''[11:50:48] Trader_Megan sells some items to an envoy from the ruler.''
As of the 1.1 update, a traderTraders ratio's ratio does not reset, whereas previously it also reset every 28 days, give or take . The period can extend by a few couple hours for probably due to server downtimedowntimes.
The main source of the kings funds is [[settlement]] upkeep. The king will not grant funds to traders holding 50 silver or more.