SignalShield: Verify Market Narratives
Credibility analysis for investing content
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Charl Van Zyl

SignalShield: Verify Market Narratives - Credibility analysis for investing content

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SignalShield is a Chrome extension built for investors who want to verify financial content before acting on it. Analyze investing articles, Reddit posts, and market commentary for credibility risks, promotional framing, unsupported claims, and verification gaps. Generate structured research reports with key concerns, verification checklists, and supporting context to improve investor research quality.

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Charl Van Zyl
Maker
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Built SignalShield after realizing how difficult it has become to separate: actual research from highly persuasive investing narratives online. The goal was never to build another stock screener or “AI stock picker”. Instead, I wanted a workflow that helps investors evaluate: • credibility • sourcing quality • promotional framing • narrative imbalance • unsupported claims across articles, Reddit posts, earnings discussions, and market commentary. A lot of time went into: • reducing noise in the UI • avoiding hype-style AI branding • building a methodology-first approach • making reports feel structured and research-oriented instead of sensational Would genuinely appreciate feedback from investors, researchers, analysts, and anyone who spends a lot of time reading financial content online.