f/gvi-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

4.6 KiB

Raw Blame History

1	Date	Dividends
2	2017-04-03	0.171000
3	2023-12-01	0.263000
4	2008-02-01	0.374000
5	2009-11-02	0.268000
6	2013-03-01	0.166000
7	2014-06-02	0.164000
8	2025-06-02	0.315000
9	2025-08-01	0.313000
10	2017-11-01	0.175000
11	2020-04-01	0.199000
12	2021-11-01	0.133000
13	2023-09-01	0.239000
14	2022-06-01	0.145000
15	2026-08-03	0.325000
16	2008-09-02	0.367000
17	2009-08-03	0.292000
18	2014-03-03	0.159000
19	2020-05-01	0.190000
20	2012-12-26	0.181000
21	2015-06-01	0.160000
22	2016-06-01	0.167000
23	2021-06-01	0.141000
24	2024-07-01	0.282000
25	2007-07-02	0.392000
26	2013-12-02	0.154000
27	2016-11-01	0.162000
28	2018-10-01	0.198000
29	2012-06-01	0.209000
30	2017-12-01	0.176000
31	2023-02-01	0.228000
32	2025-07-01	0.308000
33	2015-11-02	0.162000
34	2025-03-03	0.291000
35	2007-08-01	0.414000
36	2009-12-01	0.262000
37	2012-03-01	0.213000
38	2024-11-01	0.306000
39	2018-02-01	0.177000
40	2010-06-01	0.264000
41	2013-07-01	0.166000
42	2019-09-03	0.216000
43	2023-11-01	0.262000
44	2023-12-14	0.283000
45	2014-07-01	0.157000
46	2015-08-03	0.161000
47	2019-02-01	0.216000
48	2022-10-03	0.170000
49	2025-09-02	0.318000
50	2011-07-01	0.245000
51	2020-11-02	0.162000
52	2021-09-01	0.134000
53	2022-12-15	0.200000
54	2018-11-01	0.211000
55	2020-08-03	0.177000
56	2021-07-01	0.140000
57	2019-04-01	0.219000
58	2011-08-01	0.246000
59	2013-02-01	0.170000
60	2023-06-01	0.238000
61	2009-06-01	0.292000
62	2019-03-01	0.210000
63	2014-10-01	0.156000
64	2015-05-01	0.156000
65	2017-05-01	0.170000
66	2020-09-01	0.172000
67	2007-11-01	0.395000
68	2010-09-01	0.251000
69	2011-02-01	0.257000
70	2014-05-01	0.166000
71	2015-07-01	0.158000
72	2021-12-01	0.127000
73	2007-09-04	0.418000
74	2008-08-01	0.387000
75	2011-12-01	0.232000
76	2011-12-27	0.207000
77	2010-12-28	0.245000
78	2017-12-21	0.206000
79	2019-08-01	0.217000
80	2020-10-01	0.168000
81	2013-08-01	0.160000
82	2018-04-02	0.186000
83	2024-02-01	0.313000
84	2018-07-02	0.203000
85	2015-12-01	0.163000
86	2019-12-02	0.211000
87	2026-05-01	0.325000
88	2013-06-03	0.168000
89	2018-12-03	0.208000
90	2022-09-01	0.163000
91	2011-11-01	0.238000
92	2012-04-02	0.215000
93	2018-06-01	0.191000
94	2018-08-01	0.195000
95	2022-12-01	0.189000
96	2024-08-01	0.298000
97	2008-06-02	0.365000
98	2013-10-01	0.151000
99	2017-09-01	0.174000
100	2017-10-02	0.173000
101	2017-08-01	0.178000
102	2023-10-02	0.238000
103	2009-03-02	0.325000
104	2010-07-01	0.257000
105	2012-07-02	0.203000
106	2017-06-01	0.171000
107	2009-05-01	0.299000
108	2011-03-01	0.258000
109	2019-11-01	0.214000
110	2010-04-01	0.271000
111	2014-12-24	0.148000
112	2026-03-02	0.312000
113	2008-12-01	0.376000
114	2015-04-01	0.156000
115	2021-02-01	0.154000
116	2023-03-01	0.216000
117	2016-04-01	0.169000
118	2020-06-01	0.190000
119	2007-04-02	0.393000
120	2020-03-02	0.203000
121	2008-04-01	0.337000
122	2022-07-01	0.152000
123	2022-11-01	0.179000
124	2011-05-02	0.255000
125	2021-04-01	0.145000
126	2025-10-01	0.305000
127	2007-06-01	0.408000
128	2015-02-02	0.160000
129	2016-12-01	0.161000
130	2018-03-01	0.179000
131	2021-08-02	0.138000
132	2009-02-02	0.327000
133	2010-10-01	0.248000
134	2017-02-01	0.168000
135	2018-12-18	0.213000
136	2008-05-01	0.327000
137	2010-02-01	0.275000
138	2023-04-03	0.223000
139	2007-12-03	0.359000
140	2010-08-02	0.256000
141	2016-12-22	0.150000
142	2025-05-01	0.308000
143	2024-12-18	0.303000
144	2026-07-01	0.321000
145	2009-10-01	0.266000
146	2010-03-01	0.262000
147	2012-10-01	0.186000
148	2020-07-01	0.181000
149	2007-03-01	0.382000
150	2007-05-01	0.384000
151	2013-12-26	0.158000
152	2019-10-01	0.209000
153	2014-11-03	0.157000
154	2017-07-03	0.173000
155	2023-08-01	0.242000
156	2014-02-03	0.161000
157	2018-05-01	0.183000
158	2018-09-04	0.198000
159	2024-10-01	0.290000
160	2023-07-03	0.234000
161	2019-12-19	0.220000
162	2025-04-01	0.308000
163	2024-06-03	0.288000
164	2007-10-01	0.387000
165	2010-05-03	0.268000
166	2013-11-01	0.159000
167	2015-09-01	0.162000
168	2011-10-03	0.239000
169	2020-12-01	0.157000
170	2023-05-01	0.215000
171	2007-12-07	0.340000
172	2016-10-03	0.162000
173	2021-05-03	0.140000
174	2008-10-01	0.370000
175	2016-09-01	0.162000
176	2022-02-01	0.133000
177	2025-02-03	0.304000
178	2021-12-16	0.131000
179	2025-12-19	0.324000
180	2026-04-01	0.330000
181	2007-02-01	0.276000
182	2008-12-29	0.368000
183	2009-07-01	0.281000
184	2017-03-01	0.164000
185	2013-05-01	0.164000
186	2015-03-02	0.151000
187	2016-08-01	0.162000
188	2025-11-03	0.322000
189	2022-04-01	0.140000
190	2022-08-01	0.162000
191	2010-12-01	0.244000
192	2014-08-01	0.157000
193	2021-03-01	0.144000
194	2022-03-01	0.131000
195	2009-12-29	0.259000
196	2011-04-01	0.258000
197	2012-02-01	0.219000
198	2011-06-01	0.248000
199	2019-07-01	0.210000
200	2020-12-17	0.161000
201	2015-12-24	0.166000
202	2016-07-01	0.165000
203	2022-05-02	0.141000
204	2008-11-03	0.380000
205	2009-09-01	0.290000
206	2013-09-03	0.154000
207	2015-10-01	0.165000
208	2026-06-01	0.328000
209	2010-11-01	0.249000
210	2014-04-01	0.162000
211	2016-02-01	0.164000
212	2024-05-01	0.284000
213	2012-05-01	0.206000
214	2020-02-03	0.209000
215	2025-12-01	0.315000
216	2009-04-01	0.332000
217	2011-09-01	0.242000
218	2012-09-04	0.195000
219	2019-05-01	0.215000
220	2024-03-01	0.277000
221	2012-12-03	0.175000
222	2013-04-01	0.171000
223	2016-05-02	0.152000
224	2019-06-03	0.222000
225	2007-12-27	0.340000
226	2008-07-01	0.338000
227	2014-09-02	0.156000
228	2024-12-02	0.306000
229	2008-03-03	0.305000
230	2012-08-01	0.201000
231	2024-04-01	0.285000
232	2026-02-02	0.325000
233	2014-12-01	0.157000
234	2016-03-01	0.163000
235	2021-10-01	0.133000
236	2024-09-03	0.308000

4.6 KiB Raw Blame History

4.6 KiB

Raw Blame History