Every time your ad is eligible to show, AdWords calculates its Ad rank using your bid amount , Components Ad quality score, and:

Every time your ad is eligible to show, AdWords calculates its Ad rank using your bid amount , Components Ad quality score, and:

  • The expected impact of extensions and other ad formats
  • The daily budget you’ve set
  • The search ranking of your website
  • Your historical conversion rate

Answer : The daily budget you’ve set