f/overrides/event-backup/gldi-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

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Date,Dividends
2026-04-22,3.683000
2013-07-18,3.440000
2014-04-17,3.520000
2017-02-17,1.460000
2018-01-19,0.320000
2021-12-21,2.080000
2024-02-20,0.864000
2025-05-21,3.857000
2017-07-18,1.040000
2022-07-19,1.460000
2023-01-19,1.744000
2023-10-19,0.402000
2025-08-20,1.344000
2019-02-19,0.600000
2013-03-18,1.440000
2013-11-18,2.540000
2016-06-20,2.360000
2017-01-18,1.460000
2018-04-19,1.080000
2020-02-20,1.140000
2025-02-21,1.924000
2025-12-22,3.241000
2013-09-18,4.180000
2013-12-18,2.340000
2015-08-18,0.940000
2020-04-21,1.740000
2020-11-19,3.000000
2022-03-21,1.640000
2024-09-20,2.205000
2015-10-19,1.200000
2019-05-21,0.580000
2021-07-20,0.720000
2021-11-19,0.940000
2022-12-20,3.943000
2026-06-22,5.559000
2023-11-20,1.515000
2015-05-18,0.660000
2018-12-19,0.600000
2023-02-21,1.745000
2024-11-20,1.397000
2016-01-15,1.540000
2016-09-19,1.400000
2020-02-13,0.480000
2020-08-19,2.160000
2022-04-19,3.200000
2025-01-22,1.626000
2023-09-19,0.309000
2016-02-18,3.340000
2016-04-18,2.480000
2016-12-19,1.080000
2017-04-19,0.560000
2018-05-21,1.280000
2019-07-19,0.840000
2023-04-19,1.601000
2025-09-22,1.749000
2026-03-20,2.770000
2017-11-20,1.000000
2018-09-19,0.760000
2021-01-19,1.420000
2021-09-21,1.960000
2023-05-19,1.988000
2023-08-21,1.133000
2013-05-20,1.140000
2015-04-20,1.280000
2016-08-18,3.460000
2019-06-19,0.700000
2025-03-20,0.885000
2016-03-18,4.560000
2020-01-21,0.840000
2021-05-19,1.580000
2024-06-21,1.177000
2026-02-20,4.312000
2014-10-20,0.960000
2017-05-18,2.440000
2018-08-21,0.360000
2019-10-21,1.220000
2019-11-19,1.700000
2022-05-19,2.180000
2024-07-22,1.442000
2014-03-18,4.020000
2015-09-18,2.040000
2014-08-18,1.540000
2014-09-18,2.780000
2015-11-18,2.500000
2019-04-17,0.640000
2026-08-20,1.850000
2013-02-15,2.300000
2013-04-18,2.640000
2018-10-19,0.540000
2022-10-19,1.267000
2017-10-19,1.800000
2019-12-19,0.460000
2020-06-19,3.380000
2016-05-18,3.780000
2019-09-19,3.680000
2025-04-22,2.869000
2022-01-20,1.180000
2023-03-21,0.891000
2014-02-19,2.180000
2018-07-19,0.720000
2023-07-19,1.022000
2015-12-18,1.160000
2018-03-20,0.620000
2018-06-19,0.620000
2024-01-19,1.022000
2024-05-21,1.848000
2021-08-19,1.540000
2014-06-18,0.980000
2014-07-18,1.440000
2015-06-18,1.760000
2015-07-20,1.520000
2018-11-19,1.620000
2020-05-19,4.680000
2021-04-20,2.780000
2023-06-20,1.590000
2025-06-20,2.888000
2026-01-21,3.467000
2016-10-18,2.140000
2017-08-18,0.880000
2019-01-18,0.460000
2022-09-20,1.100000
2024-12-20,0.680000
2025-10-22,1.710000
2017-03-20,1.040000
2017-06-19,0.460000
2019-03-19,0.460000
2020-07-21,3.160000
2020-09-21,1.580000
2021-06-21,1.180000
2024-03-19,0.603000
2014-05-19,1.880000
2015-03-18,1.600000
2016-07-18,3.520000
2024-04-19,1.627000
2025-11-20,3.090000
2025-07-22,2.879000
2014-01-17,2.720000
2016-11-17,1.200000
2019-08-20,1.780000
2021-02-19,1.840000
2022-02-18,1.200000
2022-08-19,0.680000
2022-11-18,1.265000
2020-10-20,2.560000
2013-06-18,2.680000
2013-08-19,6.960000
2013-10-18,1.660000
2014-12-18,4.640000
2015-01-16,2.880000
2017-12-19,0.520000
2018-02-20,0.580000
2024-10-22,2.308000
2026-05-20,4.427000
2017-09-19,1.380000
2020-12-21,2.020000
2021-03-19,1.580000
2024-08-21,2.051000
2026-07-22,1.588000
2020-03-19,0.940000
2021-10-19,0.400000
2022-06-21,1.060000
2023-12-19,0.578000