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Speaking Fed with Confidence: How LLMs Decode Monetary Policy Without Guesswork

The Market-Moving Puzzle of Fedspeak When the U.S. Federal Reserve speaks, markets move. But the Fed’s public language—often called Fedspeak—is deliberately nuanced, shaping expectations without making explicit commitments. Misinterpreting it can cost billions, whether in trading desks’ misaligned bets or policymakers’ mistimed responses. Even top-performing LLMs like GPT-4 can classify central bank stances (hawkish, dovish, neutral), but without explaining their reasoning or flagging when they might be wrong. In high-stakes finance, that’s a liability. ...

August 12, 2025 · 3 min · Zelina
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Taming the Trading Floor: How 'Roaree' Optimizers Could Redefine AI Stock Forecasting

When financial AI meets the optimizer arms race, the stakes are measured in both milliseconds and market moves. The recent From Rattle to Roar study tests this premise with MambaStock — a selective state-space model — trained to forecast S&P 500 weekly returns. The twist: pitting eight widely-used optimizers against a new family called Roaree, designed to capture Lion’s speed while taming its instability. Why Optimizers Matter More in Finance Than You Think In financial forecasting, milliseconds can mean the difference between execution and regret. This makes optimizer choice not just a theoretical concern but a practical lever for profitability. The study reinforces that adaptive-rate, momentum-based methods (Adam, RMSProp, Nesterov) deliver the lowest test errors for noisy, small-magnitude financial returns. Vanilla SGD struggles in this regime; AdamW’s decoupled weight decay over-regularizes, slowing convergence in already weak-signal environments. ...

August 10, 2025 · 3 min · Zelina
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Trained on Tickers, Tuned for Trust: The New Frontier of FinTech AI

From Spreadsheets to FinGPT: Why Finance Needs Its Own Foundation Models General-purpose LLMs like GPT-4 and Gemini have shown surprising skill in handling financial tasks — summarizing earnings reports, analyzing sentiment, even giving portfolio advice. But beneath this performance lies a troubling mismatch: these models aren’t trained for the language, structure, or regulation of finance. In high-stakes domains where every decimal and disclosure matters, hallucination isn’t just a bug — it’s a liability. ...

July 25, 2025 · 4 min · Zelina