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How do I track the previous 30 days of my portfolio balance in Numbers?

The Numbers portfolio tracking template has a tab that tracks a previous stock performance over the last 30 days. Instead of monitoring a specific stock, I want to chart the total balance of my portfolio. How do I do this?

MacBook Air, macOS 14.5

Posted on Nov 13, 2024 3:20 PM

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2 replies

Nov 14, 2024 12:49 PM in response to bartlet

This is a lot harder to do.


The history sheet works because Numbers has a built-in function to lookup a given stock ticker on a specific day.

This does not extend to automatically summing multiple stock prices.


It could be extended (e.g. the formula looks up the price of a set of stocks and multiplies by the number of shares held, but it would be a nightmare to track if you're actively trading (adding new stocks and adjusting positions in existing stocks).


If your holdings are fairly static, you could create a rolling 30-day table for each one, then it's a simple SUM() across the tables, but it would still suffer from tracking the number of shares held on a daily basis.

How do I track the previous 30 days of my portfolio balance in Numbers?

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