Why can't I see conversions in the best period box?

We are not able to provide CPA info for the Best Period box unfortunately: Facebook do not provide hourly info for conversions, plus they may happen up to 28 days after a click occurred (depends by your settings).

We are not able to provide reliable data on this (even if we would love to!) so the box will only report distribution of Clicks, Cost per Clicks and Impressions.

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