Recently Google has added a new metric into the AdWords interface, at the keyword level, called the "Estimated Top Page Bid."
The top of page bid complements the recently introduced Top vs Side Report segment which allows a user to see how their ads perform above and to the side of Google search results.
A few months back, Google chief economist Hal Varian had explained the big difference between when the ad appears in # 1 position above the search results and in the # 1 position on the side of the search results. “On an average, ads that appear above the search results tend to get substantially more clicks than ads appear on the right-hand side,” he had said.
Google stresses that the estimated bid shown does not guarantee a top position for your ad. All the usual factors still apply (Quality Score, budget, account settings, competition at the moment of an auction, etc.).
What this new Metric Means:
In simple word, this new metric will give you an estimate of what your bid will need to be for you to be consistently showing in the banner positions.
The banner positions are reserved for advertisers who meet a minimum quality requirement.
There is also a minimum bid requirement. This is almost certainly based on your quality score and is more accurately described as a minimum ranking requirement, If you fail to meet this minimum, you will appear on the side of the page.
This new metric will show you what your bid will have to be (for your current quality scores) for you to show in the banner positions, not on the right hand side. It can be accessed by going to the keywords tab and clicking on the "columns" button, then checking the box for "Est. top page bid."

Why it’s important:
The banner counts. In fact, the banner is almost all that counts. If you aren't in the banner, you're not going to get much traffic for the allocated search term. It doesn't matter what your impression share might be, you're simply not going to get the most possible targeted clicks.
The information in the Top vs Side Report segment helps advertisers optimize their search campaigns by analyzing the relationship between the ad location, their clicks and conversions. Advertisers can use this information along with the new top of page bid estimates to plan their bidding strategy with greater insight.
How to view this new Metric:
- Go to the keywords tab.
- Click the Columns button.
- Select the Customize columns from the drop-down menu.
- Check the Est. top of page bid box and click Save.
How do you interpret the results you get from the Top of Page Bid metric?
If you get a very high first page bid estimate, for example higher than $100, it will be denoted by <$100 indicating that your keyword’s Quality Score is poor. It currently does not show bids greater than $100 top of the page bid estimates.
This new metric may not be 100 percent accurate, but they'll give you a great idea what bid it'll take to get into the banner.
