Sales correlation from pre-impact, post-impact, and whole period from the following:

Amazon vs. Amazon

Amazon vs. Ebay

Amazon vs. Netflix

Correlation Analysis Yearly Sales
	2004-2006	2007-2009	2004-2009
	2016-2018	2019-2021	2016-2021
	Pre-Impact	Post-Impact	Whole Period
Amazon period 2007 vs Amazon period 2019
0.944755056	0.999782095	0.991988644	0.99569614
Amazon period 2007 vs Ebay	2004-2006	2007-2009	2004-2009
0.915609311	0.997559616	0.913932519	0.929088874
Amazon period 2019 vs Netflix	2016-2018	2019-2021	2016-2021
0.992837903	0.999705506	0.998318318	0.994029097