From 1174621dbc456ba79a44d4d2de4055fcab547f33 Mon Sep 17 00:00:00 2001 From: Mike Chowla Date: Thu, 7 Oct 2021 07:36:26 -0700 Subject: [PATCH] Added info that custom price granularity is needed when using currrencies where the nominal CPM range is greatly differnt than USD (#3326) --- prebid-server/features/pbs-currency.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/prebid-server/features/pbs-currency.md b/prebid-server/features/pbs-currency.md index 67cc607f0b..347abf63e6 100644 --- a/prebid-server/features/pbs-currency.md +++ b/prebid-server/features/pbs-currency.md @@ -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. \ No newline at end of file