Reply To: I activated a campaign from the 1 year ago, At then the ACOS was 12 %.

    Satoru
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    It could be that it may need optimizations, also the stats for your keywords targeted or ASIN targeted in that specific campaign may have changed and has more competition, or maybe that volume dropped or the keywords or ASIN has became bit irrelevant due to these reasons it is performing worse than before.

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