We might misunderstand your question. Dividend will be take effect in the day where div system is launched. The system won't be able to track house fund since day 1 the platform launched, and the movement of house fund wasn't designed to fit into the future div system(movement unrelated to game transaction is prohibited during operation window).

Morever, when the div system start its first payday, it treats all token the same no matter when or where do you earned it.