Huh, so portfoliovisualizer but with slightly more convenient shortcuts built in. Looks neat, but way less powerful than just using portfolio visualiser. I’ve

Huh, so portfoliovisualizer but with slightly more convenient shortcuts built in. Looks neat, but way less powerful than just using portfolio visualiser. I’ve always wondered where the data is sourced; so the exchanges publish this data for all to use, or does everybody have to scrape them together? Obviously if you pay them you’ll get real-time data, but all these free tools do leave me wondering.