Jumping CPM cost - why?

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Vsevolod Mayorov

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Oct 10, 2014, 2:39:49 AM10/10/14
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The CPM in "Admob Network report" has very different values from day to day. Can anybody explain why - both clicks and CTR remain almost constant, see the picture.

http://prntscr.com/4uqdj3

Is there any way to increase the CPM rate (for example, in AdSense I can setup the minimal CPC, but here I can't find any setup of this value)?

William Ferguson

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Oct 11, 2014, 8:01:13 AM10/11/14
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Clicks and CTR remain constant because they are statistical samples across lots of users.

CPM/RPM varies because it is subject to the vagaries of the ad space auction and advertising budgets.

William
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