Alex Niehaus

WhyDown - Know why your stock is up or down with AI Agents

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When you invest in individual companies, it can be pretty tricky to manage your portfolio and keep on top of the news. WhyDown is an AI agent that cuts through the noise to give you concise updates on stock price movements.

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Alex Niehaus
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Hiii Product Hunters! We’re excited to introduce WhyDown: Know why your stock is up or down with AI Agents. Why did we build it? If you’re managing a portfolio or investing in individual stocks, you know how challenging it is to keep up with the news. Stock price movements often feel like a mystery, tangled in earnings reports, sector trends, geopolitics, and more. Staying informed shouldn’t feel like a full-time job. The Solution WhyDown cuts through the noise to deliver concise, actionable updates on why a stock is moving significantly higher or lower on any given day. Here’s how we do it: 📰 Read Everything: Our AI reviews the latest news and company updates. ✅ Filter for Quality: Only reliable, trustworthy sources make the cut. 📊 Add Context: We factor in macroeconomic data and market trends. 💡 Summarize Insightfully: A clear, three-line explanation of what’s driving the movement—whether it’s an earnings beat, external macro trends, or something else entirely. We provide these updates twice daily — 15 minutes after market open and close — so you can make better-informed, long-term decisions. Unlike many tools, we don’t just aggregate news. We strive to explain the why behind stock movements. Often, what moves a stock isn’t company-specific—it’s external. WhyDown ensures you get that context, effortlessly. -- We’d love your feedback and ideas as we continue improving WhyDown. Thank you for your support! Crafted by Aidan and Alex A hackathon project finished on nights and weekends. https://whydown.vercel.app