f/overrides/event-backup/ktf-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

451 lines
8.8 KiB
Plaintext

Date,Dividends
2000-06-13,0.069000
2017-02-16,0.070000
2017-09-15,0.060000
1989-12-11,0.072000
1999-01-13,0.068000
1990-07-09,0.072000
2000-07-13,0.069000
2005-02-15,0.068000
2015-01-15,0.070000
1990-09-10,0.072000
1996-03-13,0.072000
1995-10-06,0.072000
2003-06-12,0.065000
2010-02-11,0.070000
1992-03-09,0.072000
1993-03-09,0.072000
2011-07-14,0.070000
2012-03-15,0.070000
2021-09-17,0.042000
2009-01-15,0.056000
2016-06-16,0.070000
2016-10-13,0.070000
2017-06-15,0.070000
2022-12-16,0.028000
1995-06-13,0.072000
2017-12-15,0.061000
1989-08-09,0.072000
2006-11-16,0.040000
2013-06-18,0.070000
2013-07-18,0.070000
2022-02-17,0.038000
2010-05-13,0.070000
2024-03-19,0.035000
1996-01-11,0.072000
2001-04-11,0.060000
2010-11-16,0.070000
2018-10-12,0.048000
2023-07-14,0.025000
2023-12-15,0.027000
2015-10-15,0.070000
2009-05-14,0.065000
2009-07-15,0.065000
1997-01-13,0.075000
2002-05-14,0.060000
2006-04-17,0.052000
2005-07-14,0.068000
1998-12-11,0.075000
1999-04-13,0.068000
2001-02-13,0.060000
2019-10-16,0.043000
2021-11-18,0.042000
2000-03-13,0.068000
2004-07-14,0.068000
2004-11-12,0.068000
2008-11-13,0.051000
2022-07-15,0.035000
1998-11-10,0.075000
2005-03-15,0.068000
2014-04-16,0.070000
2024-08-19,0.061000
1999-11-10,0.069000
2013-05-16,0.070000
2026-01-21,0.061000
1992-12-09,0.072000
2006-06-14,0.048000
2008-01-16,0.048000
2010-04-15,0.070000
2012-04-18,0.070000
2016-12-15,0.080000
2006-08-15,0.045000
2009-02-12,0.062000
1989-10-06,0.072000
2001-03-13,0.060000
2002-12-12,0.065000
2009-08-13,0.068000
2022-04-14,0.035000
1999-08-11,0.068000
2008-12-11,0.071000
2009-12-15,0.070000
2024-10-17,0.061000
1991-10-08,0.072000
2002-06-13,0.060000
2005-10-13,0.068000
2019-12-13,0.059000
2026-03-20,0.061000
2011-03-16,0.070000
2017-04-12,0.070000
2019-04-12,0.043000
1997-04-11,0.075000
2001-11-13,0.060000
2004-04-14,0.068000
2012-09-19,0.070000
1991-12-09,0.072000
1995-07-10,0.072000
2004-12-15,0.068000
2020-07-17,0.040000
1995-09-11,0.072000
2000-11-13,0.060000
2006-10-12,0.045000
2007-02-14,0.048000
2016-08-16,0.070000
1992-04-09,0.072000
1999-05-12,0.068000
2002-11-13,0.065000
2007-04-12,0.048000
2012-12-18,0.070000
2010-09-16,0.070000
2026-06-24,0.061000
1991-02-11,0.072000
1998-08-12,0.075000
2009-09-16,0.068000
2017-11-17,0.053000
2019-02-15,0.043000
2018-01-18,0.053000
2018-06-15,0.053000
1994-06-09,0.072000
2020-02-14,0.040000
1989-07-10,0.072000
2004-10-14,0.068000
2009-10-14,0.068000
2011-01-13,0.070000
1996-05-13,0.072000
2008-05-15,0.048000
2011-09-15,0.070000
2013-12-18,0.078000
2025-09-19,0.061000
1990-11-08,0.072000
1996-12-11,0.075000
2003-10-16,0.068000
1998-05-13,0.075000
2025-01-21,0.061000
1990-02-09,0.072000
2019-05-17,0.043000
2020-11-18,0.040000
2017-03-16,0.070000
2020-05-15,0.040000
2025-12-30,0.033000
2026-08-19,0.061000
2020-04-15,0.033000
2023-11-17,0.025000
1993-01-11,0.072000
2007-08-15,0.048000
2010-07-15,0.070000
2013-08-15,0.070000
2006-07-13,0.045000
2025-05-19,0.061000
1995-03-09,0.072000
1997-02-12,0.075000
2000-08-11,0.069000
2002-07-11,0.060000
2016-05-17,0.070000
2019-03-15,0.043000
2025-04-21,0.061000
1990-01-08,0.072000
1999-03-11,0.068000
2010-08-12,0.070000
2011-06-15,0.070000
2014-10-16,0.070000
2021-03-18,0.042000
1994-12-09,0.072000
2011-10-13,0.070000
2005-08-11,0.068000
2007-03-15,0.048000
2020-10-16,0.040000
2023-03-17,0.028000
1995-04-07,0.072000
2004-03-11,0.068000
2008-08-14,0.051000
2019-11-15,0.040000
2020-09-18,0.040000
2021-01-15,0.042000
2002-10-15,0.060000
2021-12-16,0.040000
2025-03-20,0.061000
2025-06-20,0.061000
1991-05-09,0.072000
1992-02-10,0.072000
1993-05-10,0.072000
2002-02-13,0.060000
2022-10-14,0.032000
2024-05-16,0.061000
2007-12-13,0.048000
2016-11-17,0.070000
2012-02-16,0.070000
2014-09-17,0.070000
2024-01-18,0.027000
2025-07-21,0.061000
1993-12-09,0.072000
2012-05-16,0.070000
2015-07-16,0.070000
2016-01-14,0.070000
1993-10-08,0.072000
2000-05-11,0.068000
2003-05-14,0.065000
2009-03-12,0.062000
2014-02-18,0.070000
2015-03-18,0.070000
1997-09-11,0.075000
2001-05-11,0.060000
2015-02-17,0.070000
1993-07-09,0.072000
2004-08-12,0.068000
2009-04-15,0.062000
2018-02-16,0.053000
2021-10-15,0.042000
2023-01-13,0.028000
2013-09-19,0.070000
2018-08-17,0.048000
2017-05-17,0.070000
1993-11-08,0.072000
1999-07-13,0.069000
2005-04-14,0.068000
2006-02-14,0.068000
2010-12-14,0.070000
2011-04-14,0.070000
2004-02-12,0.068000
2017-08-16,0.060000
2021-05-14,0.042000
1997-10-10,0.075000
2001-10-11,0.060000
2003-02-12,0.065000
2006-05-16,0.048000
2008-06-12,0.048000
1997-07-11,0.075000
2023-10-13,0.024000
1991-06-10,0.072000
1998-01-13,0.075000
2001-12-13,0.060000
2024-12-18,0.061000
1994-02-09,0.072000
2005-01-13,0.068000
2012-08-16,0.070000
2019-09-18,0.043000
2023-02-17,0.028000
1997-08-13,0.075000
2004-01-14,0.068000
2007-07-12,0.048000
2015-05-14,0.070000
2017-01-17,0.070000
2014-01-16,0.070000
1996-06-12,0.072000
2020-06-17,0.040000
2002-09-12,0.060000
2008-09-16,0.051000
2002-08-14,0.060000
2024-06-20,0.061000
1990-12-10,0.072000
1991-08-09,0.072000
2018-07-13,0.053000
2021-06-17,0.042000
2023-08-17,0.025000
1994-09-09,0.072000
1999-12-13,0.069000
2006-03-14,0.052000
2018-03-16,0.053000
2007-10-11,0.048000
2008-10-14,0.051000
2018-05-18,0.053000
1996-11-13,0.075000
2005-11-15,0.068000
2019-07-17,0.043000
2021-02-17,0.042000
2026-02-20,0.061000
1994-10-07,0.072000
2005-12-15,0.068000
2010-03-17,0.070000
2016-07-14,0.070000
2021-08-13,0.042000
2023-04-14,0.027000
1996-02-13,0.072000
1998-10-13,0.075000
2000-01-13,0.069000
2010-01-14,0.070000
2013-01-17,0.070000
2015-09-17,0.070000
1992-11-06,0.072000
1994-07-11,0.072000
1995-05-09,0.072000
2001-01-11,0.060000
1994-05-09,0.072000
1996-10-10,0.072000
1993-09-09,0.072000
2004-06-15,0.068000
2011-05-17,0.070000
2011-11-15,0.070000
2014-08-14,0.070000
2018-11-16,0.048000
1992-01-09,0.072000
1998-07-13,0.075000
2023-09-15,0.024000
2024-12-30,0.016000
1991-04-09,0.072000
1992-07-09,0.072000
2003-03-13,0.065000
1996-09-11,0.072000
2026-05-20,0.061000
2015-06-18,0.070000
1991-07-09,0.072000
1997-11-12,0.075000
2024-11-20,0.061000
1992-05-11,0.072000
1992-09-09,0.072000
1995-08-09,0.072000
1997-12-11,0.075000
2013-04-18,0.070000
2022-04-18,0.035000
2002-03-13,0.060000
2013-03-14,0.070000
2020-08-14,0.040000
2020-01-17,0.040000
1995-02-09,0.072000
1999-10-13,0.069000
2007-06-14,0.048000
2015-04-16,0.070000
1992-10-08,0.072000
1996-04-11,0.072000
2011-02-15,0.070000
2024-02-16,0.029000
1989-11-09,0.072000
1992-06-09,0.072000
2017-07-13,0.060000
2023-06-16,0.025000
2026-07-22,0.061000
2017-10-13,0.053000
2022-11-18,0.028000
2003-09-11,0.068000
2006-12-14,0.048000
2007-05-15,0.048000
2015-08-13,0.070000
2018-12-14,0.079000
2024-09-19,0.061000
1995-12-11,0.072000
1998-02-11,0.075000
2000-12-13,0.060000
2012-11-15,0.070000
2014-03-18,0.070000
2025-11-20,0.061000
1998-09-11,0.075000
2002-01-15,0.060000
2005-05-12,0.068000
2013-11-14,0.070000
2020-12-16,0.074000
2022-09-16,0.032000
1990-08-09,0.072000
1995-11-09,0.072000
2000-02-11,0.069000
2004-05-13,0.068000
2010-06-15,0.070000
2016-09-15,0.070000
1991-11-08,0.072000
2003-07-15,0.065000
2009-06-11,0.065000
2014-07-17,0.070000
2019-08-16,0.043000
2019-06-14,0.043000
2022-03-18,0.038000
1991-01-09,0.072000
1993-06-09,0.072000
2011-08-16,0.070000
1994-03-09,0.072000
1997-03-12,0.075000
2008-03-13,0.048000
2026-04-22,0.061000
2012-10-16,0.070000
2016-02-17,0.070000
2001-07-12,0.060000
2016-03-17,0.070000
2016-04-14,0.070000
1990-06-11,0.072000
2012-12-27,0.010000
2014-06-18,0.070000
2025-10-20,0.061000
2008-02-14,0.048000
2014-11-18,0.070000
2015-11-18,0.070000
2007-11-14,0.048000
2011-12-14,0.080000
1993-08-09,0.072000
1999-06-11,0.068000
2005-06-15,0.068000
1997-05-13,0.075000
2000-09-13,0.060000
2003-12-12,0.068000
2021-07-16,0.042000
2024-07-18,0.061000
2025-12-19,0.061000
1990-04-06,0.072000
2001-06-13,0.060000
2001-08-13,0.060000
2013-02-14,0.070000
2014-12-16,0.085000
1990-10-09,0.072000
1991-03-11,0.072000
1991-09-09,0.072000
1995-01-09,0.072000
2006-09-19,0.045000
2007-01-16,0.048000
2025-02-20,0.061000
1990-05-09,0.072000
1996-07-11,0.072000
1999-09-13,0.069000
2003-08-13,0.065000
2003-04-15,0.065000
2019-01-17,0.048000
1998-04-13,0.075000
1999-02-10,0.068000
2012-06-14,0.070000
1992-08-10,0.072000
1998-03-11,0.075000
2003-11-13,0.068000
2004-09-15,0.068000
2006-01-17,0.068000
2012-01-18,0.070000
2008-07-15,0.048000
2025-08-19,0.061000
1989-09-11,0.072000
1993-02-05,0.072000
2005-09-15,0.068000
2013-10-16,0.070000
2014-05-15,0.070000
2024-04-18,0.061000
1994-11-08,0.072000
2000-04-13,0.069000
2008-04-15,0.048000
2009-11-12,0.070000
2021-04-15,0.042000
2002-04-11,0.060000
2020-03-18,0.040000
2007-09-13,0.048000
2010-10-14,0.070000
2018-09-14,0.048000
2022-06-17,0.035000
1994-01-10,0.072000
1994-04-11,0.072000
1993-04-08,0.072000
1998-06-11,0.075000
2022-01-14,0.040000
1990-03-09,0.072000
1994-08-09,0.072000
2003-01-15,0.065000
2022-05-13,0.035000
2022-08-17,0.035000
1996-08-13,0.072000
1997-06-11,0.075000
2000-10-12,0.060000
2012-07-18,0.070000
2023-05-12,0.027000
2015-12-17,0.070000
2018-04-13,0.053000