Open Pipe Line Reports

Marketing team is using open pipe line reports based on a monthlier, quarterly basis to quantify the success of marketing. What happens overtime? Deals that got created in july, now it's september. More deals from july have been closhed lost then were inseptember. So i'd be very cautious in doing anyting related to open pipe line. If you have further questions, thand feel free, it shoud be a d d manlinkdon would love to hear what you're doing and how i could help with this.