f/overrides/event-backup/mfgkx-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

3.3 KiB

1DateDividends
22016-08-310.024000
32023-04-280.024000
42014-01-310.024000
52020-09-300.017000
62022-07-290.014000
72024-10-310.031000
82015-05-290.020000
92015-08-310.021000
102016-06-300.023000
112023-01-310.020000
122013-02-280.023000
132013-08-300.020000
142020-08-310.018000
152025-07-310.029000
162019-07-310.020000
172024-12-310.027000
182025-11-280.027000
192017-08-310.022000
202020-07-310.019000
212023-05-310.024000
222025-09-300.030000
232013-10-310.022000
242013-12-310.024000
252024-09-300.030000
262025-04-300.027000
272013-07-310.020000
282014-09-300.020000
292018-09-280.021000
302019-10-310.020000
312021-10-290.010000
322021-01-290.014000
332021-08-310.011000
342013-01-310.023000
352017-05-310.023000
362017-10-310.022000
372018-03-290.021000
382020-01-310.021000
392025-05-300.027000
402013-09-300.020000
412014-11-280.020000
422015-10-300.020000
432017-01-310.023000
442019-05-310.020000
452017-12-290.022000
462018-04-300.022000
472018-11-300.020000
482019-06-280.020000
492025-10-310.027000
502025-12-310.027000
512015-09-300.021000
522016-11-300.023000
532018-06-290.022000
542022-10-310.018000
552024-05-310.029000
562022-11-300.018000
572024-02-290.028000
582014-03-310.022000
592016-02-290.020000
602018-12-310.020000
612025-03-310.027000
622018-10-310.020000
632023-09-290.025000
642013-05-310.052000
652016-03-310.020000
662016-10-310.023000
672017-04-280.023000
682018-02-280.021000
692024-08-300.030000
702026-05-290.028000
712012-08-310.026000
722016-09-300.024000
732018-05-310.022000
742021-03-310.013000
752024-03-280.029000
762013-06-280.020000
772025-02-280.027000
782015-07-310.021000
792015-12-310.020000
802019-09-300.020000
812022-02-280.010000
822024-07-310.031000
832014-12-310.020000
842021-06-300.012000
852022-09-300.017000
862024-01-310.028000
872026-04-300.028000
882023-10-310.027000
892014-07-310.020000
902014-10-310.020000
912017-11-300.022000
922019-01-310.020000
932022-03-310.010000
942022-08-310.016000
952023-06-300.025000
962023-11-300.027000
972014-04-300.022000
982015-02-270.019000
992015-03-310.018000
1002017-09-290.022000
1012021-02-260.013000
1022021-04-300.013000
1032021-05-280.012000
1042021-07-300.012000
1052021-12-310.010000
1062023-02-280.021000
1072022-04-290.011000
1082023-03-310.021000
1092024-11-290.028000
1102014-02-280.023000
1112014-05-300.021000
1122019-11-290.020000
1132020-05-290.021000
1142022-01-310.009000
1152025-06-300.027000
1162020-11-300.016000
1172025-01-310.027000
1182026-01-300.027000
1192013-04-300.021000
1202016-04-290.021000
1212020-02-280.021000
1222020-03-310.021000
1232020-06-300.020000
1242018-01-310.022000
1252019-02-280.020000
1262019-04-300.020000
1272012-10-310.025000
1282022-12-300.020000
1292026-02-270.027000
1302026-06-300.028000
1312020-04-300.021000
1322021-09-300.010000
1332012-11-300.024000
1342013-03-280.022000
1352013-11-290.023000
1362017-02-280.024000
1372019-03-290.020000
1382014-06-300.020000
1392016-05-310.022000
1402017-06-300.023000
1412021-11-300.010000
1422024-06-280.029000
1432024-04-300.029000
1442025-08-290.029000
1452012-09-280.026000
1462015-06-300.020000
1472016-07-290.023000
1482018-07-310.022000
1492023-08-310.026000
1502015-04-300.018000
1512017-03-310.024000
1522020-10-300.016000
1532023-07-310.026000
1542023-12-290.027000
1552016-01-290.020000
1562017-07-310.022000
1572018-08-310.022000
1582019-12-310.020000
1592020-12-310.015000
1602019-08-300.020000
1612022-05-310.012000
1622022-06-300.013000
1632012-12-310.023000
1642014-08-290.020000
1652015-01-300.020000
1662015-11-300.020000
1672016-12-300.023000
1682026-03-310.027000
1692026-07-310.028000