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 | 2011-12-21 | 0.363000 |
| 3 | 2018-06-25 | 0.640000 |
| 4 | 2019-06-24 | 0.795000 |
| 5 | 2020-12-21 | 0.944000 |
| 6 | 2024-09-25 | 0.025000 |
| 7 | 2025-03-26 | 0.020000 |
| 8 | 2025-12-26 | 1.375000 |
| 9 | 2006-12-21 | 0.052000 |
| 10 | 2013-06-24 | 0.675000 |
| 11 | 2015-12-21 | 0.350000 |
| 12 | 2021-12-27 | 0.753000 |
| 13 | 2022-06-24 | 0.995000 |
| 14 | 2026-06-25 | 1.330000 |
| 15 | 2023-12-22 | 0.530000 |
| 16 | 2009-12-21 | 0.289000 |
| 17 | 2011-06-22 | 0.534000 |
| 18 | 2015-06-22 | 0.346000 |
| 19 | 2019-09-24 | 0.060000 |
| 20 | 2022-09-26 | 0.001000 |
| 21 | 2023-03-27 | 0.785000 |
| 22 | 2023-06-26 | 0.461000 |
| 23 | 2025-06-25 | 1.095000 |
| 24 | 2009-03-23 | 0.038000 |
| 25 | 2010-06-28 | 0.313000 |
| 26 | 2012-06-25 | 0.611000 |
| 27 | 2016-06-20 | 0.465000 |
| 28 | 2017-06-26 | 0.640000 |
| 29 | 2019-12-23 | 0.791000 |
| 30 | 2024-06-25 | 0.243000 |
| 31 | 2010-12-22 | 0.388000 |
| 32 | 2014-12-19 | 0.356000 |
| 33 | 2016-09-26 | 0.005000 |
| 34 | 2017-12-26 | 0.647000 |
| 35 | 2014-06-23 | 0.436000 |
| 36 | 2017-09-26 | 0.002000 |
| 37 | 2020-06-23 | 0.935000 |
| 38 | 2022-12-23 | 0.661000 |
| 39 | 2023-12-28 | 0.046000 |
| 40 | 2024-12-26 | 0.964000 |
| 41 | 2025-09-25 | 0.090000 |
| 42 | 2009-06-22 | 0.392000 |
| 43 | 2021-09-24 | 0.025000 |
| 44 | 2024-03-22 | 0.615000 |
| 45 | 2021-06-24 | 0.698000 |
| 46 | 2007-12-17 | 0.612000 |
| 47 | 2008-12-22 | 0.456000 |
| 48 | 2010-09-20 | 0.051000 |
| 49 | 2012-12-24 | 0.362000 |
| 50 | 2013-12-24 | 0.447000 |
| 51 | 2016-12-23 | 0.619000 |
| 52 | 2018-12-24 | 0.580000 |