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Even JPMorgan Is Lashing Out At Ridiculous Seasonal Adjustments In Key US Data

Even JPMorgan Is Lashing Out At Ridiculous Seasonal Adjustments In Key US Data
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The reason is that seasonal adjustments have made virtually every data set a load of garbage, with little relevance to the real world. 

Consider the latest nonfarm payroll number, where the seasonally adjusted print came at a shocking 517K, but only thanks to a near record seasonal adjustment factor which transformed a 2.5 million decline into a blowout gain which had a profound impact on market - and Fed psychology.

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Or what about the latest retail sales, which also shocked to the upside, but only after generous seasonal adjustments - which are based on just some excel modeling (and a few political taps on the shoulder) converted the traditionally weak January into a blowout month.

It's not just plain vanilla economic data: it now appears that arbitrary - and massive - seasonal adjustments are also hitting the weekly DOE oil inventory report: the past two weeks, when we saw near record inventory builds, were nothing more than the figment of some excel spreadsheet's imagination because as the chart below shows, that's when the DOE Crude Oil supply "adjustment" factor was one of the highest on record.

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