f/overrides/event-backup/fmtlx-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

379 B

1DateCapital Gains
22018-06-270.158000
32023-06-150.037000
42025-06-160.525000
52015-06-260.227000
62018-12-280.290000
72019-06-260.146000
82024-06-170.007000
92021-06-280.262000
102021-12-301.967000
112024-12-300.061000
122014-06-260.223000
132014-12-300.358000
142015-12-300.246000
152016-06-280.179000
162020-06-260.291000
172019-12-300.134000
182020-12-300.065000
192022-06-150.349000