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 | 2020-05-07 | 0.284000 |
| 3 | 2014-03-26 | 0.153000 |
| 4 | 2023-08-10 | 0.320000 |
| 5 | 2020-12-22 | 0.032000 |
| 6 | 2023-05-11 | 0.308000 |
| 7 | 2015-12-23 | 0.063000 |
| 8 | 2017-03-22 | 0.156000 |
| 9 | 2021-05-13 | 0.239000 |
| 10 | 2023-11-09 | 0.322000 |
| 11 | 2021-02-11 | 0.352000 |
| 12 | 2021-11-10 | 0.627000 |
| 13 | 2023-02-09 | 0.315000 |
| 14 | 2025-02-12 | 0.356000 |
| 15 | 2025-08-13 | 0.386000 |
| 16 | 2014-09-24 | 0.162000 |
| 17 | 2015-09-23 | 0.131000 |
| 18 | 2016-09-21 | 0.207000 |
| 19 | 2021-08-12 | 0.244000 |
| 20 | 2026-08-12 | 0.386000 |
| 21 | 2015-03-25 | 0.183000 |
| 22 | 2020-11-12 | 0.244000 |
| 23 | 2022-08-11 | 0.276000 |
| 24 | 2024-02-08 | 0.343000 |
| 25 | 2026-05-13 | 0.386000 |
| 26 | 2025-05-14 | 0.377000 |
| 27 | 2026-02-11 | 0.392000 |
| 28 | 2018-06-21 | 0.192000 |
| 29 | 2014-12-24 | 0.115000 |
| 30 | 2017-09-21 | 0.243000 |
| 31 | 2019-08-08 | 0.312000 |
| 32 | 2020-08-13 | 0.263000 |
| 33 | 2019-05-09 | 0.288000 |
| 34 | 2020-02-13 | 0.288000 |
| 35 | 2021-12-22 | 0.028000 |
| 36 | 2014-06-25 | 0.181000 |
| 37 | 2015-06-24 | 0.206000 |
| 38 | 2016-12-21 | 0.084000 |
| 39 | 2018-03-22 | 0.174000 |
| 40 | 2024-11-13 | 0.346000 |
| 41 | 2025-11-12 | 0.380000 |
| 42 | 2022-02-10 | 0.211000 |
| 43 | 2022-05-12 | 0.322000 |
| 44 | 2024-05-09 | 0.341000 |
| 45 | 2024-08-08 | 0.342000 |
| 46 | 2018-09-20 | 0.170000 |
| 47 | 2019-02-14 | 0.259000 |
| 48 | 2017-06-21 | 0.241000 |
| 49 | 2017-12-21 | 0.049000 |
| 50 | 2013-12-26 | 0.066000 |
| 51 | 2016-06-22 | 0.244000 |
| 52 | 2018-12-20 | 0.186000 |
| 53 | 2019-11-14 | 0.350000 |
| 54 | 2022-11-09 | 0.296000 |