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Currency Conversion and Price Granularities #3326

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bretg merged 1 commit into from
Oct 7, 2021
Merged

Currency Conversion and Price Granularities #3326

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6 changes: 6 additions & 0 deletions prebid-server/features/pbs-currency.md
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Expand Up @@ -104,3 +104,9 @@ Note that the `usepbsrates` flag allows you to define which rates to use when PB

A dedicated endpoint on the Admin port will allow you to see what's happening within the currency converter.
See [currency rates endpoint](/prebid-server/endpoints/pbs-endpoint-admin.html) for more details.

## Price Granularity

When converting to a currency where the typical nominal CPMs are much different than USD such as JPY or INR, use a custom price granularity that reflects the typical range of CPMs in that currency.

The predefined price granularities such as `medium` or `dense` will not be correctly scaled and thus almost every bid will end in the top bucket. Unlike Prebid.js, Prebid Server does not support `granularityMultiplier` to scale granularities so a custom price granularity needs to be used.