Hi,

I've recently decided to invest a small amount in shares and am slowly learning the ropes. I'm with ASB Securities and use the Portfolio page to see how my stocks are doing relative to the price I purchased them. This works fine at the moment because I have only made one purchase of each stock, however I was wondering how this works over time if I make more purchases of the same stocks at different prices - i.e. how do I work out the net gain/loss on a stock if I have bought them at different prices.

Would I need external software to do this?

Chris