Podscribe calculates spend differently based on if ads in a campaign are episodic or dynamic.
Episodic Campaigns:
We apply all spend on the day the episode launches. If multiple episodes are matched to a campaign because ads were found in each of them, we apply the spend to the earliest published episode matched to the campaign. If you’d prefer to apply spend prorated based on delivery, you can disable the Apply Episodic Spend on Publish Date option in the attribution settings on the Overview tab.
When this option is disabled, spend is applied across the first 30 days after the first episode matching to a campaign is published. The spend is allocated based on the share of impressions delivered each day. For example, if 50% of impressions come in on the first day the episode is published, then 50% of the spend will be applied on that day.
In the Overview tab, the spend for a particular date range would be the sum of the spend of the campaigns that have ads that came out within the date range.
If the first ad is found on YouTube, it is excluded by default from spend to prevent distortions to ROAS and CPA. But you can include it from the Overview tab:
Dynamic Campaigns:
For impression buys, we divide the spend pro-rated by day based on delivery. Eg if 10% of expected impressions come in day one, we apply 10% of spend on day one.
If only 90% of expected impressions are served by the campaign end date, we simply use the fraction of delivered (not expected) impressions each day. If > 100% of impressions are delivered, we cap the applied spend at the campaign's total cost.
In a perfect world, episodic buys would likely have spend pro-rated by delivery too. However, they also receive impressions indefinitely (as long as the ad stays in the episode), so a cap at 30-60 days probably makes the most sense.
For impression buys without expected impressions, spend is allocated evenly over the campaign’s duration.
For example, take a campaign with a total budget of $7,300 that runs for 365 days. After 1 day, the spend displayed on the Overview page would be $20. After 30 days, total spend would be $600.
This approach ensures that spend is distributed proportionally over the course of the campaign when expected impression data cannot be used.
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