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 | 2023-09-20 | 0.260500 |
| 3 | 2024-09-25 | 0.261000 |
| 4 | 2015-03-25 | 0.099000 |
| 5 | 2017-09-27 | 0.166500 |
| 6 | 2017-12-26 | 0.186000 |
| 7 | 2020-06-24 | 0.206500 |
| 8 | 2021-06-22 | 0.218500 |
| 9 | 2022-12-22 | 0.300000 |
| 10 | 2024-12-23 | 0.293000 |
| 11 | 2019-03-20 | 0.120000 |
| 12 | 2019-12-24 | 0.220000 |
| 13 | 2025-12-24 | 0.330500 |
| 14 | 2018-09-26 | 0.173500 |
| 15 | 2022-09-21 | 0.201500 |
| 16 | 2023-12-20 | 0.328000 |
| 17 | 2026-03-25 | 0.256000 |
| 18 | 2023-03-22 | 0.177000 |
| 19 | 2024-03-20 | 0.193000 |
| 20 | 2014-06-25 | 0.083000 |
| 21 | 2015-12-22 | 0.145500 |
| 22 | 2016-12-21 | 0.212000 |
| 23 | 2017-03-22 | 0.097000 |
| 24 | 2021-12-23 | 0.317000 |
| 25 | 2022-03-23 | 0.176000 |
| 26 | 2025-06-25 | 0.275000 |
| 27 | 2025-09-24 | 0.274500 |
| 28 | 2014-09-24 | 0.107500 |
| 29 | 2018-06-20 | 0.213000 |
| 30 | 2025-03-26 | 0.232500 |
| 31 | 2026-06-24 | 0.304000 |
| 32 | 2015-06-24 | 0.129000 |
| 33 | 2016-03-23 | 0.103000 |
| 34 | 2016-06-22 | 0.123500 |
| 35 | 2019-09-25 | 0.182000 |
| 36 | 2020-12-23 | 0.267500 |
| 37 | 2020-03-25 | 0.172000 |
| 38 | 2021-03-23 | 0.188000 |
| 39 | 2013-12-24 | 0.067000 |
| 40 | 2014-12-22 | 0.119500 |
| 41 | 2015-09-23 | 0.124000 |
| 42 | 2016-09-21 | 0.136500 |
| 43 | 2017-06-21 | 0.107500 |
| 44 | 2019-06-25 | 0.193000 |
| 45 | 2021-09-22 | 0.206500 |
| 46 | 2022-06-22 | 0.194000 |
| 47 | 2023-06-21 | 0.231500 |
| 48 | 2014-03-26 | 0.090000 |
| 49 | 2018-03-21 | 0.121000 |
| 50 | 2018-12-26 | 0.210000 |
| 51 | 2020-09-23 | 0.207500 |
| 52 | 2024-06-26 | 0.275000 |