f/overrides/event-backup/fnmix-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

438 lines
8.5 KiB
Plaintext

Date,Dividends
1994-12-30,0.043000
1995-03-31,0.078000
2004-12-31,0.127000
2017-10-31,0.069000
2018-03-29,0.039000
2012-12-21,0.301000
2014-09-30,0.063000
1995-01-31,0.050000
2012-09-28,0.062000
2011-05-31,0.075000
2001-06-29,0.092000
2016-01-29,0.071000
2020-08-31,0.047000
1997-05-30,0.079000
2010-12-17,0.130000
2013-04-30,0.065000
1996-11-29,0.067000
2025-04-30,0.054000
2004-09-30,0.068000
2001-09-28,0.086000
2008-06-30,0.066000
2013-02-28,0.056000
2014-07-31,0.065000
1999-01-29,0.071000
2006-11-30,0.074000
2018-12-27,0.002000
1999-12-31,0.288000
2000-10-31,0.083000
2001-05-31,0.094000
2004-12-28,0.060000
2006-12-29,0.085000
2014-06-30,0.062000
2017-05-31,0.070000
1994-08-31,0.058000
2019-09-30,0.056000
2015-05-29,0.064000
1995-08-31,0.070000
2002-03-28,0.068000
2006-07-31,0.073000
2007-12-21,0.029000
2016-05-31,0.071000
2024-12-31,0.036000
2011-03-31,0.073000
2015-04-30,0.065000
2018-11-30,0.062000
2021-04-30,0.042000
2001-01-31,0.097000
2011-02-28,0.065000
2000-11-30,0.088000
2005-09-30,0.066000
2008-05-30,0.065000
2010-02-26,0.067000
2016-12-30,0.076000
2017-02-28,0.067000
2017-03-31,0.074000
2020-05-29,0.055000
1997-10-31,0.108000
2020-10-30,0.047000
2021-09-30,0.042000
2023-02-28,0.047000
2004-12-23,0.190000
2010-11-30,0.065000
2021-01-29,0.050000
2003-06-30,0.063000
1998-08-31,0.119000
2012-11-30,0.062000
2013-11-29,0.060000
1999-11-30,0.062000
2008-12-31,0.076000
1999-10-29,0.070000
2007-03-30,0.074000
2008-02-29,0.064000
2023-12-21,0.031000
2020-04-30,0.054000
1998-05-29,0.108000
2005-10-31,0.069000
2009-09-30,0.070000
2012-07-31,0.065000
2000-05-31,0.077000
2020-01-31,0.057000
2024-10-31,0.041000
2005-06-30,0.064000
2005-07-29,0.067000
2008-04-30,0.065000
2013-10-31,0.062000
2026-06-30,0.055000
1997-09-30,0.089000
2015-11-30,0.065000
2023-05-31,0.052000
2025-09-30,0.053000
2019-02-28,0.057000
2014-04-30,0.062000
2019-11-29,0.056000
2020-02-28,0.054000
2023-12-29,0.052000
2026-01-30,0.055000
2026-07-31,0.056000
1996-08-30,0.074000
2016-03-31,0.075000
2005-01-31,0.070000
2007-02-28,0.065000
2009-04-30,0.072000
2021-12-22,0.022000
2004-01-30,0.069000
2002-12-31,0.183000
2008-11-28,0.074000
2010-08-31,0.079000
1996-03-29,0.078000
1998-09-30,0.094000
2012-06-29,0.062000
2018-10-31,0.060000
2021-08-31,0.044000
1994-10-31,0.049000
2000-09-29,0.093000
1997-12-26,0.973000
2005-12-23,0.260000
2014-03-31,0.067000
2020-12-01,0.011000
2003-04-30,0.067000
2010-04-30,0.071000
2014-01-31,0.066000
2015-09-30,0.067000
2024-08-30,0.047000
2004-10-29,0.073000
2007-06-29,0.072000
2019-12-26,0.015000
1998-06-30,0.115000
1997-01-31,0.074000
1999-04-30,0.063000
2003-02-28,0.066000
1994-09-30,0.058000
1995-12-29,0.202000
1999-09-30,0.070000
2001-10-31,0.087000
2013-01-31,0.062000
2023-03-31,0.045000
1994-11-30,0.044000
2007-09-28,0.073000
2008-01-31,0.071000
1999-06-30,0.061000
1998-01-30,0.113000
1998-12-31,0.077000
2006-02-28,0.058000
2022-06-30,0.045000
1994-07-29,0.050000
1994-06-30,0.046000
2006-10-31,0.076000
2015-07-31,0.065000
2018-12-31,0.064000
1993-07-30,0.076000
2006-04-28,0.066000
2007-10-31,0.076000
2009-12-31,0.250000
1993-05-28,0.061000
2011-06-30,0.070000
2015-08-31,0.068000
2017-01-31,0.076000
2019-03-29,0.064000
2022-03-31,0.046000
2002-08-30,0.067000
2008-09-30,0.066000
2012-04-30,0.065000
1997-03-31,0.076000
2012-05-31,0.067000
2015-06-30,0.061000
2000-06-30,0.073000
2013-02-15,0.122000
2013-12-31,0.064000
2021-12-31,0.045000
2005-05-31,0.071000
1998-10-30,0.095000
1995-02-28,0.052000
1998-11-30,0.085000
2008-07-31,0.068000
1996-09-30,0.069000
1996-07-31,0.072000
2005-12-30,0.118000
2013-05-31,0.067000
2016-10-31,0.075000
2020-12-31,0.049000
1995-07-31,0.066000
2022-07-29,0.048000
2022-11-30,0.049000
2023-09-29,0.051000
2002-06-28,0.058000
2010-09-30,0.066000
2017-04-28,0.069000
2026-04-30,0.054000
2003-01-31,0.067000
2021-05-28,0.045000
1995-11-30,0.059000
2003-03-31,0.081000
2007-12-31,0.100000
2009-06-30,0.074000
2009-12-18,0.020000
2019-08-30,0.060000
2024-12-30,0.011000
2004-07-30,0.069000
2022-12-22,0.030000
2001-07-31,0.096000
2015-12-31,0.068000
2024-07-31,0.056000
2007-04-30,0.072000
2007-05-31,0.075000
2007-08-31,0.075000
2003-05-30,0.066000
2000-02-29,0.066000
2002-05-31,0.063000
2013-03-28,0.067000
2014-10-31,0.065000
2023-11-30,0.051000
2002-10-31,0.071000
1996-06-28,0.067000
1999-05-28,0.065000
2008-02-15,0.040000
2018-09-28,0.056000
2006-09-29,0.072000
1994-05-31,0.035000
2014-12-31,0.064000
1994-02-04,0.200000
2024-12-18,0.018000
2023-04-28,0.049000
1998-02-27,0.095000
2000-07-31,0.075000
2005-02-04,0.300000
2010-12-31,0.095000
1996-05-31,0.074000
1997-04-30,0.077000
2008-08-29,0.067000
2017-12-01,0.074000
2023-08-31,0.052000
1999-07-30,0.065000
2000-12-29,0.450000
2005-12-29,0.045000
2021-11-30,0.043000
1998-07-31,0.120000
2024-04-30,0.053000
2025-03-31,0.057000
2014-08-29,0.067000
2004-08-31,0.069000
2015-02-27,0.059000
2011-07-29,0.074000
2011-10-31,0.072000
2012-08-31,0.066000
2021-06-30,0.043000
1998-04-30,0.096000
2025-06-30,0.052000
2013-06-28,0.061000
2014-02-28,0.059000
2017-06-30,0.066000
2001-02-28,0.081000
2009-03-31,0.075000
2019-04-30,0.060000
1995-04-28,0.068000
2005-03-31,0.069000
2013-08-30,0.063000
2017-12-29,0.065000
2025-12-31,0.054000
2026-02-27,0.049000
2026-05-29,0.057000
2010-03-31,0.075000
2012-10-31,0.066000
2024-11-29,0.036000
1994-04-29,0.035000
2003-08-29,0.065000
2004-02-27,0.065000
1993-08-31,0.067000
2023-10-31,0.057000
2004-05-28,0.070000
2012-02-29,0.063000
2022-02-28,0.041000
1993-12-31,0.103000
2001-03-30,0.094000
2002-09-30,0.070000
2010-01-29,0.075000
2016-12-02,0.138000
1993-06-30,0.067000
2020-09-30,0.046000
2017-11-30,0.066000
1993-10-29,0.057000
2002-02-28,0.061000
2010-05-28,0.072000
2012-03-30,0.067000
2015-01-30,0.067000
2017-08-31,0.068000
2000-04-28,0.068000
2024-03-28,0.055000
2021-02-26,0.039000
2010-07-30,0.065000
2011-01-31,0.075000
2018-02-09,0.044000
2020-07-31,0.048000
2021-07-30,0.043000
2024-01-31,0.053000
1994-02-28,0.050000
2024-02-29,0.050000
2001-04-30,0.090000
2022-12-30,0.051000
2020-11-30,0.047000
2006-06-30,0.070000
2018-04-30,0.058000
1993-09-30,0.060000
1997-02-28,0.065000
2003-12-26,0.050000
2004-02-06,0.140000
2005-08-31,0.068000
2011-11-30,0.068000
1993-11-30,0.057000
2025-07-31,0.055000
1998-03-31,0.101000
2000-01-31,0.073000
2004-06-30,0.067000
2009-07-31,0.078000
2013-07-31,0.066000
1995-10-31,0.066000
2026-03-31,0.055000
2018-01-31,0.056000
2025-08-29,0.056000
1997-06-30,0.072000
2013-12-20,0.214000
2000-08-31,0.079000
2015-10-30,0.070000
2016-06-30,0.076000
2018-05-31,0.061000
2024-09-30,0.031000
2010-06-30,0.065000
2007-07-31,0.076000
2012-01-31,0.070000
2017-07-31,0.068000
2021-02-12,0.040000
2022-05-31,0.046000
2025-11-28,0.053000
2001-12-27,0.135000
2016-11-30,0.072000
1997-12-31,0.403000
1999-08-31,0.072000
2016-07-29,0.075000
2022-10-31,0.049000
2025-05-30,0.057000
1997-08-29,0.081000
2009-01-30,0.073000
2001-08-31,0.091000
2006-02-03,0.060000
2017-09-29,0.067000
2000-03-31,0.071000
2008-03-31,0.068000
2024-05-31,0.055000
1994-03-31,0.048000
2007-01-31,0.073000
2013-09-30,0.061000
2016-02-29,0.068000
2017-12-27,0.038000
2019-07-31,0.063000
2002-04-30,0.061000
2001-12-31,0.214000
2019-05-31,0.064000
2025-12-17,0.038000
1995-06-30,0.070000
2010-10-29,0.068000
2011-09-30,0.068000
2006-03-31,0.067000
2004-11-30,0.074000
2011-12-30,0.126000
2016-08-31,0.075000
2002-07-31,0.063000
1999-02-26,0.057000
2004-03-31,0.067000
2006-01-31,0.074000
2022-09-30,0.047000
2025-01-31,0.063000
2003-07-31,0.064000
2002-01-31,0.069000
2025-10-31,0.055000
2004-04-30,0.064000
2016-04-29,0.071000
2018-07-31,0.061000
2005-11-30,0.070000
1996-10-31,0.067000
2007-12-28,0.040000
2019-01-31,0.064000
2024-06-28,0.053000
1996-04-30,0.066000
2014-12-19,0.251000
2016-09-30,0.070000
2020-06-30,0.046000
2021-03-31,0.044000
2015-03-31,0.068000
2018-02-28,0.031000
2003-11-28,0.063000
2005-04-29,0.066000
2007-11-30,0.071000
2009-11-30,0.072000
2014-05-30,0.066000
2022-01-31,0.045000
1995-05-31,0.070000
2006-05-31,0.072000
2009-10-30,0.074000
2012-02-10,0.045000
2012-12-31,0.063000
2014-11-28,0.063000
2003-10-31,0.063000
2008-10-31,0.076000
1997-11-28,0.117000
2022-04-29,0.043000
2005-02-28,0.064000
2011-04-29,0.072000
2019-06-28,0.059000
2023-06-30,0.049000
2006-12-22,0.360000
2019-12-31,0.059000
2003-09-30,0.062000
1999-03-31,0.067000
2006-08-31,0.076000
2018-08-31,0.060000
2020-03-31,0.052000
2023-07-31,0.051000
2025-02-28,0.051000
1996-01-31,0.070000
1997-07-31,0.078000
2003-12-31,0.068000
2011-12-16,0.119000
1995-09-29,0.065000
2019-10-31,0.058000
2021-10-29,0.043000
2022-08-31,0.052000
2018-06-29,0.057000
2001-11-30,0.087000
2009-02-27,0.062000
1996-12-31,0.163000
2002-11-29,0.073000
2009-08-31,0.074000
1996-02-29,0.067000
2009-05-29,0.079000
2011-08-31,0.073000
2023-01-31,0.051000
1994-01-31,0.050000