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 | 2017-08-02 | 0.263000 |
| 3 | 2017-11-02 | 0.157000 |
| 4 | 2018-11-02 | 0.148000 |
| 5 | 2023-08-02 | 0.167000 |
| 6 | 2024-05-02 | 0.111000 |
| 7 | 2024-08-02 | 0.165000 |
| 8 | 2014-11-04 | 0.179000 |
| 9 | 2016-08-02 | 0.278000 |
| 10 | 2024-11-04 | 0.033000 |
| 11 | 2019-05-02 | 0.144000 |
| 12 | 2022-08-02 | 0.157000 |
| 13 | 2023-05-02 | 0.150000 |
| 14 | 2024-12-13 | 7.730000 |
| 15 | 2015-08-04 | 0.307000 |
| 16 | 2016-12-29 | 3.580000 |
| 17 | 2020-12-15 | 2.385000 |
| 18 | 2021-05-04 | 0.112000 |
| 19 | 2025-08-04 | 0.133000 |
| 20 | 2025-12-15 | 11.184000 |
| 21 | 2026-08-04 | 0.095000 |
| 22 | 2014-12-30 | 0.134000 |
| 23 | 2016-05-03 | 0.247000 |
| 24 | 2015-11-03 | 0.155000 |
| 25 | 2018-08-02 | 0.287000 |
| 26 | 2019-08-02 | 0.216000 |
| 27 | 2020-05-04 | 0.163000 |
| 28 | 2025-05-02 | 0.063000 |
| 29 | 2013-12-17 | 0.222000 |
| 30 | 2014-12-16 | 1.344000 |
| 31 | 2015-05-04 | 0.284000 |
| 32 | 2016-11-02 | 0.131000 |
| 33 | 2019-11-04 | 0.104000 |
| 34 | 2019-12-13 | 3.735000 |
| 35 | 2020-11-03 | 0.117000 |
| 36 | 2013-11-04 | 0.174000 |
| 37 | 2014-05-02 | 0.280000 |
| 38 | 2020-08-04 | 0.135000 |
| 39 | 2022-12-14 | 4.167000 |
| 40 | 2026-05-04 | 0.070000 |
| 41 | 2014-08-04 | 0.317000 |
| 42 | 2015-12-30 | 3.527000 |
| 43 | 2018-05-02 | 0.136000 |
| 44 | 2022-11-02 | 0.084000 |
| 45 | 2023-11-02 | 0.088000 |
| 46 | 2023-12-14 | 1.069000 |
| 47 | 2017-05-02 | 0.213000 |
| 48 | 2017-12-28 | 6.909000 |
| 49 | 2021-12-15 | 5.876000 |
| 50 | 2022-05-03 | 0.105000 |
| 51 | 2018-12-13 | 5.654000 |
| 52 | 2021-08-03 | 0.153000 |