f/ktrax-dividend.csv at bb8e39605ef99b652f313b9fbf152f26d568e613

gmp/f

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

3.7 KiB

Raw Blame History

1	Date	Dividends
2	2018-12-31	0.015000
3	2020-09-23	0.064000
4	1986-05-16	0.070000
5	1986-08-15	0.070000
6	1993-12-20	0.060000
7	2009-12-16	0.121000
8	2010-06-23	0.032000
9	1987-08-14	0.070000
10	1990-11-20	0.280000
11	2010-03-24	0.053000
12	2018-03-22	0.080000
13	2021-06-23	0.069000
14	2021-09-23	0.064000
15	2022-03-24	0.041000
16	2023-12-15	0.066000
17	1987-02-13	0.070000
18	1989-11-16	0.110000
19	1993-09-20	0.060000
20	2007-09-21	0.059000
21	2019-12-16	0.076000
22	2025-06-23	0.089000
23	2025-12-15	0.621000
24	1982-02-05	0.070000
25	1992-03-19	0.030000
26	2006-06-23	0.050000
27	2019-06-21	0.079000
28	2019-09-23	0.079000
29	2007-06-22	0.079000
30	2014-03-24	0.076000
31	2017-03-24	0.055000
32	1987-12-22	0.010000
33	1988-05-20	0.070000
34	1991-12-19	0.140000
35	1998-03-24	0.070000
36	2006-09-22	0.050000
37	2025-09-23	0.099000
38	1984-02-06	0.070000
39	1996-03-14	0.060000
40	2008-03-24	0.071000
41	2026-03-24	0.069000
42	2025-03-24	0.084000
43	1991-05-16	0.090000
44	1997-09-23	0.080000
45	2004-06-23	0.035000
46	2014-09-23	0.099000
47	2018-09-21	0.089000
48	2011-03-24	0.033000
49	2012-09-21	0.075000
50	2013-03-21	0.060000
51	2024-06-21	0.096000
52	1990-05-17	0.090000
53	2011-09-23	0.032000
54	1981-02-09	0.070000
55	1981-11-05	0.100000
56	1996-12-18	1.585000
57	2017-12-15	0.762000
58	1992-06-17	0.060000
59	2010-12-15	0.026000
60	2023-09-22	0.071000
61	2024-12-16	1.211000
62	2026-06-23	0.090000
63	1988-08-18	0.080000
64	2003-03-24	0.035000
65	2006-12-15	0.100000
66	2011-06-23	0.035000
67	2011-12-15	0.036000
68	2013-06-21	0.070000
69	1983-08-03	0.070000
70	1995-06-16	0.070000
71	1998-09-23	0.075000
72	2003-06-23	0.029000
73	2012-06-22	0.055000
74	1988-02-19	0.060000
75	2001-12-20	0.056000
76	1986-02-14	0.070000
77	1995-09-18	0.070000
78	2001-03-23	0.065000
79	2001-06-22	0.050000
80	2001-09-21	0.055000
81	2009-09-23	0.030000
82	2013-12-16	0.244000
83	2016-03-23	0.060000
84	1984-08-07	0.070000
85	1997-03-20	0.070000
86	1999-12-21	0.535000
87	2000-12-21	0.915000
88	2006-03-24	0.050000
89	2024-03-21	0.081000
90	1980-05-15	0.070000
91	1980-11-06	0.265000
92	1996-09-18	0.070000
93	2015-09-23	0.100000
94	2020-12-15	0.044000
95	2008-09-23	0.057000
96	2021-12-15	0.861000
97	1980-08-05	0.070000
98	1989-02-16	0.030000
99	1995-03-16	0.045000
100	1998-12-22	0.758000
101	2005-03-24	0.050000
102	2005-12-20	0.063000
103	2019-03-22	0.079000
104	1990-08-16	0.090000
105	1993-03-19	0.030000
106	2000-09-22	0.060000
107	2004-03-24	0.040000
108	2004-12-20	0.055000
109	2016-06-23	0.070000
110	2022-06-23	0.069000
111	1985-05-13	0.070000
112	1987-11-13	0.075000
113	1989-05-18	0.090000
114	2002-03-21	0.051000
115	2012-12-17	0.335000
116	1997-06-19	0.080000
117	1998-06-23	0.075000
118	2000-03-24	0.070000
119	1981-08-06	0.070000
120	1983-02-03	0.070000
121	1992-09-18	0.060000
122	1994-12-21	0.060000
123	1996-06-13	0.070000
124	2022-09-23	0.060000
125	1994-05-25	0.040000
126	1999-03-24	0.083000
127	2002-09-23	0.044000
128	2003-12-19	0.036000
129	2023-06-23	0.074000
130	2017-06-23	0.065000
131	2018-06-22	0.080000
132	2020-06-23	0.072000
133	1991-08-19	0.090000
134	1994-03-17	0.045000
135	2000-06-23	0.070000
136	2004-09-23	0.035000
137	2005-06-23	0.050000
138	2022-12-15	0.057000
139	2014-06-23	0.084000
140	1982-05-14	0.070000
141	1983-11-10	0.090000
142	1999-09-23	0.075000
143	2009-03-24	0.032000
144	2010-09-23	0.037000
145	2023-03-24	0.054000
146	1981-05-14	0.070000
147	1997-12-22	1.643000
148	2007-03-23	0.079000
149	2009-06-23	0.032000
150	2016-12-15	0.070000
151	2008-06-23	0.066000
152	2015-06-23	0.095000
153	1982-08-05	0.070000
154	1989-08-17	0.090000
155	1989-12-20	0.060000
156	1990-02-15	0.030000
157	1993-06-18	0.040000
158	1994-09-19	0.080000
159	2012-03-23	0.037000
160	2015-03-24	0.080000
161	2018-12-17	0.169000
162	2015-12-15	0.082000
163	1982-11-09	0.115000
164	1983-05-13	0.070000
165	1985-02-08	0.070000
166	1991-02-19	0.030000
167	2005-09-23	0.050000
168	2016-09-23	0.050000
169	2020-03-24	0.069000
170	2024-09-23	0.098000
171	1986-11-10	0.070000
172	1987-05-14	0.070000
173	1999-06-23	0.073000
174	2002-06-21	0.050000
175	2010-04-01	0.050000
176	2003-09-23	0.032000
177	2007-12-14	0.123000
178	2013-09-23	0.085000
179	1980-02-06	0.065000
180	1985-08-12	0.070000
181	1988-11-16	0.200000
182	1995-12-18	0.140000
183	2002-12-20	0.040000
184	2014-12-16	0.825000
185	2017-09-22	0.080000
186	2021-03-24	0.044000
187	1984-05-15	0.070000
188	1984-11-12	0.100000
189	1992-12-21	0.110000
190	2008-12-16	0.033000

3.7 KiB Raw Blame History

3.7 KiB

Raw Blame History