f/overrides/event-backup/dflvx-capitalGain.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

399 B

1DateCapital Gains
21996-12-270.204000
31998-12-210.644000
42005-12-190.009000
52023-12-130.741000
61999-12-201.445000
72008-12-100.017000
82015-12-161.349000
92016-12-150.822000
102017-12-151.834000
112019-12-170.814000
121997-12-220.546000
132000-12-182.758000
142001-12-171.806000
152006-12-180.503000
162018-12-181.802000
172022-12-141.042000
182007-12-191.039000
192014-12-160.190000
202021-12-151.221000