f/overrides/event-backup/kntax-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

496 lines
9.7 KiB
Plaintext

Date,Dividends
2016-06-24,0.031000
1996-11-21,0.041000
1997-09-23,0.048000
2011-02-28,0.037000
2012-04-30,0.036000
2001-08-31,0.040000
2011-07-29,0.036000
1995-12-21,0.081000
2022-12-30,0.022000
2024-06-28,0.024000
2019-01-25,0.026000
2026-07-31,0.028000
1987-09-21,0.051000
1989-10-24,0.065000
2005-12-12,0.020000
2006-02-22,0.036000
1996-05-23,0.047000
2005-03-24,0.038000
1991-03-21,0.058000
1992-04-23,0.051000
2006-03-27,0.039000
2007-07-25,0.034000
1987-06-22,0.047000
2022-03-31,0.019000
2018-08-27,0.026000
2023-05-31,0.022000
2005-01-25,0.034000
2009-12-24,0.036000
1987-03-20,0.046000
2000-11-22,0.036000
2007-04-24,0.035000
2021-12-31,0.021000
2002-08-30,0.040000
2015-12-03,0.004000
2018-05-24,0.024000
2020-08-31,0.023000
1990-11-23,0.057000
2010-07-30,0.036000
2025-09-30,0.027000
1993-05-25,0.053000
1998-07-24,0.046000
2008-09-24,0.036000
2014-11-21,0.029000
2003-07-25,0.039000
2004-06-25,0.040000
2015-09-24,0.032000
2009-05-22,0.033000
2021-10-29,0.020000
2011-10-31,0.036000
1988-11-18,0.054000
1994-08-24,0.051000
2008-04-24,0.036000
2024-07-31,0.024000
2008-05-27,0.038000
2023-04-28,0.022000
1989-12-19,0.059000
1991-09-23,0.056000
1994-09-23,0.047000
2011-01-31,0.036000
2009-07-27,0.039000
2019-07-25,0.024000
1987-12-18,0.050000
1988-06-20,0.033000
1994-12-22,0.048000
1999-03-24,0.047000
2022-07-29,0.021000
1990-05-23,0.060000
1998-02-20,0.038000
1999-10-22,0.038000
2010-08-31,0.036000
2015-10-26,0.034000
2021-11-30,0.021000
1996-12-23,0.135000
1999-06-24,0.042000
2000-06-23,0.040000
2016-10-25,0.028000
2006-10-25,0.035000
1993-04-23,0.051000
1996-06-21,0.044000
2003-03-25,0.037000
2006-01-25,0.036000
2001-05-23,0.038000
1990-04-23,0.061000
1993-03-24,0.062000
1994-11-22,0.045000
2000-05-23,0.044000
2016-09-26,0.031000
2018-01-25,0.025000
1989-02-21,0.056000
2001-06-29,0.038000
2011-08-31,0.035000
2012-05-31,0.035000
2010-05-28,0.035000
2021-06-30,0.021000
1986-10-20,0.043000
1995-07-24,0.047000
2005-07-25,0.037000
2007-01-22,0.035000
2020-06-30,0.024000
1986-05-30,0.038000
1990-01-24,0.065000
1993-06-24,0.055000
2009-09-24,0.036000
2007-05-25,0.036000
2025-02-28,0.026000
1988-01-20,0.045000
1992-10-23,0.053000
1997-02-21,0.042000
1998-06-23,0.047000
2020-11-30,0.023000
1990-12-21,0.055000
1991-11-21,0.049000
2011-03-31,0.036000
2014-08-29,0.034000
1995-01-24,0.050000
2006-11-24,0.035000
2017-11-24,0.026000
2019-12-24,0.023000
1999-01-21,0.039000
2001-02-21,0.036000
2014-02-28,0.036000
2017-07-25,0.024000
1989-03-23,0.064000
2016-11-23,0.028000
2017-08-25,0.026000
2010-10-29,0.035000
2014-12-24,0.033000
2026-03-31,0.028000
1998-05-21,0.040000
1998-08-24,0.043000
1999-07-23,0.040000
2000-12-29,0.038000
1992-05-21,0.050000
2010-09-30,0.036000
2022-10-31,0.022000
1986-09-22,0.049000
1999-11-22,0.039000
2007-08-27,0.038000
2013-05-31,0.034000
1990-02-21,0.053000
1995-05-23,0.051000
2010-01-29,0.036000
2011-06-30,0.036000
2006-12-22,0.032000
2012-07-31,0.033000
1986-04-21,0.038000
1995-10-24,0.050000
2002-09-30,0.039000
2005-05-24,0.035000
1997-04-21,0.049000
2005-11-23,0.036000
2016-07-25,0.028000
2018-04-24,0.025000
1986-06-24,0.040000
2015-02-27,0.033000
2012-12-31,0.034000
2020-12-31,0.022000
2017-05-24,0.027000
1988-08-22,0.047000
1995-04-21,0.043000
2013-07-31,0.035000
2016-12-27,0.030000
1991-10-24,0.058000
1994-04-22,0.044000
2013-06-28,0.034000
2018-06-25,0.027000
1989-06-23,0.061000
2000-02-22,0.035000
1987-02-20,0.047000
2008-02-25,0.038000
2013-02-28,0.034000
2014-07-31,0.034000
2007-09-25,0.034000
2011-11-30,0.036000
2017-10-25,0.025000
2023-02-28,0.023000
1988-12-20,0.052000
1990-09-21,0.054000
1997-03-21,0.046000
2004-01-27,0.042000
2025-07-31,0.026000
2017-02-22,0.029000
2021-01-29,0.022000
2025-01-31,0.025000
1996-04-23,0.047000
2008-01-25,0.035000
2011-09-30,0.035000
2015-06-24,0.032000
2023-09-29,0.024000
1995-11-22,0.044000
1996-01-24,0.051000
1999-02-18,0.038000
2009-06-24,0.040000
1988-07-20,0.043000
1996-09-23,0.048000
2005-02-22,0.037000
2014-03-31,0.035000
1996-02-22,0.044000
1999-08-24,0.038000
2010-06-30,0.035000
2023-10-31,0.023000
2004-07-26,0.038000
2006-06-26,0.039000
2021-07-30,0.022000
2024-04-30,0.024000
2025-12-31,0.028000
1989-08-24,0.062000
2006-08-25,0.036000
2010-11-30,0.036000
2016-03-24,0.031000
2006-05-24,0.034000
2006-11-28,0.060000
2011-05-31,0.035000
2019-06-24,0.023000
2023-03-31,0.022000
2001-01-24,0.041000
2022-11-30,0.022000
2024-12-31,0.026000
1990-08-24,0.059000
2004-11-23,0.035000
2015-11-23,0.031000
2020-09-30,0.023000
2020-04-30,0.023000
2017-01-25,0.028000
2021-02-26,0.022000
2021-08-31,0.022000
2023-07-31,0.022000
1995-02-21,0.045000
2000-03-31,0.043000
2008-10-27,0.037000
2011-12-30,0.036000
2004-08-25,0.037000
2005-04-25,0.040000
2015-05-22,0.027000
2019-10-25,0.024000
2019-08-26,0.024000
2021-03-31,0.021000
2003-02-28,0.036000
2013-03-28,0.033000
2017-03-27,0.030000
2017-04-24,0.026000
2002-02-28,0.037000
2016-04-25,0.030000
1990-07-24,0.063000
1995-09-22,0.045000
1999-04-23,0.038000
2000-04-20,0.034000
1992-01-24,0.057000
1994-07-22,0.047000
2003-05-23,0.036000
2009-03-25,0.035000
1996-07-24,0.051000
2010-03-31,0.035000
2015-03-25,0.032000
1991-06-21,0.052000
1992-07-24,0.058000
1993-12-27,0.051000
1995-06-23,0.048000
1989-11-22,0.057000
2008-07-25,0.037000
2013-08-30,0.035000
2014-01-31,0.035000
2026-05-29,0.027000
1993-11-22,0.048000
1996-03-22,0.046000
2008-06-24,0.038000
2013-11-29,0.036000
2012-06-29,0.033000
2013-09-30,0.035000
2017-12-05,0.016000
2019-03-25,0.024000
2014-06-30,0.035000
2015-12-24,0.033000
1986-07-02,0.048000
1986-11-20,0.046000
1987-07-20,0.035000
2010-02-26,0.036000
2021-04-30,0.022000
2003-12-24,0.042000
2006-07-25,0.033000
2008-08-25,0.036000
2008-12-24,0.038000
2015-08-25,0.029000
2018-12-24,0.025000
2024-02-29,0.024000
2024-09-30,0.024000
2000-01-24,0.051000
2003-11-21,0.031000
2009-04-24,0.036000
2015-02-23,0.033000
1997-06-30,0.048000
1998-12-22,0.299000
2002-05-31,0.058000
2020-10-30,0.022000
2008-03-25,0.034000
2016-05-24,0.029000
2025-08-29,0.027000
1986-08-20,0.047000
1989-09-22,0.058000
2021-09-30,0.021000
2009-02-23,0.033000
1993-09-23,0.048000
2002-12-31,0.040000
2022-05-31,0.020000
2018-09-24,0.023000
1990-06-22,0.058000
1992-08-17,0.055000
2004-12-27,0.040000
2018-07-25,0.024000
1993-07-26,0.053000
2004-04-26,0.040000
2013-01-31,0.033000
2026-04-30,0.028000
1997-12-22,0.229000
1999-12-15,0.030000
1994-03-24,0.055000
2018-02-22,0.025000
2012-01-31,0.035000
2022-08-31,0.021000
1991-01-24,0.064000
1993-10-22,0.047000
2009-10-26,0.037000
2017-09-25,0.025000
2004-02-24,0.036000
2017-06-26,0.029000
2026-01-30,0.028000
2003-06-24,0.036000
2005-12-23,0.036000
1986-03-20,0.030000
1990-10-24,0.065000
1992-11-20,0.048000
1999-09-23,0.035000
1993-02-22,0.048000
2013-04-30,0.034000
1990-03-23,0.063000
2003-04-24,0.039000
2005-10-25,0.036000
2012-11-30,0.034000
2020-05-29,0.023000
1987-11-20,0.050000
1996-08-23,0.046000
1997-10-24,0.047000
2008-11-21,0.031000
1992-06-17,0.058000
2014-05-30,0.035000
1988-10-20,0.031000
2013-10-31,0.035000
2023-11-30,0.024000
2024-11-29,0.025000
1997-05-22,0.045000
2001-10-25,0.040000
2016-01-25,0.030000
2019-02-22,0.025000
1997-01-24,0.047000
1998-11-20,0.038000
2022-06-30,0.021000
2002-06-28,0.038000
2007-10-25,0.034000
2007-11-26,0.038000
2023-08-31,0.023000
2002-03-28,0.041000
2023-12-29,0.023000
2026-02-27,0.029000
2026-06-30,0.028000
2013-12-31,0.035000
2024-10-31,0.024000
1986-12-22,0.044000
1991-12-23,0.059000
2000-07-24,0.041000
2000-09-21,0.037000
2008-11-26,0.135000
2009-12-03,0.008000
2020-03-31,0.023000
1987-08-20,0.044000
1994-02-18,0.039000
2000-10-24,0.042000
2025-10-31,0.028000
2024-08-30,0.024000
1991-05-23,0.057000
2025-06-30,0.026000
1997-11-20,0.040000
2015-07-27,0.034000
2019-04-24,0.025000
2021-05-28,0.021000
2007-12-24,0.032000
2009-11-23,0.034000
2014-09-30,0.034000
2018-11-26,0.027000
1992-09-18,0.053000
1998-04-23,0.042000
2001-11-30,0.038000
2002-07-31,0.040000
2025-05-30,0.026000
2005-09-26,0.036000
2025-03-31,0.026000
2020-02-28,0.024000
1992-12-21,0.059000
1998-03-24,0.049000
2006-09-25,0.037000
2014-10-31,0.033000
1998-01-23,0.046000
2001-04-24,0.035000
2004-09-24,0.037000
2012-03-30,0.036000
1994-01-24,0.052000
2000-08-24,0.039000
2010-12-31,0.036000
2020-01-31,0.023000
1988-03-18,0.044000
1995-08-24,0.047000
2012-08-31,0.034000
2016-08-25,0.030000
2019-09-24,0.023000
2022-01-31,0.020000
2024-01-31,0.023000
1988-09-20,0.043000
1998-09-23,0.043000
2001-12-31,0.040000
2003-09-24,0.038000
2015-01-28,0.034000
2019-11-22,0.021000
1987-01-20,0.039000
1989-05-23,0.066000
2001-09-28,0.039000
2004-10-25,0.038000
1988-02-19,0.048000
1991-02-21,0.052000
2003-10-27,0.043000
2012-10-31,0.034000
1991-08-23,0.054000
2001-07-31,0.039000
2017-12-26,0.024000
1994-06-23,0.049000
2016-02-23,0.032000
2022-04-29,0.020000
1988-05-20,0.050000
1991-07-24,0.060000
2015-04-24,0.034000
2020-07-31,0.023000
2012-02-29,0.036000
2015-01-26,0.034000
1989-07-24,0.063000
1997-07-24,0.048000
2002-04-30,0.057000
2022-02-28,0.022000
2025-11-28,0.028000
2002-10-31,0.040000
2004-05-24,0.035000
2007-02-23,0.040000
2007-06-25,0.036000
1987-04-20,0.043000
1988-04-20,0.044000
1992-03-24,0.058000
1995-03-22,0.054000
2009-01-26,0.038000
2011-04-29,0.036000
2023-01-31,0.021000
1994-05-23,0.052000
1994-10-24,0.051000
1996-10-24,0.048000
2012-09-28,0.035000
2022-09-30,0.022000
2024-03-28,0.023000
1987-05-20,0.042000
1989-04-21,0.056000
2002-01-31,0.040000
2004-03-25,0.037000
1987-10-20,0.049000
2005-06-24,0.036000
2014-12-04,0.002000
2018-03-23,0.024000
2018-12-31,0.005000
1992-02-21,0.048000
1993-01-22,0.052000
1998-10-23,0.043000
2001-03-27,0.044000
2023-06-30,0.023000
2018-10-25,0.025000
2024-05-31,0.024000
1993-08-24,0.053000
1999-05-21,0.037000
2002-11-29,0.058000
2007-03-26,0.037000
2003-08-25,0.036000
2014-04-30,0.035000
1997-08-22,0.044000
2019-05-24,0.024000
1989-01-24,0.063000
2003-01-31,0.040000
2005-08-25,0.036000
2006-04-24,0.034000
2009-08-25,0.034000
1991-04-23,0.060000
2025-04-30,0.026000