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EPC and CVR up. ROI and CPA Getting Hammered. Help? (9)

11-09-2014 12:09 PM #1 fishinseo ()
EPC and CVR up. ROI and CPA Getting Hammered. Help?

Im working on a campaign. I was at the following stats

EPC: .0031
CVR%: .68
ROI: 54%
CPA: $.19

I started optimizing the campaign getting rid of under performing placements and the like. These are my current stats for Today and yesterday.

EPC: .0044
CVR%: 1.64%
ROI: 12%
CPA: $.24

I cant figure out why optimizing for CVR and CTR is helping my EPC, but killing my ROI and CPA. Mainly its the CPA. Why would that rise five cents when I am cutting high CPA placements and 0 conversions places? Any thoughts?

This is my 1st profitable campaign so I have never been in this situation.

11-09-2014 12:26 PM #2 karim0028 (Member)

Are you on Voluum? Are you optimizing for epc or epv? Dont confuse the two...

epv should be higher than your cpc

11-09-2014 12:31 PM #3 cmdeal (Veteran Member)

You really should read caurmen's post on conversion math that he created awhile ago. The fact that you optimise for CVR does not mean that your CPA will go down.

11-09-2014 12:50 PM #4 bbrock32 (Administrator)

The only explanation I can give to this is that you are paying higher CPCs.

Otherwise if the CPC is the same and EPCs go up there is no way ROI goes down.

11-09-2014 04:06 PM #5 Mr Green (Administrator)

For reference sake: Caurmen's Affiliate Maths Thread.

11-10-2014 01:46 AM #6 zeno (Administrator)

When you are killing off placements, how are the remainder's fairing?

Either you are slowly paying more for those, they are converting less (e.g. day-to-day fluctuation), or you are bringing in new placements that are not converting as well.

E.g. Day 1: 90% of traffic to top 10 placements. Killed 5 that had high CPAs.

Day 2: 50% of traffic to top 10 placements. The 5 that are doing well only account for 35% of overall traffic.

Comparing day 1 and 2, 55% of the traffic may have completely changed to different placements and that could flip things in any direction.

11-10-2014 08:59 AM #7 cmdeal (Veteran Member)

Quote Originally Posted by Mr Green View Post
For reference sake: Caurmen's Affiliate Maths Thread.
Actually it is not this one, there is another thread that caurmen made earlier this year which detailed all the interrelationships between the various conversion metrics.

Problem with guys like caurmen and zeno is that whenever I search for one of their posts on the forum, I get several gazillion results and can never find the one I am looking for. But it is definitely there somewhere!

11-10-2014 09:56 AM #8 qureyoon (AMC Alumnus)

Quote Originally Posted by cmdeal View Post
Actually it is not this one, there is another thread that caurmen made earlier this year which detailed all the interrelationships between the various conversion metrics.
This the one? http://stmforum.com/forum/showthread...ill-Make-Money

11-10-2014 10:03 AM #9 cmdeal (Veteran Member)

Quote Originally Posted by qureyoon View Post
This the one? http://stmforum.com/forum/showthread...ill-Make-Money
Yes, that's the one!

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