0.007000 |
| 42 | 2004-12-17 | 0.007000 |
| 43 | 2010-12-30 | 0.000300 |
| 44 | 1984-01-16 | 0.003000 |
| 45 | 1992-12-18 | 0.124000 |
| 46 | 1994-01-07 | 0.011000 |
| 47 | 2000-12-22 | 0.655000 |
| 48 | 2017-12-26 | 0.845500 |
| 49 | 1993-12-17 | 0.295000 |
| 50 | 1998-12-18 | 0.339000 |
| 51 | 2000-01-07 | 0.095000 |
| 52 | 1997-12-26 | 0.450000 |
| 53 | 2007-12-14 | 0.059000 |
| 54 | 2022-12-27 | 1.620000 |