f/overrides/event-backup/jhhbx-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

402 lines
7.8 KiB
Plaintext

Date,Dividends
2020-10-30,0.013000
2025-06-30,0.016000
1994-02-28,0.062000
2001-12-28,0.048000
2005-09-29,0.033000
2007-11-30,0.031000
2010-02-26,0.023000
2020-03-31,0.015000
2014-10-31,0.021000
2019-12-31,0.015000
1993-06-30,0.023000
1995-01-31,0.063000
1995-09-28,0.058000
2002-11-27,0.036000
2007-03-29,0.048000
2012-10-31,0.020000
2020-01-31,0.015000
2021-03-31,0.014000
2022-05-31,0.014000
2024-06-28,0.015000
1998-04-29,0.071000
2012-07-31,0.020000
2020-09-30,0.013000
2024-01-31,0.015000
2024-02-29,0.015000
1995-04-28,0.060000
1999-09-29,0.059000
2003-06-27,0.036000
2006-08-30,0.039000
2008-11-28,0.031000
2021-08-31,0.013000
2002-09-27,0.040000
2016-01-29,0.018000
2018-07-31,0.015000
2022-07-29,0.015000
2023-06-30,0.015000
2023-12-29,0.015000
1998-08-28,0.062000
2001-06-28,0.044000
2015-07-31,0.019000
2016-10-31,0.017000
2021-02-26,0.014000
2022-09-30,0.014000
2026-05-29,0.018000
1996-06-27,0.061000
1999-05-27,0.151000
2000-03-30,0.061000
2011-05-31,0.017000
2021-05-28,0.014000
2021-06-30,0.013000
2024-12-31,0.015000
1998-02-26,0.060000
2001-08-30,0.045000
2006-09-28,0.034000
2010-06-30,0.029000
2011-06-30,0.017000
2021-10-29,0.013000
1998-06-29,0.070000
2008-03-31,0.029000
2015-05-29,0.020000
2022-04-29,0.014000
1996-07-30,0.069000
2006-06-29,0.036000
2009-05-29,0.031000
2009-12-31,0.029000
2014-03-31,0.022000
2000-01-31,0.006000
2004-10-28,0.032000
2014-06-30,0.021000
2017-02-28,0.017000
2020-07-31,0.013000
2025-10-31,0.016000
1994-12-30,0.062000
1998-09-29,0.069000
1999-11-29,0.062000
2004-01-29,0.032000
2018-04-30,0.015000
2019-01-31,0.016000
1995-11-29,0.059000
1997-11-25,0.052000
2001-02-27,0.053000
2008-05-30,0.030000
2008-09-30,0.031000
2010-03-31,0.025000
2014-09-30,0.021000
2018-02-28,0.016000
1995-05-31,0.059000
2002-04-29,0.047000
2003-07-30,0.040000
2006-05-30,0.044000
2006-10-30,0.038000
2008-06-30,0.031000
2018-10-31,0.016000
2024-05-31,0.015000
2005-10-28,0.032000
2008-08-29,0.031000
2025-02-28,0.016000
2006-12-28,0.048000
2011-08-31,0.017000
2013-07-31,0.022000
2017-09-29,0.016000
2014-07-31,0.021000
2015-11-30,0.018000
1994-11-30,0.063000
2003-12-30,0.040000
2005-04-28,0.032000
2005-08-30,0.035000
2006-02-27,0.032000
2012-06-29,0.020000
2019-05-31,0.016000
2019-11-29,0.015000
2025-12-31,0.016000
2010-07-30,0.029000
2011-01-31,0.028000
1997-07-30,0.072000
1999-06-29,0.064000
2001-10-30,0.050000
2002-01-30,0.046000
2002-12-30,0.043000
2004-04-29,0.038000
2024-11-29,0.015000
2012-03-30,0.017000
2013-09-30,0.022000
2017-07-31,0.016000
2018-03-29,0.015000
2019-09-30,0.015000
2022-11-30,0.014000
2026-06-30,0.017000
1994-01-31,0.069000
1996-08-29,0.065000
1996-10-30,0.071000
2004-07-29,0.033000
2011-09-30,0.017000
2023-01-31,0.014000
1997-06-27,0.069000
2000-07-31,0.002000
2010-10-29,0.029000
2014-12-31,0.021000
2023-10-31,0.015000
1993-09-30,0.065000
1995-02-28,0.062000
2002-05-30,0.043000
2011-04-29,0.020000
2023-03-31,0.015000
2017-03-31,0.016000
2024-08-30,0.015000
1996-01-30,0.064000
2005-11-29,0.035000
2008-07-31,0.031000
2009-10-30,0.031000
2013-02-28,0.021000
2014-04-30,0.022000
2024-09-30,0.015000
1994-03-31,0.066000
1998-01-29,0.061000
2000-11-29,0.056000
2010-11-30,0.029000
2011-12-30,0.017000
2019-08-30,0.015000
2022-03-31,0.014000
1993-07-30,0.067000
1994-04-29,0.062000
2000-10-30,0.059000
2005-01-28,0.032000
2008-04-30,0.029000
2016-06-30,0.018000
1997-01-30,0.063000
1997-08-28,0.061000
2008-02-29,0.029000
2010-09-30,0.029000
1999-08-30,0.060000
2015-12-31,0.018000
2017-01-31,0.017000
2021-07-30,0.014000
2021-11-30,0.013000
2023-04-28,0.015000
2024-10-31,0.015000
2026-04-30,0.018000
1993-08-31,0.066000
2001-01-30,0.053000
2007-07-30,0.035000
2010-12-31,0.029000
2012-04-30,0.017000
2016-02-29,0.018000
2026-07-31,0.017000
1997-02-27,0.058000
1998-03-30,0.062000
1999-01-28,0.056000
2009-02-27,0.031000
2009-03-31,0.031000
1998-07-30,0.066000
2001-05-30,0.051000
2013-04-30,0.021000
2022-10-31,0.014000
2025-01-31,0.016000
2005-06-29,0.033000
2020-12-31,0.014000
2021-01-29,0.013000
2023-08-31,0.015000
2003-05-29,0.035000
2007-01-30,0.046000
2007-02-27,0.045000
2013-12-31,0.022000
2018-06-29,0.015000
2025-11-28,0.016000
1995-07-28,0.057000
2000-07-27,0.002000
2009-01-30,0.031000
2013-01-31,0.020000
2018-05-31,0.016000
2001-03-29,0.050000
2002-02-27,0.040000
2006-04-27,0.036000
2023-11-30,0.015000
1996-05-30,0.064000
2001-11-29,0.046000
2003-04-29,0.038000
2010-05-28,0.029000
2011-07-29,0.017000
2013-08-30,0.022000
1999-03-31,0.066000
2001-04-27,0.048000
2013-11-29,0.022000
2017-11-30,0.016000
2026-02-27,0.016000
2019-06-28,0.016000
2022-06-30,0.015000
1995-08-30,0.067000
2002-10-30,0.046000
2006-01-30,0.033000
2007-04-27,0.039000
2008-10-31,0.031000
2009-09-30,0.031000
1994-09-30,0.062000
1996-11-27,0.060000
2015-02-27,0.021000
2016-11-30,0.017000
2016-12-30,0.017000
2024-07-31,0.015000
1994-08-31,0.065000
2002-07-30,0.045000
2003-11-26,0.031000
2015-01-30,0.021000
2023-09-29,0.015000
1995-03-31,0.062000
1998-10-29,0.063000
1998-11-27,0.061000
2000-07-28,0.051000
2014-02-28,0.022000
2014-05-30,0.022000
2023-02-28,0.014000
1994-10-31,0.080000
2000-08-30,0.060000
2004-06-29,0.039000
2007-10-30,0.033000
2012-08-31,0.020000
2021-09-30,0.013000
1998-05-28,0.058000
2013-06-28,0.021000
2021-12-31,0.013000
2025-09-30,0.016000
1996-12-30,0.070000
2002-08-29,0.043000
2003-01-30,0.037000
2006-07-28,0.035000
2014-01-31,0.022000
2025-07-31,0.016000
1996-04-29,0.065000
2015-06-30,0.019000
2015-08-31,0.019000
2026-03-31,0.016000
2020-04-30,0.014000
2023-07-31,0.015000
2003-09-29,0.037000
2004-03-30,0.040000
2004-05-27,0.036000
2009-07-31,0.031000
2011-02-28,0.028000
2012-11-30,0.020000
2019-02-28,0.016000
2000-01-28,0.055000
2009-04-30,0.031000
2010-08-31,0.029000
2011-03-31,0.028000
2017-08-31,0.016000
2018-08-31,0.016000
2012-01-31,0.017000
2017-12-29,0.015000
2018-01-31,0.015000
2022-01-31,0.013000
2024-04-30,0.015000
2026-01-30,0.016000
2004-11-29,0.035000
2008-12-31,0.109000
2016-09-30,0.018000
2018-12-31,0.016000
2022-12-30,0.015000
2025-03-31,0.016000
1994-07-29,0.065000
1995-12-28,0.054000
2001-07-30,0.048000
2003-08-28,0.034000
2016-03-31,0.018000
1995-06-29,0.048000
1997-05-29,0.065000
2004-08-30,0.033000
2004-09-29,0.032000
2006-11-29,0.040000
2018-11-30,0.016000
2020-05-29,0.014000
2023-05-31,0.015000
2001-09-27,0.042000
2005-03-30,0.039000
2011-10-31,0.017000
2015-04-30,0.020000
2017-05-31,0.016000
2019-03-29,0.015000
2019-10-31,0.015000
2020-02-28,0.015000
2000-12-28,0.057000
2014-08-29,0.021000
2015-09-30,0.019000
2016-04-29,0.018000
2016-07-29,0.018000
2016-08-31,0.018000
1997-09-29,0.070000
1997-12-30,0.199000
1999-02-25,0.061000
2025-04-30,0.016000
2000-09-28,0.054000
2003-02-27,0.035000
2004-02-26,0.033000
2009-08-31,0.031000
2017-06-30,0.016000
2025-05-30,0.016000
1993-11-30,0.067000
2002-06-27,0.039000
2003-03-28,0.035000
2005-02-25,0.033000
2008-01-31,0.029000
2012-02-29,0.017000
2012-05-31,0.017000
2020-11-30,0.014000
1997-03-26,0.055000
2005-12-29,0.035000
2015-03-31,0.021000
2019-07-31,0.015000
2007-12-31,0.029000
2013-03-28,0.021000
1994-06-30,0.065000
1999-07-29,0.056000
1999-12-30,0.063000
2000-04-27,0.058000
2004-12-30,0.036000
2007-09-27,0.028000
2025-08-29,0.016000
2010-01-29,0.025000
2017-10-31,0.016000
1994-05-31,0.066000
1996-03-28,0.059000
1997-04-29,0.081000
2000-05-30,0.065000
2005-05-27,0.026000
2009-11-30,0.031000
2006-03-30,0.039000
2009-06-30,0.031000
2011-11-30,0.017000
2015-10-30,0.018000
2016-05-31,0.018000
2018-09-28,0.016000
2012-12-31,0.020000
2013-05-31,0.021000
1993-10-29,0.067000
1996-09-27,0.065000
1998-12-30,0.067000
2000-02-28,0.062000
2007-05-30,0.042000
2012-09-28,0.020000
2020-08-31,0.013000
2021-04-30,0.014000
2022-02-28,0.014000
2017-04-28,0.016000
2019-04-30,0.016000
1993-12-31,0.094000
1996-02-28,0.062000
1999-10-28,0.053000
2003-10-30,0.035000
2007-08-30,0.031000
2013-10-31,0.022000
2020-06-30,0.013000
2024-03-28,0.015000
1995-10-30,0.063000
1997-10-30,0.060000
2002-03-27,0.042000
2005-07-28,0.031000
2014-11-28,0.021000
1999-04-30,0.059000
2000-06-29,0.058000
2007-06-28,0.034000
2022-08-31,0.014000