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)
2.3 KiB
2.3 KiB
| 1 | Date | Dividends | ctime |
|---|---|---|---|
| 2 | 2016-12-05 | 0.033000 | 2021-12-20 11:20:16 |
| 3 | 2016-12-05 | 0.108 | 2017-08-22 |
| 4 | 2016-12-06 | 0.0 | 2017-08-22 |
| 5 | 2017-12-05 | 0.000000 | 2021-12-20 11:20:16 |
| 6 | 2017-12-05 | 0.259 | 2017-12-11 20:07:47 |
| 7 | 2018-12-07 | 0.771 | 2022-03-10 12:28:16 |
| 8 | 2018-12-07 | 0.000000 | 2022-01-02 19:32:04 |
| 9 | 2018-12-07 | 0.771 | 2021-12-27 08:45:46 |
| 10 | 2018-12-07 | 0.000000 | 2021-12-20 11:20:16 |
| 11 | 2018-12-07 | 0.0 | 2021-10-23 20:14:09 |
| 12 | 2018-12-07 | 0.771 | 2021-08-22 11:35:58 |
| 13 | 2018-12-07 | 0.0 | 2021-03-01 22:16:32 |
| 14 | 2018-12-07 | 0.771 | 2018-12-20 11:23:51 |
| 15 | 2016-12-05 | 0.108 | 2018-12-20 11:23:51 |
| 16 | 2016-12-06 | 0.0 | 2018-12-20 11:23:51 |
| 17 | 2017-12-05 | 0.259 | 2018-12-20 11:23:51 |
| 18 | 2019-12-09 | 0.011000 | 2021-12-20 11:20:16 |
| 19 | 2019-12-09 | 0.41 | 2020-01-10 20:00:07 |
| 20 | 2019-12-09 | 0.399 | 2019-12-19 07:25:20 |
| 21 | 2020-12-10 | 0.437 | 2022-03-10 12:28:16 |
| 22 | 2016-12-05 | 0.108 | 2022-04-04 08:46:35 |
| 23 | 2016-12-06 | 0.0 | 2022-04-04 08:46:35 |
| 24 | 2017-12-05 | 0.259 | 2022-04-04 08:46:35 |
| 25 | 2019-12-09 | 0.41 | 2022-04-04 08:46:35 |
| 26 | 2020-12-10 | 0.000000 | 2022-01-02 19:32:04 |
| 27 | 2016-12-05 | 0.108 | 2022-03-10 12:28:16 |
| 28 | 2016-12-06 | 0.0 | 2022-03-10 12:28:16 |
| 29 | 2017-12-05 | 0.259 | 2022-03-10 12:28:16 |
| 30 | 2019-12-09 | 0.41 | 2022-03-10 12:28:16 |
| 31 | 2020-12-10 | 0.437 | 2021-12-27 08:45:46 |
| 32 | 2020-12-10 | 0.000000 | 2021-12-20 11:20:16 |
| 33 | 2016-12-05 | 0.108 | 2021-12-27 08:45:46 |
| 34 | 2016-12-06 | 0.0 | 2021-12-27 08:45:46 |
| 35 | 2017-12-05 | 0.259 | 2021-12-27 08:45:46 |
| 36 | 2019-12-09 | 0.41 | 2021-12-27 08:45:46 |
| 37 | 2020-12-10 | 0.0 | 2021-10-23 20:14:09 |
| 38 | 2020-12-10 | 0.437 | 2021-08-22 11:35:58 |
| 39 | 2016-12-05 | 0.033 | 2021-10-23 20:14:09 |
| 40 | 2016-12-05 | 0.108 | 2021-08-23 19:55:00 |
| 41 | 2016-12-06 | 0.0 | 2021-08-23 19:55:00 |
| 42 | 2017-12-05 | 0.0 | 2021-10-23 20:14:09 |
| 43 | 2017-12-05 | 0.259 | 2021-08-23 19:55:00 |
| 44 | 2019-12-09 | 0.011 | 2021-10-23 20:14:09 |
| 45 | 2019-12-09 | 0.41 | 2021-08-23 19:55:00 |
| 46 | 2020-12-10 | 0.0 | 2021-03-01 22:16:32 |
| 47 | 2016-12-05 | 0.108 | 2021-08-22 11:35:58 |
| 48 | 2016-12-05 | 0.033 | 2021-04-07 15:12:50 |
| 49 | 2016-12-06 | 0.0 | 2021-08-22 11:35:58 |
| 50 | 2017-12-05 | 0.259 | 2021-08-22 11:35:58 |
| 51 | 2017-12-05 | 0.0 | 2021-04-07 15:12:50 |
| 52 | 2019-12-09 | 0.41 | 2021-08-22 11:35:58 |
| 53 | 2019-12-09 | 0.011 | 2021-04-07 15:12:50 |
| 54 | 2020-12-10 | 0.437 | 2020-12-17 10:32:49 |
| 55 | 2016-12-05 | 0.033 | 2021-03-01 22:16:32 |
| 56 | 2016-12-05 | 0.108 | 2020-12-17 10:32:49 |
| 57 | 2016-12-06 | 0.0 | 2020-12-17 10:32:49 |
| 58 | 2017-12-05 | 0.0 | 2021-03-01 22:16:32 |
| 59 | 2017-12-05 | 0.259 | 2020-12-17 10:32:49 |
| 60 | 2019-12-09 | 0.011 | 2021-03-01 22:16:32 |
| 61 | 2019-12-09 | 0.41 | 2020-12-17 10:32:49 |
| 62 | 2021-12-09 | 0.000000 | 2022-03-10 08:33:27 |