f/overrides/event-backup/macfx-dividend.csv
Greg Pomerantz bb8e39605e Event-history protection: backup dir, empty-download fallback, docs
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)
2026-08-31 21:59:25 -04:00

72 lines
1.4 KiB
Plaintext

Date,Dividends
2023-03-23,0.044000
2024-06-25,0.093000
2014-09-25,0.053000
2015-06-25,0.043000
2015-09-28,0.044000
2017-12-27,0.557000
2018-03-27,0.040000
2026-06-25,0.086000
2016-09-27,0.054000
2024-03-26,0.068000
2011-03-24,0.048000
2013-03-27,0.049000
2013-06-26,0.059000
2019-12-26,0.381000
2011-06-23,0.055000
2012-06-26,0.080000
2012-12-27,0.116000
2006-12-27,0.508000
2014-06-26,0.061000
2021-03-25,0.037000
2023-12-27,0.322000
2026-03-26,0.069000
2015-03-26,0.033000
2017-09-27,0.056000
2019-09-26,0.067000
2022-09-22,0.077000
2025-06-26,0.092000
2024-09-26,0.123000
2004-12-30,0.213000
2020-09-24,0.051000
2023-06-22,0.068000
2009-12-28,0.349000
2010-12-28,0.309000
2024-12-26,0.839000
2023-09-21,0.099000
2025-12-23,0.794000
2005-12-29,0.320000
2012-09-25,0.075000
2013-12-27,0.118000
2014-12-29,0.177000
2020-06-25,0.054000
2025-09-25,0.110000
2008-12-26,0.436000
2020-03-26,0.049000
2021-12-28,0.539000
2016-12-28,0.249000
2018-09-26,0.071000
2021-09-23,0.055000
2022-03-24,0.027000
2025-03-25,0.068000
2007-12-28,0.621000
2011-12-27,0.167000
2012-03-22,0.027000
2019-06-26,0.062000
2020-12-29,0.340000
2022-06-23,0.061000
2015-12-29,0.268000
2017-06-28,0.030000
2018-06-27,0.061000
2016-06-28,0.031000
2021-06-24,0.042000
2022-12-28,0.353000
2003-12-30,0.178000
2011-09-27,0.094000
2014-03-27,0.048000
2018-12-27,0.533000
2019-03-27,0.049000
2013-09-25,0.049000
2016-03-29,0.035000
2017-03-29,0.037000