No. of Recommendations: 0
And because I don't know when to stop, here is all the changes to the Feb'2015 value:
(The 1st column is the number of months that had the same value.)
2 rrsfs-2016-01-20: 2015-02-01 183651
1 rrsfs-2016-02-19: 2015-02-01 183472
2 rrsfs-2016-03-15: 2015-02-01 184318
2 rrsfs-2016-04-13: 2015-02-01 183697
17 rrsfs-2016-05-13: 2015-02-01 184176
5 rrsfs-2017-02-15: 2015-02-01 184119
9 rrsfs-2017-05-12: 2015-02-01 184362
6 rrsfs-2018-02-14: 2015-02-01 184531
8 rrsfs-2018-06-12: 2015-02-01 184592
7 rrsfs-2019-02-14: 2015-02-01 184621
8 rrsfs-2019-07-11: 2015-02-01 185061
3 rrsfs-2020-02-14: 2015-02-01 184978
12 rrsfs-2020-05-15: 2015-02-01 184982
14 rrsfs-2021-04-26: 2015-02-01 185197
14 rrsfs-2022-05-11: 2015-02-01 185154
7 rrsfs-2023-04-24: 2015-02-01 185007
Ugh! Unless you have all the historical data this will play merry hell on backtests. I had no idea that FRED updated old values so much. They last updated the Feb 2015 value 7 (seven!) years after the initial report. Probably worse than that -- I only started collecting the FRED data in 2016.
