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 | 2014-03-14 | 0.058000 |
| 3 | 2016-09-12 | 0.070000 |
| 4 | 2018-03-09 | 0.029000 |
| 5 | 2019-09-09 | 0.276000 |
| 6 | 2019-12-18 | 1.432000 |
| 7 | 2021-09-07 | 0.177000 |
| 8 | 2024-12-19 | 31.481000 |
| 9 | 2025-03-10 | 0.182000 |
| 10 | 2025-06-09 | 0.211000 |
| 11 | 2026-03-18 | 0.248000 |
| 12 | 2015-03-13 | 0.102000 |
| 13 | 2018-12-18 | 1.870000 |
| 14 | 2023-06-12 | 0.232000 |
| 15 | 2025-09-08 | 0.175000 |
| 16 | 2016-06-10 | 0.094000 |
| 17 | 2019-03-08 | 0.231000 |
| 18 | 2020-06-08 | 0.394000 |
| 19 | 2020-09-08 | 0.189000 |
| 20 | 2022-09-12 | 0.225000 |
| 21 | 2026-06-17 | 0.207000 |
| 22 | 2014-06-13 | 0.053000 |
| 23 | 2023-03-13 | 0.275000 |
| 24 | 2023-09-11 | 0.164000 |
| 25 | 2023-12-20 | 0.157000 |
| 26 | 2023-12-21 | 6.213000 |
| 27 | 2014-12-16 | 0.361000 |
| 28 | 2017-06-09 | 0.162000 |
| 29 | 2018-06-08 | 0.182000 |
| 30 | 2020-12-21 | 5.390000 |
| 31 | 2021-06-07 | 0.259000 |
| 32 | 2022-06-06 | 0.305000 |
| 33 | 2024-06-10 | 0.242000 |
| 34 | 2013-12-13 | 0.284000 |
| 35 | 2014-09-16 | 0.033000 |
| 36 | 2015-09-10 | 0.036000 |
| 37 | 2016-03-11 | 0.104000 |
| 38 | 2018-09-10 | 0.173000 |
| 39 | 2019-06-07 | 0.303000 |
| 40 | 2021-12-21 | 11.539000 |
| 41 | 2024-09-09 | 0.236000 |
| 42 | 2016-12-16 | 0.389000 |
| 43 | 2017-03-10 | 0.081000 |
| 44 | 2017-09-11 | 0.120000 |
| 45 | 2021-03-08 | 0.174000 |
| 46 | 2022-03-07 | 0.293000 |
| 47 | 2025-12-18 | 4.832000 |
| 48 | 2015-06-12 | 0.074000 |
| 49 | 2015-12-17 | 0.323000 |
| 50 | 2017-12-18 | 2.906000 |
| 51 | 2020-03-09 | 0.231000 |
| 52 | 2022-12-21 | 15.460000 |
| 53 | 2024-03-11 | 0.233000 |