f/overrides/event-backup/dfisx-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

91 lines
1.8 KiB
Plaintext

Date,Dividends
2004-06-08,0.115000
2022-03-30,0.020000
2024-09-27,0.204000
2012-12-13,0.230000
2023-09-28,0.129000
2016-03-30,0.076000
2017-09-28,0.074000
2021-03-30,0.021000
2024-03-27,0.020000
1999-12-20,0.191000
2005-12-19,0.905000
2006-12-18,0.825000
2007-03-08,0.012000
2025-09-29,0.176000
2020-06-29,0.039000
2023-06-29,0.216000
2024-06-27,0.190000
2010-03-09,0.009000
2013-03-08,0.002000
2016-09-29,0.034000
2017-12-15,0.980000
2001-12-17,0.151000
2016-06-29,0.193000
2022-09-29,0.128000
2017-06-29,0.120000
2025-06-27,0.284000
2018-12-18,1.097000
2020-09-29,0.041000
2021-12-15,1.235000
2008-12-10,0.078000
2012-06-08,0.194000
2013-09-10,0.008000
2015-06-08,0.085000
2008-03-10,0.032000
2010-09-08,0.030000
2015-09-09,0.077000
2023-12-13,0.217000
2016-12-15,0.608000
2019-06-27,0.091000
2019-09-27,0.076000
2019-12-17,0.691000
2005-09-08,0.048000
2012-03-08,0.011000
2013-06-10,0.226000
2013-12-12,0.775000
2022-12-14,0.378000
2021-06-29,0.046000
2004-09-08,0.047000
2010-06-08,0.136000
2010-12-09,0.214000
2018-06-28,0.055000
2021-09-29,0.043000
2026-06-29,0.282000
1998-12-21,0.149000
2000-12-18,0.304000
2008-06-10,0.237000
2014-06-09,0.113000
2011-03-08,0.012000
2012-09-10,0.039000
2018-09-27,0.082000
2025-03-28,0.027000
2005-06-08,0.143000
2007-09-10,0.087000
2009-06-09,0.135000
2009-09-09,0.041000
2014-12-16,0.832000
2006-06-08,0.165000
2009-12-09,0.087000
2011-12-13,0.454000
2014-09-09,0.073000
2007-06-08,0.202000
2008-09-09,0.083000
2011-06-08,0.189000
2020-12-16,0.266000
1996-12-27,0.017000
2002-12-16,0.136000
2003-12-22,0.177000
2006-09-08,0.071000
2022-06-29,0.085000
2024-12-13,0.245000
2026-03-30,0.016000
1997-12-22,0.107000
2009-03-10,0.016000
2023-03-30,0.021000
2025-12-15,0.329000
2004-12-20,0.432000
2007-12-19,1.266000
2011-09-08,0.082000
2015-12-16,0.607000