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 | 2020-12-14 | 0.295000 |
| 3 | 2022-06-09 | 0.993000 |
| 4 | 2025-12-16 | 0.601000 |
| 5 | 2013-06-27 | 1.020000 |
| 6 | 2014-12-17 | 0.231000 |
| 7 | 2019-12-16 | 0.416000 |
| 8 | 2009-06-23 | 0.444000 |
| 9 | 2011-06-22 | 1.038000 |
| 10 | 2013-12-18 | 0.222000 |
| 11 | 2016-06-22 | 1.119000 |
| 12 | 1998-12-22 | 0.065000 |
| 13 | 1999-12-21 | 1.010000 |
| 14 | 2008-06-25 | 1.261000 |
| 15 | 2015-12-21 | 0.026000 |
| 16 | 1999-08-25 | 0.680000 |
| 17 | 2012-06-21 | 0.914000 |
| 18 | 2015-06-25 | 1.166000 |
| 19 | 2014-06-25 | 1.009000 |
| 20 | 2016-12-21 | 0.005000 |
| 21 | 2018-06-19 | 1.444000 |
| 22 | 2020-06-15 | 0.095000 |
| 23 | 2023-12-20 | 0.953000 |
| 24 | 1996-08-26 | 0.418000 |
| 25 | 1996-12-23 | 0.019000 |
| 26 | 2003-12-16 | 0.120000 |
| 27 | 2005-12-23 | 0.420000 |
| 28 | 2008-12-23 | 0.019000 |
| 29 | 2022-12-13 | 0.198000 |
| 30 | 2024-06-11 | 0.659000 |
| 31 | 2026-06-15 | 1.194000 |
| 32 | 1997-12-23 | 0.042000 |
| 33 | 2000-12-20 | 0.800000 |
| 34 | 2004-12-23 | 0.148000 |
| 35 | 2017-06-20 | 0.756000 |
| 36 | 2018-12-18 | 0.017000 |
| 37 | 2025-06-16 | 1.010000 |
| 38 | 2000-08-24 | 5.391000 |
| 39 | 2003-12-22 | 0.246000 |
| 40 | 2007-12-20 | 1.107000 |
| 41 | 2021-12-13 | 1.204000 |
| 42 | 1998-08-25 | 0.942000 |
| 43 | 2019-06-17 | 0.949000 |
| 44 | 2021-06-10 | 1.124000 |
| 45 | 2006-12-20 | 0.340000 |
| 46 | 2009-12-22 | 0.057000 |
| 47 | 2010-06-23 | 0.551000 |
| 48 | 2017-12-19 | 0.339000 |
| 49 | 2021-12-30 | 0.203000 |
| 50 | 1997-08-25 | 0.756000 |
| 51 | 2001-08-24 | 0.048000 |
| 52 | 2002-12-23 | 0.122000 |