f/overrides/event-backup/freex-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

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Date,Dividends
2003-03-17,0.006000
2013-09-16,0.065000
2015-09-15,0.076000
2022-12-15,0.411000
1994-12-15,0.280000
2003-06-16,0.171000
2013-12-16,0.074000
2014-06-16,0.092000
2023-12-20,0.734000
2002-07-18,0.038000
2010-06-15,0.015000
2011-09-15,0.038000
2012-12-17,0.053000
2004-09-15,0.106000
2008-12-15,1.018000
2012-09-17,0.037000
2015-03-16,0.050000
2016-06-15,0.212000
2024-03-20,0.001000
1998-12-15,0.982000
2002-10-18,0.037000
2014-09-15,0.062000
2022-09-20,0.091000
2024-06-20,0.085000
2000-09-15,0.202000
2007-09-17,0.155000
2009-12-15,0.091000
2010-09-15,0.049000
2016-03-15,0.082000
2016-09-15,0.080000
2017-12-15,2.245000
2026-06-22,0.006000
2001-03-15,0.015000
2005-03-11,0.061000
2005-12-15,3.788000
2008-09-15,0.143000
2018-06-15,0.005000
2025-09-22,0.078000
2000-03-15,0.070000
2000-06-15,0.193000
2008-03-17,0.082000
2018-09-17,0.082000
2023-03-20,0.005000
2023-06-20,0.093000
2025-06-20,0.007000
1997-12-15,0.550000
2002-03-15,0.037000
2003-09-15,0.159000
2004-03-15,0.004000
2006-06-15,0.142000
2015-12-15,0.118000
2021-12-15,1.240000
1999-12-15,0.683000
2005-09-15,0.152000
2006-12-15,4.619000
2007-03-15,0.053000
2009-09-15,0.070000
2015-06-15,0.091000
2017-09-15,0.076000
2018-12-17,0.938000
1996-12-16,0.460000
2019-09-16,0.052000
2002-09-16,0.172000
2013-03-15,0.050000
2000-12-15,0.254000
2010-04-30,0.028000
2017-06-15,0.017000
2019-12-16,3.400000
2020-09-15,0.067000
2024-09-20,0.102000
2006-09-15,0.078000
2002-06-19,0.038000
2008-06-16,0.132000
2023-09-20,0.085000
2001-09-17,0.175000
2003-12-15,0.294000
2004-06-15,0.196000
2004-12-15,1.653000
2007-06-15,0.129000
2014-12-15,0.091000
2022-12-20,0.131000
2024-12-20,1.773000
2002-12-13,0.275000
2005-06-15,0.103000
2007-12-17,1.376000
2012-06-15,0.068000
2013-06-17,0.074000
2025-12-22,0.968000
1995-12-15,0.470000
2001-12-14,0.256000
2009-06-15,0.036000
2011-06-15,0.044000
2014-03-17,0.029000
2016-12-15,0.603000
2019-06-17,0.022000
2020-06-15,0.059000
2001-06-15,0.174000
2021-09-15,0.039000
2020-12-15,1.374000