f/overrides/event-backup/fidpx-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

2.7 KiB

1DateDividends
22022-08-300.007000
32016-07-280.044000
42017-12-260.047000
52018-07-300.029000
62019-07-300.041000
72023-12-270.032000
82016-10-280.014000
92017-10-300.020000
102018-03-280.052000
112018-05-300.037000
122020-12-280.027000
132022-02-250.002000
142016-04-280.054000
152017-06-290.037000
162025-04-290.055000
172018-06-280.038000
182024-03-270.038000
192024-08-290.025000
202025-08-280.028000
212025-11-260.015000
222026-03-230.046000
232015-07-300.064000
242017-04-270.077000
252024-11-270.013000
262016-01-280.026000
272020-04-290.035000
282019-04-290.052000
292022-01-280.023000
302023-02-270.010000
312023-09-280.016000
322025-02-270.012000
332017-11-290.013000
342018-08-300.009000
352020-09-290.043000
362023-01-300.021000
372023-05-300.126000
382024-02-280.001000
392018-02-270.022000
402020-06-290.026000
412019-05-300.086000
422020-07-300.041000
432022-04-280.068000
442022-12-280.021000
452026-07-220.046000
462016-12-270.035000
472018-11-290.009000
482021-04-290.041000
492022-07-280.027000
502015-09-010.040000
512017-08-300.017000
522022-06-290.023000
532024-01-300.024000
542025-12-150.028000
552015-06-290.017000
562017-07-280.043000
572023-07-280.026000
582024-12-270.049000
592022-09-290.017000
602023-08-300.017000
612026-04-220.126000
622026-06-220.024000
632015-09-290.013000
642019-03-280.043000
652021-05-270.094000
662022-03-300.061000
672015-02-260.024000
682019-01-300.039000
692019-09-270.023000
702019-11-270.013000
712020-05-280.075000
722021-12-280.025000
732025-01-300.036000
742026-01-220.028000
752018-10-300.015000
762019-02-270.013000
772019-12-260.022000
782021-01-280.023000
792021-06-290.046000
802025-03-280.066000
812015-11-270.032000
822017-05-300.048000
832021-07-290.052000
842016-02-260.016000
852016-03-300.035000
862024-05-300.131000
872018-01-300.026000
882021-10-280.028000
892021-11-290.009000
902022-10-280.017000
912025-10-300.037000
922026-05-220.101000
932015-03-300.052000
942015-04-290.017000
952020-02-270.015000
962021-08-300.010000
972024-07-300.037000
982024-09-270.020000
992025-07-300.041000
1002025-09-290.007000
1012016-11-290.020000
1022017-02-270.005000
1032016-09-290.032000
1042018-09-270.038000
1052018-04-270.079000
1062020-10-290.012000
1072021-09-290.043000
1082021-02-250.008000
1092022-05-270.087000
1102024-04-290.076000
1112016-05-270.030000
1122018-12-260.037000
1132021-03-300.036000
1142024-06-270.032000
1152015-05-280.039000
1162020-01-300.025000
1172019-06-270.029000
1182020-11-270.013000
1192023-10-300.023000
1202026-02-230.023000
1212016-06-290.024000
1222016-08-300.041000
1232022-11-290.019000
1242025-06-270.032000
1252019-10-300.011000
1262020-03-300.026000
1272019-08-290.006000
1282023-03-300.038000
1292023-04-270.068000
1302017-01-300.018000
1312017-09-280.033000
1322023-06-290.024000
1332023-11-290.016000
1342025-12-290.034000
1352015-12-280.026000
1362020-08-280.014000
1372025-05-290.101000
1382017-03-300.043000
1392024-10-300.046000