As other Hubbers have stated, the algorithm is a secret and no one truly knows how it works. One thing you will find with many (not all) high scoring Hubbers is that are active in the community by leaving insightful comments on other's Hubs and participating in the forums as well as answering questions. HubberScore and HubScores do change constantly due to the algorithm. If you would like to read more about the scores, follow this link from the HubPages Learning Center: https://hubpageshelp.com/features/Learning-Center-...
Hope this helps!
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