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 | 2012-12-28 | 0.066000 |
| 3 | 2018-12-28 | 2.991000 |
| 4 | 2019-12-27 | 1.730000 |
| 5 | 1997-12-30 | 1.834000 |
| 6 | 2009-12-22 | 0.305000 |
| 7 | 1999-09-30 | 0.058000 |
| 8 | 2013-12-27 | 0.950000 |
| 9 | 2023-12-27 | 0.439000 |
| 10 | 1997-03-31 | 0.062000 |
| 11 | 2005-12-27 | 0.396000 |
| 12 | 1996-09-30 | 0.060000 |
| 13 | 2002-12-27 | 0.010000 |
| 14 | 2020-12-29 | 1.181000 |
| 15 | 1996-12-30 | 0.798000 |
| 16 | 2008-12-23 | 0.551000 |
| 17 | 2015-12-29 | 1.166000 |
| 18 | 2022-12-28 | 0.911000 |
| 19 | 2000-03-31 | 0.057000 |
| 20 | 2003-09-30 | 0.008000 |
| 21 | 2003-12-18 | 0.177000 |
| 22 | 2004-12-17 | 0.257000 |
| 23 | 2007-12-12 | 0.675000 |
| 24 | 1998-03-31 | 0.066000 |
| 25 | 2001-09-28 | 0.001000 |
| 26 | 2001-12-31 | 0.028000 |
| 27 | 2005-06-30 | 0.007000 |
| 28 | 2006-12-26 | 0.499000 |
| 29 | 2000-06-30 | 0.050000 |
| 30 | 2010-12-30 | 0.006000 |
| 31 | 1996-06-28 | 0.062000 |
| 32 | 1999-03-31 | 0.053000 |
| 33 | 2014-12-29 | 1.631000 |
| 34 | 2025-12-30 | 1.059000 |
| 35 | 1998-09-30 | 0.056000 |
| 36 | 2006-12-28 | 0.447000 |
| 37 | 2004-06-30 | 0.004000 |
| 38 | 1998-12-29 | 2.296000 |
| 39 | 2000-09-29 | 0.041000 |
| 40 | 1999-06-30 | 0.055000 |
| 41 | 2003-06-30 | 0.012000 |
| 42 | 2011-12-29 | 0.018000 |
| 43 | 2017-12-28 | 1.417000 |
| 44 | 1997-09-30 | 0.068000 |
| 45 | 2000-12-27 | 0.143000 |
| 46 | 2024-12-27 | 1.389000 |
| 47 | 1997-06-30 | 0.063000 |
| 48 | 1999-12-23 | 1.826000 |
| 49 | 2016-12-29 | 1.220000 |
| 50 | 1998-06-30 | 0.063000 |
| 51 | 2021-12-29 | 2.462000 |
| 52 | 2005-03-31 | 0.008000 |
| 53 | 2007-12-28 | 1.648000 |
| 54 | 2001-03-30 | 0.003000 |