With my margin loan - BT - I have noticed that sometimes they update managed funds prices quite infrequently, eg 7-8 days. Sometimes they update more frequently, even daily. On closer observation, it seems that when the market is rising, they update more slowly. When the market is declining, they update more frequently. On reflection, the frequent updates in a declining market are a sensible way to manage their risk on margined funds. Has anyone else noticed this - and do you have any comments? It disadvantages the investor in a rising market, in terms of available funds. But protects the lender's position.