f/overrides/event-backup/dmtfx-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

343 lines
6.7 KiB
Plaintext

Date,Dividends
2013-04-30,0.037000
2014-01-31,0.038000
2016-11-22,0.155000
2023-05-31,0.034000
2010-12-31,0.046000
2002-09-20,0.044000
2007-09-21,0.039000
2008-03-20,0.036000
2010-10-29,0.045000
2002-07-22,0.045000
2012-11-21,0.080000
2014-09-30,0.035000
2004-09-22,0.041000
2001-02-22,0.049000
2003-03-24,0.042000
2007-02-22,0.041000
2008-10-22,0.039000
2014-10-22,0.035000
2018-11-21,0.038000
2023-08-31,0.035000
1997-07-31,0.052000
2025-10-31,0.038000
2008-09-22,0.040000
2013-07-31,0.039000
2014-04-30,0.037000
2015-06-22,0.037000
2015-09-22,0.038000
2020-12-31,0.032000
2026-04-30,0.033000
2007-08-22,0.039000
2001-11-23,0.048000
2002-02-22,0.049000
2009-01-22,0.040000
2009-06-22,0.041000
2009-11-20,0.044000
2015-08-21,0.037000
2016-05-20,0.034000
1997-11-21,0.226000
2019-06-21,0.037000
2010-01-29,0.045000
2011-03-31,0.041000
2017-06-30,0.037000
2018-04-20,0.035000
2021-10-29,0.025000
2025-01-31,0.036000
2026-03-31,0.034000
2001-05-22,0.046000
2002-10-22,0.032000
2014-11-21,0.037000
2025-08-29,0.039000
2026-06-30,0.033000
2000-09-22,0.050000
1997-06-30,0.050000
2020-01-22,0.032000
1996-07-31,0.059000
2024-03-28,0.036000
2006-11-22,0.040000
2021-11-30,0.024000
2026-05-29,0.034000
2019-08-22,0.031000
2011-02-28,0.036000
2015-02-20,0.037000
2015-07-22,0.036000
2016-08-22,0.035000
2016-12-22,0.034000
2020-06-22,0.030000
2026-02-27,0.032000
2008-12-22,0.039000
2000-04-20,0.050000
2001-12-21,0.047000
2010-06-30,0.044000
2010-08-31,0.045000
2012-09-28,0.041000
2013-02-28,0.033000
1999-08-20,0.049000
2000-08-22,0.049000
2016-03-22,0.033000
2016-06-22,0.036000
1996-11-29,0.107000
2000-03-22,0.047000
2001-03-22,0.044000
2012-07-31,0.042000
2013-09-30,0.037000
2022-05-31,0.032000
1997-08-29,0.061000
2013-05-31,0.038000
2015-12-22,0.035000
1999-10-22,0.048000
2006-09-20,0.078000
2009-08-21,0.043000
2013-06-28,0.038000
2014-08-29,0.036000
2015-01-22,0.038000
2022-06-30,0.035000
2002-05-22,0.047000
2008-04-22,0.039000
2016-07-22,0.034000
2020-05-22,0.035000
2022-08-31,0.035000
1996-08-30,0.058000
2018-08-22,0.035000
2020-03-20,0.029000
2024-02-29,0.034000
2017-11-30,0.037000
2010-07-30,0.045000
2023-06-30,0.033000
2023-12-29,0.037000
2007-10-22,0.038000
2008-08-22,0.040000
2014-12-22,0.036000
2016-02-23,0.036000
2017-09-22,0.039000
2001-06-22,0.049000
2020-08-21,0.032000
2023-02-28,0.031000
2006-06-23,0.054000
1998-01-22,0.051000
1998-02-20,0.051000
2000-11-22,0.049000
2016-10-21,0.034000
2017-07-21,0.037000
2019-05-22,0.034000
2025-06-30,0.036000
1996-06-28,0.056000
2014-06-30,0.037000
2020-12-01,0.084000
2021-03-31,0.030000
2021-05-28,0.029000
2002-04-22,0.050000
2008-05-22,0.038000
2007-11-21,0.039000
2004-06-22,0.039000
2011-04-29,0.040000
2012-08-31,0.041000
2015-03-20,0.033000
2024-07-31,0.037000
1998-03-20,0.047000
2018-09-21,0.036000
2011-10-31,0.041000
2000-12-22,0.049000
2001-01-22,0.051000
2003-09-22,0.039000
2007-03-22,0.036000
2008-01-22,0.039000
2011-11-30,0.039000
2021-06-30,0.027000
1997-12-22,0.049000
2002-01-22,0.048000
2009-02-20,0.040000
2010-11-30,0.044000
2012-01-31,0.040000
2014-05-30,0.038000
1999-05-21,0.050000
2012-05-31,0.042000
2017-10-20,0.034000
2022-11-30,0.033000
2009-04-22,0.040000
2008-11-21,0.040000
2012-02-29,0.038000
2017-01-20,0.036000
2020-02-21,0.033000
2025-05-30,0.037000
2003-02-21,0.047000
1997-04-30,0.054000
2012-03-30,0.041000
2017-12-29,0.038000
2019-03-22,0.031000
2019-09-20,0.032000
1996-09-30,0.057000
1998-10-22,0.048000
1999-01-22,0.052000
2001-08-22,0.049000
2002-12-20,0.044000
2005-12-12,0.106000
2007-04-20,0.040000
2017-05-22,0.036000
1997-10-31,0.051000
2025-04-30,0.035000
2021-01-29,0.031000
2011-01-31,0.044000
2011-12-30,0.038000
2015-04-22,0.036000
2022-03-31,0.026000
2024-05-31,0.037000
2001-04-20,0.049000
2009-12-22,0.042000
2018-02-22,0.034000
2019-12-19,0.026000
2021-07-30,0.027000
1997-03-31,0.057000
2012-10-31,0.041000
2012-12-31,0.039000
2016-09-22,0.034000
2019-04-22,0.032000
2024-06-28,0.036000
2026-07-31,0.036000
1998-04-22,0.052000
2008-02-22,0.039000
2015-10-22,0.036000
2020-10-22,0.031000
2002-08-22,0.045000
2020-11-30,0.041000
2023-03-31,0.034000
2024-11-29,0.035000
2024-12-31,0.036000
2017-08-22,0.038000
2006-03-24,0.063000
2014-03-31,0.038000
2018-02-28,0.031000
1999-07-22,0.047000
2001-10-22,0.047000
2015-11-20,0.037000
2020-04-22,0.032000
2021-02-26,0.028000
2023-07-31,0.034000
2000-10-20,0.049000
2022-12-30,0.035000
2024-09-30,0.035000
1998-12-22,0.049000
2001-09-21,0.049000
2018-01-22,0.033000
2019-02-22,0.037000
2019-07-22,0.030000
2020-09-22,0.031000
2023-09-29,0.035000
2024-10-31,0.036000
1997-01-31,0.057000
2025-02-28,0.032000
1998-11-20,0.074000
2012-04-30,0.040000
2013-10-31,0.038000
2013-11-29,0.036000
2014-07-31,0.038000
2017-06-22,0.038000
2023-01-31,0.035000
1997-02-28,0.051000
2005-09-26,0.052000
2013-03-28,0.038000
2013-08-30,0.039000
2019-10-22,0.031000
2025-07-31,0.038000
2000-02-22,0.053000
2000-05-22,0.048000
2009-03-20,0.036000
2011-07-29,0.042000
2017-03-22,0.034000
2017-04-21,0.039000
2018-07-20,0.032000
2018-12-21,0.035000
2000-01-21,0.049000
2026-01-30,0.038000
2024-01-31,0.037000
2018-10-22,0.033000
2021-11-22,0.171000
1998-06-22,0.050000
2010-03-31,0.044000
2021-08-31,0.026000
2022-02-28,0.022000
2022-04-29,0.027000
1999-03-22,0.047000
2002-06-21,0.034000
2005-03-24,0.035000
2006-12-22,0.039000
2010-02-26,0.040000
2010-09-30,0.044000
2018-03-22,0.031000
2021-12-31,0.024000
1996-10-31,0.059000
2022-01-31,0.024000
2006-10-20,0.039000
1998-05-22,0.050000
2002-03-22,0.045000
2000-06-22,0.049000
1999-02-22,0.053000
2008-07-22,0.039000
2011-08-31,0.042000
2013-01-31,0.037000
2023-04-28,0.033000
2024-04-30,0.035000
1996-12-31,0.058000
2007-01-22,0.041000
2023-11-30,0.036000
2025-11-28,0.037000
2025-12-31,0.038000
1999-04-22,0.051000
2003-06-23,0.032000
2009-10-22,0.042000
2011-09-30,0.040000
2015-05-22,0.035000
2024-08-30,0.037000
2000-07-21,0.048000
1998-07-22,0.049000
2004-12-13,0.056000
2007-06-22,0.040000
2013-12-31,0.038000
2014-10-31,0.037000
1997-05-30,0.054000
2003-01-22,0.046000
2007-05-22,0.039000
2011-05-31,0.041000
2016-01-22,0.036000
2021-09-30,0.024000
1999-06-22,0.050000
2001-07-20,0.047000
2002-11-22,0.046000
1999-09-22,0.050000
2019-11-22,0.068000
2023-10-31,0.038000
2005-06-24,0.047000
2007-07-20,0.038000
2008-06-20,0.040000
2017-12-22,0.040000
2018-05-22,0.035000
2018-06-22,0.038000
2019-01-22,0.034000
1999-12-22,0.049000
2009-09-22,0.044000
2003-12-16,0.038000
1999-11-22,0.049000
2009-05-22,0.039000
2009-07-22,0.041000
2012-11-30,0.038000
2017-02-22,0.037000
2017-11-22,0.040000
2025-03-31,0.036000
1998-09-22,0.049000
2025-09-30,0.037000
2014-02-28,0.034000
2016-04-22,0.035000
2020-07-22,0.031000
2022-07-29,0.035000
2022-09-30,0.031000
2022-10-31,0.034000
2004-03-22,0.051000
2007-12-21,0.038000
1997-09-30,0.049000
2010-05-28,0.045000
2011-06-30,0.040000
2012-06-29,0.041000
2021-04-30,0.029000
1998-08-21,0.050000