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Where can one graph portfolio performance over time?
I use Yahoo Finance to plot my portfolio value over time. Yahoo Finance uses SigFig to link accounts (I've linked to Fidelity), which then allows you to see you exact portfolio and see a plot of its historical value. I'm not sure what other websites SigFig will allow you to sync with, but it is worth a try. Here is what the plot I have looks like, although this is slightly out of date, but still gives you an idea of what to expect.