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 | 2022-06-01 | 0.070000 |
| 3 | 2023-10-02 | 0.425000 |
| 4 | 2025-04-01 | 0.352000 |
| 5 | 2026-03-02 | 0.272000 |
| 6 | 2026-08-03 | 0.306000 |
| 7 | 2023-04-03 | 0.392000 |
| 8 | 2024-11-01 | 0.395000 |
| 9 | 2025-03-03 | 0.322000 |
| 10 | 2025-08-01 | 0.346000 |
| 11 | 2025-09-02 | 0.346000 |
| 12 | 2026-02-02 | 0.302000 |
| 13 | 2024-05-01 | 0.417000 |
| 14 | 2024-08-01 | 0.437000 |
| 15 | 2022-08-01 | 0.131000 |
| 16 | 2022-10-03 | 0.198000 |
| 17 | 2023-02-01 | 0.416000 |
| 18 | 2023-03-01 | 0.343000 |
| 19 | 2023-07-03 | 0.405000 |
| 20 | 2024-02-01 | 0.454000 |
| 21 | 2024-10-01 | 0.408000 |
| 22 | 2025-10-01 | 0.329000 |
| 23 | 2025-12-18 | 0.337000 |
| 24 | 2025-02-03 | 0.365000 |
| 25 | 2025-11-03 | 0.326000 |
| 26 | 2022-09-01 | 0.172000 |
| 27 | 2022-12-19 | 0.311000 |
| 28 | 2023-06-01 | 0.402000 |
| 29 | 2023-11-01 | 0.446000 |
| 30 | 2024-03-01 | 0.404000 |
| 31 | 2024-06-03 | 0.434000 |
| 32 | 2026-07-01 | 0.293000 |
| 33 | 2025-06-02 | 0.347000 |
| 34 | 2025-07-01 | 0.334000 |
| 35 | 2026-05-01 | 0.291000 |
| 36 | 2022-11-01 | 0.283000 |
| 37 | 2023-05-01 | 0.380000 |
| 38 | 2023-12-18 | 0.434000 |
| 39 | 2026-06-01 | 0.301000 |
| 40 | 2024-12-19 | 0.368000 |
| 41 | 2025-05-01 | 0.337000 |
| 42 | 2022-12-01 | 0.327000 |
| 43 | 2023-08-01 | 0.427000 |
| 44 | 2023-09-01 | 0.435000 |
| 45 | 2023-12-01 | 0.434000 |
| 46 | 2024-04-01 | 0.430000 |
| 47 | 2024-12-02 | 0.367000 |
| 48 | 2022-07-01 | 0.110000 |
| 49 | 2024-07-01 | 0.424000 |
| 50 | 2024-09-03 | 0.429000 |
| 51 | 2025-12-01 | 0.306000 |
| 52 | 2026-04-01 | 0.289000 |