Follows the changes in #1896 and #2073. After those PRs the base date is passed explicitly, and the YoY indexes should now be asked for fixings only at the start of the month. This makes indexIsInterpolated obsolete. The old code still using it was deprecated in those two PRs and will be removed before indexIsInterpolated is.
coverage: 72.784% (-0.02%) from 72.803%
when pulling 16495ab73718aff583e5eb456179617f3e465adc on yoy-base-date
into ee7f9aa109b00f78994e985b8504598c5d582c5b on master.
Follows the changes in #1896 and #2073. After those PRs the base date is passed explicitly, and the YoY indexes should now be asked for fixings only at the start of the month. This makes
indexIsInterpolated
obsolete. The old code still using it was deprecated in those two PRs and will be removed beforeindexIsInterpolated
is.