What is Target CPC?
Target CPC (Cost per Click)is the maximum amount you should pay per click on a keyword or product target if you want to hit a specific ACoS goal. Bidding above target CPC means your average sale won't cover the ad cost; bidding below it usually means you'll lose impression share to competitors. The ideal bid sits just under your target CPC.
Target CPC Formula
If you know your conversion rate and average order value:Target CPC = Conversion Rate × AOV × Target ACoSIf you already know your revenue per click (Sales ÷ Clicks):Target CPC = Revenue per Click × Target ACoSBoth formulas reach the same answer — pick whichever you have data for.
How often should I adjust my bids?
For mature campaigns with steady traffic, weekly bid reviews are usually enough. For new campaigns or seasonal listings, check daily for the first 2 weeks until conversion rate stabilizes. Avoid changing bids more than once every 48 hours on the same target — Amazon's auction needs time to react, and you'll misread the data otherwise.
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