f/overrides/event-backup/mkcpx-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

335 B

1DateDividends
22020-07-160.147000
32024-12-201.222000
42026-07-222.236000
52018-12-201.432000
62020-12-220.988000
72022-07-140.861000
82023-07-200.542000
92025-07-171.201000
102019-07-180.207000
112024-07-180.780000
122025-12-161.230000
132018-07-190.235000
142019-12-201.099000
152021-07-150.088000
162021-12-213.275000
172023-12-190.224000