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 | 2000-12-12 | 1.394000 |
| 3 | 2008-12-08 | 1.941000 |
| 4 | 2010-12-30 | 0.050000 |
| 5 | 2012-12-27 | 0.092000 |
| 6 | 2021-12-07 | 4.067000 |
| 7 | 2022-12-07 | 0.132000 |
| 8 | 2003-12-16 | 1.183000 |
| 9 | 2004-12-13 | 3.622000 |
| 10 | 2007-12-10 | 4.346000 |
| 11 | 2018-12-06 | 2.125000 |
| 12 | 1988-06-29 | 0.024000 |
| 13 | 1989-06-29 | 0.040000 |
| 14 | 1995-12-08 | 0.008000 |
| 15 | 1996-12-09 | 0.980000 |
| 16 | 1997-12-08 | 2.050000 |
| 17 | 2010-12-07 | 0.542000 |
| 18 | 2015-11-06 | 4.510000 |
| 19 | 2016-06-27 | 2.339000 |
| 20 | 2016-12-07 | 2.441000 |
| 21 | 2022-06-22 | 2.167000 |
| 22 | 2023-06-22 | 0.693000 |
| 23 | 2023-12-07 | 2.543000 |
| 24 | 2025-06-24 | 1.373000 |
| 25 | 2025-12-05 | 4.795000 |
| 26 | 1986-10-15 | 0.010000 |
| 27 | 1987-07-15 | 0.010000 |
| 28 | 1990-12-20 | 0.018000 |
| 29 | 2006-12-11 | 3.603000 |
| 30 | 2011-12-06 | 2.880000 |
| 31 | 2017-12-06 | 2.038000 |
| 32 | 2020-06-19 | 0.047000 |
| 33 | 1988-12-28 | 0.020000 |
| 34 | 2019-12-05 | 0.280000 |
| 35 | 2026-06-22 | 2.943000 |
| 36 | 1987-12-15 | 0.040000 |
| 37 | 2005-12-12 | 1.972000 |
| 38 | 2009-12-07 | 0.178000 |
| 39 | 2014-12-05 | 6.647000 |
| 40 | 2019-06-18 | 1.031000 |
| 41 | 2020-12-07 | 0.149000 |
| 42 | 2024-12-06 | 1.043000 |
| 43 | 1987-01-15 | 0.020000 |
| 44 | 1989-12-20 | 0.025000 |
| 45 | 1990-06-28 | 0.020000 |
| 46 | 1991-06-28 | 0.025000 |
| 47 | 2012-12-07 | 1.784000 |
| 48 | 2013-12-05 | 7.533000 |
| 49 | 2018-06-21 | 0.956000 |
| 50 | 2021-06-24 | 1.887000 |
| 51 | 2001-12-11 | 2.165000 |
| 52 | 2017-06-21 | 2.797000 |
| 53 | 2024-06-24 | 1.857000 |