Abstract: Systems, methods and articles of manufacture for a computerized advertising analysis tool for identifying and/or predicting the effect of future external events on the viewership and effectiveness of an advertising campaign. The system access and analyzes data regarding past events and viewership data to determine the past effect on viewership. The system then accesses analyzes future events to predict and estimate the effect of the future events on the advertising campaign based on the analysis of past events and viewership data. An advertiser may then use this information to evaluate the advertising campaign, allowing the advertiser to modify or negotiate the proper pricing for the advertising campaign.