Introduction: The Problem Nobody Budgets For Most companies carefully plan: Infrastructure Hiring Product roadmap But almost nobody plans for this: The cost of bad financial data. Not because it's irrelevant. But because it's invisible… until it hits revenue. And when it does, it's already too late. The Silent Killer: Data That Looks Correct Here's the dangerous part: Your system works. API responds ✔ Dashboard loads ✔ Charts look fine ✔ But underneath: Prices are not adjusted for splits Dividends are missing Historical gaps exist Data is inconsistent across endpoints And that leads to one thing: Wrong decisions, made confidently. The Real Cost (This Is Where It Hurts) This is not a "technical issue". It's a business liability. What actually happens: Investment models produce false signals KPIs become meaningless Revenue opportunities are missed Users lose trust in your product Engineering time gets burned fixing data issues Bad data doesn't crash your system. It corrupts your decisions.…