f/overrides/event-backup/ggm-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

98 lines
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Date,Dividends,ctime
2015-12-11,0.181,2021-08-28 07:48:52
2019-05-14,0.181,2021-08-28 07:48:52
2018-11-14,0.181,2021-08-28 07:48:52
2016-06-13,0.181,2021-08-28 07:48:52
2017-10-12,0.181,2021-08-28 07:48:52
2020-09-14,0.181,2021-08-28 07:48:52
2016-03-11,0.181,2021-08-28 07:48:52
2014-11-12,0.181,2021-08-28 07:48:52
2015-05-13,0.181,2021-08-28 07:48:52
2019-08-14,0.181,2021-08-28 07:48:52
2019-02-14,0.181,2021-08-28 07:48:52
2013-10-10,0.161,2021-08-28 07:48:52
2016-09-13,0.181,2021-08-28 07:48:52
2014-02-12,0.161,2021-08-28 07:48:52
2015-08-12,0.181,2021-08-28 07:48:52
2018-04-12,0.181,2021-08-28 07:48:52
2018-10-12,0.181,2021-08-28 07:48:52
2019-12-12,0.181,2021-08-28 07:48:52
2017-01-11,0.181,2021-08-28 07:48:52
2017-03-13,0.181,2021-08-28 07:48:52
2014-04-11,0.161,2021-08-28 07:48:52
2018-07-12,0.181,2021-08-28 07:48:52
2021-06-14,0.181,2021-08-28 07:48:52
2015-06-11,0.181,2021-08-28 07:48:52
2018-05-14,0.181,2021-08-28 07:48:52
2019-09-12,0.181,2021-08-28 07:48:52
2021-03-12,0.181,2021-08-28 07:48:52
2019-11-14,0.181,2021-08-28 07:48:52
2016-10-12,0.181,2021-08-28 07:48:52
2015-11-10,0.181,2021-08-28 07:48:52
2014-05-13,0.171,2021-08-28 07:48:52
2015-09-11,0.181,2021-08-28 07:48:52
2018-08-14,0.181,2021-08-28 07:48:52
2020-02-13,0.181,2021-08-28 07:48:52
2021-04-14,0.181,2021-08-28 07:48:52
2020-03-12,0.181,2021-08-28 07:48:52
2014-08-13,0.181,2021-08-28 07:48:52
2015-02-11,0.181,2021-08-28 07:48:52
2017-04-11,0.181,2021-08-28 07:48:52
2021-07-14,0.181,2021-08-28 07:48:52
2016-12-13,0.181,2021-08-28 07:48:52
2014-01-13,0.161,2021-08-28 07:48:52
2020-06-12,0.181,2021-08-28 07:48:52
2017-07-12,0.181,2021-08-28 07:48:52
2018-01-11,0.181,2021-08-28 07:48:52
2020-12-14,0.181,2021-08-28 07:48:52
2013-12-11,0.161,2021-08-28 07:48:52
2014-06-11,0.171,2021-08-28 07:48:52
2018-09-13,0.181,2021-08-28 07:48:52
2015-10-13,0.181,2021-08-28 07:48:52
2020-11-12,0.181,2021-08-28 07:48:52
2021-05-13,0.181,2021-08-28 07:48:52
2014-09-11,0.181,2021-08-28 07:48:52
2017-02-13,0.181,2021-08-28 07:48:52
2016-11-10,0.181,2021-08-28 07:48:52
2017-05-11,0.181,2021-08-28 07:48:52
2020-04-14,0.181,2021-08-28 07:48:52
2021-02-11,0.181,2021-08-28 07:48:52
2021-08-12,0.181,2021-08-28 07:48:52
2019-03-14,0.181,2021-08-28 07:48:52
2016-02-10,0.181,2021-08-28 07:48:52
2019-01-14,0.181,2021-08-28 07:48:52
2017-08-11,0.181,2021-08-28 07:48:52
2020-07-14,0.181,2021-08-28 07:48:52
2016-04-13,0.181,2021-08-28 07:48:52
2015-03-11,0.181,2021-08-28 07:48:52
2017-12-14,0.181,2021-08-28 07:48:52
2019-06-13,0.181,2021-08-28 07:48:52
2015-01-13,0.181,2021-08-28 07:48:52
2016-07-13,0.181,2021-08-28 07:48:52
2020-10-14,0.181,2021-08-28 07:48:52
2014-12-11,0.181,2021-08-28 07:48:52
2017-09-14,0.181,2021-08-28 07:48:52
2017-11-14,0.181,2021-08-28 07:48:52
2020-05-14,0.181,2021-08-28 07:48:52
2014-07-11,0.171,2021-08-28 07:48:52
2017-06-13,0.181,2021-08-28 07:48:52
2013-09-11,0.161,2021-08-28 07:48:52
2019-04-12,0.181,2021-08-28 07:48:52
2021-01-14,0.181,2021-08-28 07:48:52
2013-11-13,0.161,2021-08-28 07:48:52
2016-05-11,0.181,2021-08-28 07:48:52
2018-02-14,0.181,2021-08-28 07:48:52
2020-08-13,0.181,2021-08-28 07:48:52
2014-10-10,0.181,2021-08-28 07:48:52
2019-07-12,0.181,2021-08-28 07:48:52
2018-03-14,0.181,2021-08-28 07:48:52
2015-04-13,0.181,2021-08-28 07:48:52
2016-08-11,0.181,2021-08-28 07:48:52
2020-01-14,0.181,2021-08-28 07:48:52
2014-03-12,0.161,2021-08-28 07:48:52
2019-10-11,0.181,2021-08-28 07:48:52
2018-06-14,0.181,2021-08-28 07:48:52
2018-12-13,0.181,2021-08-28 07:48:52
2015-07-13,0.181,2021-08-28 07:48:52
2016-01-13,0.181,2021-08-28 07:48:52