Ask HN: What investing tools do you use?

Excel/Libreoffice to track portfolio allocation. Create a simple spreadsheet with columns Category, Security, Units, Price, Purchase Price, Value, Percentage Allocation, Dividend and fill it out. Learn about income statement, balance sheet and cash flow statement.

I use https://shareseer.com/ to find company filings with this information and read at leisure. That gives me an idea of the business.

I just use Vanguard and their target retirement date fund for my age. I don’t have to manage anything or make any decisions.

Day-to-day I use Google Finance for quotes, but I might switch to Yahoo Finance because I’m not a fan of Google’s recent changes.

What exactly don't you like about Google's recent changes?

your broker's API - the best tool since the sliced bread, allows me to develop my fully automated stock trading robots = full control on my financial future in perpetuity...