Unfortunately, my ad is not running regularly. On 9 of 10 searches on the exact keyword phrase, my ad doesn't show up. About 10% of the time, it shows up in the top position.
CTR rate is good (showing as STRONG), as evidenced by the top position. Relevance is good - everyone advertising on this keyword is selling different brands of the same type of widget.
I wouldn't think its my max CPC, since when I do show up, its always in top position.
I'm at a total loss. Anyone have any clues here?