How Amazon Top of Search Bid Adjustments Work

3 November 2026 8 min read Mehmet Keskin

Written by:

Ecommerce

View profile

Ask AI about this page

14 views 8 min read

Amazon placement bid adjustments act as a modifier to your existing keyword bids, allowing you to pay more for specific high-value ad slots. These adjustments function by increasing your base bid for either Top of Search or Product Pages placements when your advertisement is eligible to appear in those areas. By applying these modifiers, you gain control over where your ads surface during the customer shopping journey, effectively bidding higher for positions that typically correlate with higher visibility.

What are placement bid adjustments in Amazon Advertising?

Placement bid adjustments are a setting within Amazon Sponsored Products campaigns that let you fine-tune your strategy based on where your ad appears. Sellers can apply a percentage increase to their base bid, ranging from zero up to 900 percent. When you set an adjustment for Top of Search, Amazon will take your base bid and apply that percentage increase if the system determines your ad is competitive enough to secure the top slot. This provides a mechanism to prioritize premium real estate without manually changing every keyword bid individually.

How Amazon Top of Search Bid Adjustments Work — overview

The system makes these adjustments automatically based on the percentages you designate. If you set a 20 percent increase for Top of Search, and your base bid is 1.00 dollar, the system can bid up to 1.20 dollars to win that specific placement. This is particularly useful for competitive product categories where appearing at the top of the search result page is essential for reaching customers who are ready to purchase immediately. Because the adjustment only triggers when eligible, it keeps your baseline costs controlled.

Where can your ads appear with these adjustments?

Amazon currently offers two primary locations where you can apply these modifiers. The first is Top of Search, which refers to the very first row of search results on the platform. This is often the most sought-after position as it captures the immediate attention of shoppers. The second location is Product Pages, which refers to ads displayed on the detail pages of other products. These placements are useful for cross-selling or competitive targeting where you want your item to appear directly under a competitor’s listing.

How do you set up placement modifiers in the console?

Setting up these adjustments involves navigating to the campaign settings tab in the Amazon Advertising console. You will see a section specifically labeled ‘Placements’ under the campaign configuration. Here, you can enter the percentage value you wish to apply for both Top of Search and Product Pages. It is common to start with a conservative increase of 10 to 20 percent to see how your conversion rates respond before scaling to higher percentages.

How Amazon Top of Search Bid Adjustments Work — in practice
  • Select the campaign you want to modify from your dashboard.
  • Click on the ‘Placements’ tab located in the left-hand navigation menu.
  • Locate the fields for Top of Search and Product Pages.
  • Enter your desired percentage increase, keeping the 900 percent maximum limit in mind.
  • Save your changes and monitor the campaign performance for at least seven days.

Comparison of placement strategies

Placement TypePrimary GoalBid Adjustment Range
Top of SearchHigh Visibility / Sales0% to 900%
Product PagesCompetitive Targeting0% to 900%
Rest of SearchLower Cost per ClickNot Applicable

How Alien Road applies placement bid adjustments

At Alien Road, our approach to managing these adjustments is grounded in performance data rather than guesswork. When we take on a new account, we first analyze the existing placement report to see which positions currently drive the most sales for the client. We do not apply the maximum 900 percent increase immediately, as this can lead to rapid budget exhaustion without guaranteed returns. Instead, we use a tiered approach to testing these modifiers.

For example, if we manage a brand selling kitchen appliances, we might isolate a high-converting keyword and apply a 50 percent modifier specifically to Top of Search. We monitor the ACOS (Advertising Cost of Sales) for that specific placement over a two-week period. If the ACOS remains within the client’s target range, we may incrementally increase the modifier. If the ACOS rises too high, we scale back the adjustment to maintain efficiency. This ensures our clients spend their budget where it is most likely to yield a return.

What factors influence the effectiveness of these bids?

The success of your bid adjustments depends heavily on your organic ranking and the relevance of your product to the search query. Even with a high modifier, Amazon will not place your ad in a top spot if your listing is not relevant to the keyword. The quality of your images, the persuasiveness of your copy, and your overall review count all play a part in whether the system selects your ad for these premium placements.

Another factor is the competition in your category. If multiple brands are aggressively bidding for the same keyword with high placement modifiers, the cost of the winning bid will rise accordingly. You must ensure that your base bid is healthy enough to be part of the auction in the first place. If your base bid is too low, the placement modifier might not be sufficient to win the auction for the top position.

  • Review your daily budget to ensure you can support increased spend.
  • Check your product detail page for high-quality images and clear copy.
  • Monitor your conversion rates, as higher placement costs require better conversion to remain profitable.
  • Exclude keywords that are not performing well before applying site-wide modifiers.
  • Use the placement report to identify which campaigns are already winning top spots organically.
Why should you monitor your placement reports?

Placement reports provide the granular information needed to make informed decisions about your adjustments. By reviewing these reports, you can see exactly how much you are spending on Top of Search versus Product Pages. This helps you identify if you are overspending on placements that do not result in sales. Without this reporting, you are essentially blind to which specific placement is driving your performance.

In a typical account, you might find that Product Pages perform better for brand awareness while Top of Search drives immediate conversion. Recognizing these patterns allows you to adjust your modifiers strategically. If you see that your ACOS on Product Pages is consistently low, you might increase your modifier there to capture more traffic at a lower cost per acquisition. Regular reporting is the only way to validate that your spending is aligned with your goals.

Where to start this week

Start by identifying your three highest-converting campaigns in your Amazon Advertising dashboard. Export the placement reports for these campaigns over the last 30 days. Identify if any of these campaigns are currently under-performing in Top of Search despite having good conversion rates on other pages. Apply a small 15 percent modifier to those campaigns for one week. Monitor the results daily to see if your sales volume increases without causing your total ACOS to exceed your target limits.

Frequently Asked Questions

Does a 900 percent adjustment mean I will always win the top spot?

No, a 900 percent adjustment does not guarantee the top spot. It simply increases your bid when you are eligible for the placement. Other factors such as ad relevance, landing page quality, and the bidding behavior of your competitors still dictate which ad wins the auction. You are competing against others who may also be using similar bidding strategies.

Will using these adjustments drain my daily budget quickly?

Using high placement bid adjustments can certainly lead to faster budget consumption if they result in more clicks. Because you are paying more for premium visibility, your cost per click will likely be higher. It is essential to monitor your budget closely after applying these adjustments to ensure you do not run out of funds prematurely during the day.

Can I use placement adjustments for manual and automatic campaigns?

Yes, placement bid adjustments are available for both manual and automatic Sponsored Products campaigns. The process for setting them up is identical in the advertising console. Whether you are using automated targeting or specific keyword bidding, these modifiers help you influence your ad position across Amazon’s search and product detail pages.

How often should I change my placement modifiers?

You should only change your placement modifiers after allowing enough time for data to accumulate. A typical period is seven to fourteen days. Changing them too frequently makes it impossible to determine which adjustment worked. Allow for a stable testing period so you can observe the impact on your conversion rate and total advertising spend before making further updates.

Keep reading: Amazon Ads · Amazon

Share